Metadata: Identification_Information: Citation: Citation_Information: Originator: Sloan, Jan Originator: Henry, Christopher D. Originator: Hopkins, Melanie Originator: Ludington, Stephen D. Originator: Zartman, Robert E. Originator: Bush, Charles A. Originator: Abston, Carl Title: National Geochronological Database Publication_Date: 2003 Geospatial_Data_Presentation_Form: relational database Series_Information: Series_Name: Open-File Report Issue_Identification: 03-236 Publication_Information: Publication_Place: Menlo Park, California Publisher: U.S. Geological Survey Online_Linkage: http://mrdata.usgs.gov/geochron/ Description: Abstract: Radiometric ages of geological materials by K-Ar, Rb-Sr, Sm-Nd, fission track, and U-Th-Pb dating methods. A revision of DDS-14 correcting locations and providing the data in more convenient formats. Purpose: This database is a minor revision of DDS-14, with some corrections. Time_Period_of_Content: Time_Period_Information: Multiple_Dates/Times: Single_Date/Time: Calendar_Date: 1995 Single_Date/Time: Calendar_Date: 2003 Currentness_Reference: Publication dates of the initial database (DDS-14) and the revision (OFR 2003-236). Status: Progress: Complete Maintenance_and_Update_Frequency: As needed Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -179.119444 East_Bounding_Coordinate: -67.021389 North_Bounding_Coordinate: 71 South_Bounding_Coordinate: 26.5625 Access_Constraints: none Use_Constraints: none Keywords: Place: Place_Keyword_Thesaurus: Augmented FIPS 10-4 and FIPS 6-4 Place_Keyword: fUS01 = Alabama Place_Keyword: fUS02 = Alaska Place_Keyword: fUS04 = Arizona Place_Keyword: fUS05 = Arkansas Place_Keyword: fUS06 = California Place_Keyword: fUS08 = Colorado Place_Keyword: fUS09 = Connecticut Place_Keyword: fUS10 = Delaware Place_Keyword: fUS12 = Florida Place_Keyword: fUS13 = Georgia Place_Keyword: fUS16 = Idaho Place_Keyword: fUS17 = Illinois Place_Keyword: fUS18 = Indiana Place_Keyword: fUS19 = Iowa Place_Keyword: fUS20 = Kansas Place_Keyword: fUS21 = Kentucky Place_Keyword: fUS22 = Louisiana Place_Keyword: fUS23 = Maine Place_Keyword: fUS24 = Maryland Place_Keyword: fUS25 = Massachusetts Place_Keyword: fUS26 = Michigan Place_Keyword: fUS27 = Minnesota Place_Keyword: fUS28 = Mississippi Place_Keyword: fUS29 = Missouri Place_Keyword: fUS30 = Montana Place_Keyword: fUS31 = Nebraska Place_Keyword: fUS32 = Nevada Place_Keyword: fUS33 = New Hampshire Place_Keyword: fUS34 = New Jersey Place_Keyword: fUS35 = New Mexico Place_Keyword: fUS36 = New York Place_Keyword: fUS37 = North Carolina Place_Keyword: fUS38 = North Dakota Place_Keyword: fUS39 = Ohio Place_Keyword: fUS40 = Oklahoma Place_Keyword: fUS41 = Oregon Place_Keyword: fUS42 = Pennsylvania Place_Keyword: fUS44 = Rhode Island Place_Keyword: fUS45 = South Carolina Place_Keyword: fUS46 = South Dakota Place_Keyword: fUS47 = Tennessee Place_Keyword: fUS48 = Texas Place_Keyword: fUS49 = Utah Place_Keyword: fUS50 = Vermont Place_Keyword: fUS51 = Virginia Place_Keyword: fUS53 = Washington Place_Keyword: fUS54 = West Virginia Place_Keyword: fUS55 = Wisconsin Place_Keyword: fUS56 = Wyoming Theme: Theme_Keyword_Thesaurus: General glossary for mineral resources spatial data Theme_Keyword: comma-delimited text Theme_Keyword: KML Theme_Keyword: shapefile Theme_Keyword: tab-delimited text Theme: Theme_Keyword_Thesaurus: USGS Thesaurus Theme_Keyword: geochronology Theme_Keyword: geologic history Theme_Keyword: potassium-argon analysis Theme_Keyword: rubidium-strontium analysis Theme_Keyword: uranium-lead analysis Theme_Keyword: uranium-thorium analysis Theme: Theme_Keyword_Thesaurus: NGDA Portfolio Themes Theme_Keyword: Geology Browse_Graphic: Browse_Graphic_File_Name: http://mrdata.usgs.gov/geochron/ofr-2003-236.png Browse_Graphic_File_Description: Sample locations in the conterminous United States, (768 x 512 pixels) Browse_Graphic_File_Type: PNG Data_Quality_Information: Lineage: Source_Information: Source_Citation: Citation_Information: Originator: Zartman, Robert E. Originator: Bush, Charles A. Originator: Abston, C. C. Publication_Date: 1995 Title: National geochronological and natural radioelement data bases Series_Information: Series_Name: Data Series Issue_Identification: 14 Publication_Information: Publisher: U.S. Geological Survey Publication_Place: Denver, Colorado Type_of_Source_Media: digital files on CD-ROM Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1995 Source_Currentness_Reference: publication date Source_Citation_Abbreviation: DDS-14 Source_Contribution: Original database used by compilers of OFR-2003-236; corrections to some of the data are described at http://geopubs.wr.usgs.gov/open-file/of03-236/ Process_Step: Process_Description: Copied information from OFR 2003-236, added documentation, reformatted, and in some cases eliminated duplication, eliminated explicit uninformative values (for example "Unk" in many fields). Created specialized interfaces and report formats as well as web services and download packages. Process_Date: 20111221 Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Peter N Schweitzer Contact_Organization: USGS ER GD Contact_Position: Geologist Contact_Address: Address_Type: mailing address Address: 12201 Sunrise Valley Drive City: Reston State_or_Province: VA Postal_Code: 20192-0002 Country: USA Contact_Voice_Telephone: 703-648-6533 Contact_Facsimile_Telephone: 703-648-6252 Contact_Electronic_Mail_Address: pschweitzer@usgs.gov Spatial_Data_Organization_Information: Direct_Spatial_Reference_Method: Point Point_and_Vector_Object_Information: SDTS_Terms_Description: SDTS_Point_and_Vector_Object_Type: Entity point Point_and_Vector_Object_Count: 18576 Spatial_Reference_Information: Horizontal_Coordinate_System_Definition: Geographic: Geographic_Coordinate_Units: decimal degrees Geodetic_Model: Horizontal_Datum_Name: North American Datum of 1927 Ellipsoid_Name: Clarke 1866 Semi-major_Axis: 6378206.4 Denominator_of_Flattening_Ratio: 294.98 Entity_and_Attribute_Information: Detailed_Description: Entity_Type: Entity_Type_Label: main Entity_Type_Definition: Sample locations and characteristics Attribute: Attribute_Label: recno Attribute_Definition: Record ID. Sample identifier, links site description with analytical results. Integer values. Int of width 5. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1 Range_Domain_Maximum: 18669 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: longitude Attribute_Definition: Geographic longitude. Geographic longitude in decimal degrees, NAD27. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 28 records have no value for longitude. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: -179.119444 Range_Domain_Maximum: -67.021389 Attribute: Attribute_Label: latitude Attribute_Definition: Geographic latitude. Geographic latitide in decimal degrees, NAD27. Real numbers stored in double precision. 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Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 3 records have no value for rockname. Attribute: Attribute_Label: descrip Attribute_Definition: Description. Further description of the sampled material, often includes a geologic unit or structural element within the unit. Textual values of no more than 257 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 2385 records have no value for descrip. Attribute: Attribute_Label: labs Attribute_Definition: Laboratories. Organizations whose laboratories provided the analyses. Textual values of no more than 107 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 729 records have no value for labs. Attribute: Attribute_Label: compiled Attribute_Definition: Compiler name. Name of the person who compiled the data. Textual values of no more than 17 characters. Attribute: Attribute_Label: datecomp Attribute_Definition: Date compiled. Date record information was compiled, as year and month formatted as YYYY MM. Textual values of no more than 6 characters. Attribute: Attribute_Label: locprec Attribute_Definition: Precision of location. Comments on the precision of the location given. Textual values of no more than 65 characters. Attribute: Attribute_Label: loccomm Attribute_Definition: Location comment. General comments on the location given. Textual values of no more than 255 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 2773 records have no value for loccomm. Attribute: Attribute_Label: ref Attribute_Definition: Reference. Primary bibliographic reference in which the dates were published. Textual values of no more than 469 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 2 records have no value for ref. Attribute: Attribute_Label: ref2 Attribute_Definition: Reference addition. Additional text of the bibliographic reference. Textual values of no more than 237 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 17856 records have no value for ref2. Detailed_Description: Entity_Type: Entity_Type_Label: FT Entity_Type_Definition: Fission track dating results, observations, and parameters Attribute: Attribute_Label: recno Attribute_Definition: Record ID. Sample identifier, a value of main:recno. Integer values. Int of width 5. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1 Range_Domain_Maximum: 18669 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: ftrecno Attribute_Definition: Analysis ID. Sequence number, for this sample, of this analysis. Integer values. Int of width 5. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1 Range_Domain_Maximum: 5 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: ftage Attribute_Definition: Calculated age. Age estimate in millions of years. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 21 records have no value for ftage. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.02 Range_Domain_Maximum: 2346 Attribute: Attribute_Label: fterr Attribute_Definition: Age uncertainty. Uncertainty of the age estimate attributable to the analytical method, in millions of years. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 189 records have no value for fterr. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.04 Range_Domain_Maximum: 1000 Attribute: Attribute_Label: ftmin Attribute_Definition: Rock or mineral analyzed. Rock or mineral analyzed. Textual values of no more than 12 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 11 records have no value for ftmin. Attribute: Attribute_Label: ftlabno Attribute_Definition: Lab sample ID. Identifier for this analysis assigned by the laboratory. Textual values of no more than 27 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 9 records have no value for ftlabno. Attribute: Attribute_Label: ftdeccon Attribute_Definition: Decay constants. Radioactive decay constants used in calculations. Textual values of no more than 9 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 547 records have no value for ftdeccon. Attribute: Attribute_Label: trackdens Attribute_Definition: Track density. Track density (count per square cm). Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 372 records have no value for trackdens. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 1123 Attribute: Attribute_Label: fosstrack Attribute_Definition: Fossil tracks counted. Fossil track density (count per square cm). Integer values. Int of width 5. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 435 records have no value for fosstrack. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1 Range_Domain_Maximum: 4152 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: indudens Attribute_Definition: Induced track density. Induced track density (count per square cm). Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 372 records have no value for indudens. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.0072 Range_Domain_Maximum: 1479 Attribute: Attribute_Label: indutrack Attribute_Definition: Induced tracks. Induced tracks counted. Integer values. Int of width 5. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 437 records have no value for indutrack. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1 Range_Domain_Maximum: 10073 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: ratiotrack Attribute_Definition: Ratio of total to induced tracks. Ratio of spontaneous to induced tracks. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 1277 records have no value for ratiotrack. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.0083 Range_Domain_Maximum: 20.874 Attribute: Attribute_Label: neutflux Attribute_Definition: Neutron flux density. Thermal neutron flux used in irradiation (neutrons per square cm). Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 293 records have no value for neutflux. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.122 Range_Domain_Maximum: 8.8 Attribute: Attribute_Label: ft_u_ppm Attribute_Definition: Uranium concentration. Total uranium concentration in the sample, in parts per million by weight. Textual values of no more than 8 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 986 records have no value for ft_u_ppm. Attribute: Attribute_Label: addref Attribute_Definition: Bibliographic references. Additional bibliographic reference information for this analysis. Textual values of no more than 29 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 1391 records have no value for addref. Attribute: Attribute_Label: ftagecom Attribute_Definition: Age comments. Comments on the age estimate, typically provides context for the age. Textual values of no more than 134 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 404 records have no value for ftagecom. Attribute: Attribute_Label: ftsampcom Attribute_Definition: Sample comments. Comments on the sample analyzed. Textual values of no more than 75 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 963 records have no value for ftsampcom. Attribute: Attribute_Label: ftanalcom Attribute_Definition: Analytical comments. Comments on the analytic method used. Textual values of no more than 134 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 1140 records have no value for ftanalcom. Attribute: Attribute_Label: ftothcom Attribute_Definition: Other comments. Other comments pertinent to this analysis. Textual values of no more than 255 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 811 records have no value for ftothcom. Detailed_Description: Entity_Type: Entity_Type_Label: K_Ar Entity_Type_Definition: Potassium-Argon and Argon-Argon radiometric age results, observations, and parameters Attribute: Attribute_Label: recno Attribute_Definition: Record ID. Sample identifier, a value of main:recno. Integer values. Int of width 5. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1 Range_Domain_Maximum: 18669 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: karrecno Attribute_Definition: Analysis ID. Sequence number, for this sample, of this analysis. Integer values. Int of width 5. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1 Range_Domain_Maximum: 6 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: karage Attribute_Definition: Calculated age. Age estimate in millions of years. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 70 records have no value for karage. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: -0.09 Range_Domain_Maximum: 6882.45 Attribute: Attribute_Label: karerr Attribute_Definition: Age uncertainty. Uncertainty of the age estimate attributable to the analytical method, in millions of years. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 1752 records have no value for karerr. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 940 Attribute: Attribute_Label: karmin Attribute_Definition: Rock or mineral analyzed. Rock or mineral analyzed. Textual values of no more than 47 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 127 records have no value for karmin. Attribute: Attribute_Label: karanaltype Attribute_Definition: Type of analysis. Specific type of analytic method used. Textual values of no more than 46 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 83 records have no value for karanaltype. Attribute: Attribute_Label: karlabno Attribute_Definition: Lab sample ID. Identifier for this analysis assigned by the laboratory. Textual values of no more than 34 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 10 records have no value for karlabno. Attribute: Attribute_Label: kardeccon Attribute_Definition: Decay constants. Radioactive decay constants used in calculations. Textual values of no more than 36 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 5 records have no value for kardeccon. Attribute: Attribute_Label: k2opct Attribute_Definition: K2O concentration. Potash concentration as weight percent of the sample. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 2562 records have no value for k2opct. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 23233 Attribute: Attribute_Label: 40arrad Attribute_Definition: Radiogenic argon-40 concentration. Concentration of radiogenic 40Ar. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 2622 records have no value for 40arrad. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: -0.0063 Range_Domain_Maximum: 2453 Attribute: Attribute_Label: pctradar Attribute_Definition: Percent radiogenic argon. Percent of argon that is radiogenic. Integer values. Int of width 8. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 2194 records have no value for pctradar. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 86868787 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: sampsuit Attribute_Definition: Sample suite number. Group identifier of related samples. Integer values. Int of width 5. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 14168 records have no value for sampsuit. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 7 Range_Domain_Maximum: 641 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: addref Attribute_Definition: Bibliographic references. Additional bibliographic reference information for this analysis. Textual values of no more than 51 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 1391 records have no value for addref. Attribute: Attribute_Label: karcomm Attribute_Definition: Age comments. Comments on the age estimate, typically provides context for the age. Textual values of no more than 90 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 2806 records have no value for karcomm. Attribute: Attribute_Label: karsampcom Attribute_Definition: Sample comments. Comments on the sample analyzed. Textual values of no more than 162 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 11619 records have no value for karsampcom. Attribute: Attribute_Label: karanalcom Attribute_Definition: Analytical comments. Comments on the analytic method used. Textual values of no more than 255 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 7491 records have no value for karanalcom. Attribute: Attribute_Label: karothrcom Attribute_Definition: Other comments. Other comments pertinent to this analysis. Textual values of no more than 373 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 10041 records have no value for karothrcom. Detailed_Description: Entity_Type: Entity_Type_Label: Rb_Sr Entity_Type_Definition: Rubidium-Strontium radiometric dating results, observations, and parameters Attribute: Attribute_Label: recno Attribute_Definition: Record ID. Sample identifier, a value of main:recno. Integer values. Int of width 5. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1 Range_Domain_Maximum: 18669 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: rbsrrecno Attribute_Definition: Analysis ID. Sequence number, for this sample, of this analysis. Integer values. Int of width 5. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1 Range_Domain_Maximum: 24 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: rbsrage Attribute_Definition: Calculated age. Age estimate in millions of years. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 991 records have no value for rbsrage. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.71 Range_Domain_Maximum: 7394.61 Attribute: Attribute_Label: rbsrerr Attribute_Definition: Age uncertainty. Uncertainty of the age estimate attributable to the analytical method, in millions of years. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 2299 records have no value for rbsrerr. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.1 Range_Domain_Maximum: 560 Attribute: Attribute_Label: 87_86init Attribute_Definition: Initial 87Sr/86Sr. Initial ratio of 87Sr to 86Sr in the sampled material. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 1688 records have no value for 87_86init. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.1037 Range_Domain_Maximum: 124.2 Attribute: Attribute_Label: rbsrmin Attribute_Definition: Rock or mineral analyzed. Rock or mineral analyzed. Textual values of no more than 46 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 26 records have no value for rbsrmin. Attribute: Attribute_Label: rbsranltyp Attribute_Definition: Type of analysis. Specific type of analytic method used. Textual values of no more than 49 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 923 records have no value for rbsranltyp. Attribute: Attribute_Label: rbsrlabno Attribute_Definition: Analysis ID. Identifier for this analysis assigned by the laboratory. Textual values of no more than 23 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 5 records have no value for rbsrlabno. Attribute: Attribute_Label: rbsrdeccon Attribute_Definition: Decay constants. Radioactive decay constants used in calculations. Textual values of no more than 21 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 35 records have no value for rbsrdeccon. Attribute: Attribute_Label: rb_ppm Attribute_Definition: Rubidium concentration. Rubidium concentration in parts per million by weight. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 444 records have no value for rb_ppm. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 164165 Attribute: Attribute_Label: sr_ppm Attribute_Definition: Strontium concentration. Strontium concentration in parts per million by weight. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 1093 records have no value for sr_ppm. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.1 Range_Domain_Maximum: 21210 Attribute: Attribute_Label: 87srrad Attribute_Definition: Radiogenic 87Sr. Radiogenic 87Sr. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 6420 records have no value for 87srrad. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.01 Range_Domain_Maximum: 176 Attribute: Attribute_Label: 87rb_86sr Attribute_Definition: Ratio 87Rb/86Sr. Ratio of 87Rb to 86Sr counted by mass spectrometry. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 1265 records have no value for 87rb_86sr. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 62166 Attribute: Attribute_Label: 87sr_86sr Attribute_Definition: Ratio 87Sr/86Sr. Ratio of 87Sr to 86Sr counted by mass spectrometry. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 689 records have no value for 87sr_86sr. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.043 Range_Domain_Maximum: 70758 Attribute: Attribute_Label: norm Attribute_Definition: Normal?. T or N or empty; meaning of this field is not clear. Textual values of no more than 1 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 1058 records have no value for norm. Attribute: Attribute_Label: sampsuit Attribute_Definition: Sample suite number. Group identifier of related samples. Integer values. Int of width 5. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 14168 records have no value for sampsuit. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 7 Range_Domain_Maximum: 641 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: addref Attribute_Definition: Bibliographic references. Additional bibliographic reference information for this analysis. Textual values of no more than 51 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 1391 records have no value for addref. Attribute: Attribute_Label: rbsragecom Attribute_Definition: Age comments. Comments on the age estimate, typically provides context for the age. Textual values of no more than 87 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 2721 records have no value for rbsragecom. Attribute: Attribute_Label: rbsrsamcom Attribute_Definition: Sample comments. Comments on the sample analyzed. Textual values of no more than 104 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 6498 records have no value for rbsrsamcom. Attribute: Attribute_Label: rbsranlcom Attribute_Definition: Analytical comments. Comments on the analytic method used. Textual values of no more than 227 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 1543 records have no value for rbsranlcom. Attribute: Attribute_Label: rbsrothcom Attribute_Definition: Other comments. Other comments pertinent to this analysis. Textual values of no more than 211 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 4255 records have no value for rbsrothcom. Detailed_Description: Entity_Type: Entity_Type_Label: Sm_Nd Entity_Type_Definition: Samarium-Neodymium radiometric dating results, observations, and parameters Attribute: Attribute_Label: recno Attribute_Definition: Record ID. Sample identifier, a value of main:recno. Integer values. Int of width 5. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1 Range_Domain_Maximum: 18669 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: smndrecno Attribute_Definition: Analysis ID. Sequence number, for this sample, of this analysis. Integer values. Int of width 5. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1 Range_Domain_Maximum: 3 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: smndage Attribute_Definition: Calculated age. Age estimate in millions of years. Integer values. Int of width 5. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 1 records have no value for smndage. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 178 Range_Domain_Maximum: 575 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: smnderr Attribute_Definition: Age uncertainty. Uncertainty of the age estimate attributable to the analytical method, in millions of years. Integer values. Int of width 5. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 2 records have no value for smnderr. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 21 Range_Domain_Maximum: 75 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: smndmin Attribute_Definition: Rock or mineral analyzed. Rock or mineral analyzed. Textual values of no more than 21 characters. Attribute: Attribute_Label: smndlabno Attribute_Definition: Analysis ID. Identifier for this analysis assigned by the laboratory. Textual values of no more than 8 characters. Attribute: Attribute_Label: smnddeccon Attribute_Definition: Decay constants. Radioactive decay constants used in calculations. Real numbers stored in double precision. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.00000654 Range_Domain_Maximum: 0.00000654 Attribute: Attribute_Label: sm_ppm Attribute_Definition: Samarium concentration. Samarium concentration in parts per million by weight. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 27 records have no value for sm_ppm. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1.88 Range_Domain_Maximum: 14.81 Attribute: Attribute_Label: nd_ppm Attribute_Definition: Neodymium concentration. Neodymium concentration in parts per million by weight. Real numbers stored in double precision. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.15 Range_Domain_Maximum: 50.46 Attribute: Attribute_Label: 143smrad Attribute_Definition: Ratio 147Sm/144Nd. Ratio of counts of 147Sm to 144Nd in the sample, measured by mass spectrometry. Real numbers stored in double precision. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.1074 Range_Domain_Maximum: 0.3809 Attribute: Attribute_Label: 143ndrat Attribute_Definition: Ratio 143Nd/144Nd. Ratio of counts of 143Nd to 144Nd in the sample, measured by mass spectrometry. Real numbers stored in double precision. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.51079 Range_Domain_Maximum: 0.513212 Attribute: Attribute_Label: smndagecom Attribute_Definition: Age comments. Comments on the age estimate, typically provides context for the age. Textual values of no more than 40 characters. Attribute: Attribute_Label: smndothcom Attribute_Definition: Other comments. Other comments pertinent to this analysis. Textual values of no more than 80 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 32 records have no value for smndothcom. Detailed_Description: Entity_Type: Entity_Type_Label: U_Th_Pb Entity_Type_Definition: Radiometric age estimates, observations, and parameters using techniques involving isotopes of uranium, thorium, and lead. Attribute: Attribute_Label: recno Attribute_Definition: Record ID. Sample identifier, a value of main:recno. Integer values. Int of width 5. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1 Range_Domain_Maximum: 18669 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: upbrecno Attribute_Definition: Analysis ID. Sequence number, for this sample, of this analysis. Integer values. Int of width 5. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 1 records have no value for upbrecno. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1 Range_Domain_Maximum: 33 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: 206_238age Attribute_Definition: Age 206Pb/238U. Age estimate in millions of years using the 206Pb-238U method. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 575 records have no value for 206_238age. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.1 Range_Domain_Maximum: 16300 Attribute: Attribute_Label: err206_238 Attribute_Definition: Age uncertainty 206Pb/238U. Uncertainty of the age estimate by the 206Pb-238U method attributable to the analytical method, in millions of years. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 2194 records have no value for err206_238. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 1285 Attribute: Attribute_Label: 207_235age Attribute_Definition: Age 207Pb/235U. Age estimate in millions of years using the 207Pb-235U method. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 611 records have no value for 207_235age. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: -26.6 Range_Domain_Maximum: 4460 Attribute: Attribute_Label: err207_235 Attribute_Definition: Age uncertainty 207Pb/235U. Uncertainty of the age estimate by the 207Pb-235U method attributable to the analytical method, in millions of years. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 2186 records have no value for err207_235. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: -350 Range_Domain_Maximum: 2127 Attribute: Attribute_Label: 207_206age Attribute_Definition: Age 207Pb/206Pb. Age estimate in millions of years using the 207Pb-206Pb method. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 12 records have no value for 207_206age. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: -50000 Range_Domain_Maximum: 4792.4 Attribute: Attribute_Label: err207_206 Attribute_Definition: Age uncertainty 207Pb/206Pb. Uncertainty of the age estimate by the 207Pb-206Pb method attributable to the analytical method, in millions of years. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 2058 records have no value for err207_206. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1 Range_Domain_Maximum: 320 Attribute: Attribute_Label: 208_232age Attribute_Definition: Age 208Pb/232Th. Age estimate in millions of years using the 208Pb-232Th method. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 1994 records have no value for 208_232age. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 24.5 Range_Domain_Maximum: 13383 Attribute: Attribute_Label: err208_232 Attribute_Definition: Age uncertainty 208Pb/232Th. Uncertainty of the age estimate by the 208Pb-232Th method attributable to the analytical method, in millions of years. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 2421 records have no value for err208_232. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1.8 Range_Domain_Maximum: 210 Attribute: Attribute_Label: uintcpt Attribute_Definition: Upper intercept. Upper intercept of the Concordia diagram. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 1267 records have no value for uintcpt. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 14.9 Range_Domain_Maximum: 3900 Attribute: Attribute_Label: erruintcpt Attribute_Definition: Upper intercept uncertainty. Uncertainty in the upper intercept. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 1458 records have no value for erruintcpt. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1 Range_Domain_Maximum: 550 Attribute: Attribute_Label: lintcpt Attribute_Definition: Lower intercept. Lower intercept of the Concordia diagram. Textual values of no more than 8 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 2172 records have no value for lintcpt. Attribute: Attribute_Label: errlintcpt Attribute_Definition: Lower intercept uncertainty. Uncertainty in the lower intercept. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 2243 records have no value for errlintcpt. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.8 Range_Domain_Maximum: 900 Attribute: Attribute_Label: pbinitrat Attribute_Definition: Initial lead isotopic composition. Initial ratios of lead isotopes in common lead, in sequence: 206Pb/204Pb, 207Pb/204Pb, 208Pb/204Pb. Textual values of no more than 24 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 1253 records have no value for pbinitrat. Attribute: Attribute_Label: upbmin Attribute_Definition: Rock or mineral analyzed. Rock or mineral analyzed. Textual values of no more than 52 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 8 records have no value for upbmin. Attribute: Attribute_Label: upblabno Attribute_Definition: Analysis ID. Identifier for this analysis assigned by the laboratory. Textual values of no more than 26 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 7 records have no value for upblabno. Attribute: Attribute_Label: upbdeccon Attribute_Definition: Decay constants. Radioactive decay constants used in calculations. Textual values of no more than 35 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 5 records have no value for upbdeccon. Attribute: Attribute_Label: u_ppm Attribute_Definition: Uranium concentration. Uranium concentration in parts per million by weight. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 409 records have no value for u_ppm. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 791000 Attribute: Attribute_Label: th_ppm Attribute_Definition: Thorium concentration. Thorium concentration in parts per million by weight. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 1894 records have no value for th_ppm. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.1 Range_Domain_Maximum: 414000 Attribute: Attribute_Label: pb_ppm Attribute_Definition: Lead concentration. Lead concentration in parts per million by weight. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 431 records have no value for pb_ppm. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.01 Range_Domain_Maximum: 170100 Attribute: Attribute_Label: 204pb Attribute_Definition: Isotopic concentration 204Pb. Concentration of 204Pb isotope in the sample. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 812 records have no value for 204pb. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 83.62 Attribute: Attribute_Label: 206pb Attribute_Definition: Isotopic concentration 206Pb. Concentration of 206Pb isotope in the sample. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 786 records have no value for 206pb. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1.228 Range_Domain_Maximum: 95.51 Attribute: Attribute_Label: 207pb Attribute_Definition: Isotopic concentration 207Pb. Concentration of 207Pb isotope in the sample. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 787 records have no value for 207pb. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.1455 Range_Domain_Maximum: 46.02 Attribute: Attribute_Label: 208pb Attribute_Definition: Isotopic concentration 208Pb. Concentration of 208Pb isotope in the sample. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 787 records have no value for 208pb. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0.053 Range_Domain_Maximum: 1889 Attribute: Attribute_Label: sampsuit Attribute_Definition: Sample suite number. Group identifier of related samples. Integer values. Int of width 5. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 14168 records have no value for sampsuit. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 7 Range_Domain_Maximum: 641 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: addref Attribute_Definition: Bibliographic references. Additional bibliographic reference information for this analysis. Textual values of no more than 25 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 1391 records have no value for addref. Attribute: Attribute_Label: upbagecom Attribute_Definition: Age comments. Comments on the age estimate, typically provides context for the age. Textual values of no more than 84 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 1661 records have no value for upbagecom. Attribute: Attribute_Label: upbsampcom Attribute_Definition: Sample comments. Comments on the sample analyzed. Textual values of no more than 224 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 699 records have no value for upbsampcom. Attribute: Attribute_Label: upbanalcom Attribute_Definition: Analytical comments. Comments on the analytic method used. Textual values of no more than 199 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 1294 records have no value for upbanalcom. Attribute: Attribute_Label: upbothrcom Attribute_Definition: Other comments. Other comments pertinent to this analysis. Textual values of no more than 255 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 757 records have no value for upbothrcom. Detailed_Description: Entity_Type: Entity_Type_Label: datadxny Entity_Type_Definition: Data dictionary, explaining tables and fields Attribute: Attribute_Label: id Attribute_Definition: Row ID. Row identifier within datadxny table. Integer values. Int of width 0. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1 Range_Domain_Maximum: 149 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: tblorder Attribute_Definition: Table order. Order in which this table should appear in some presentations. Integer values. Int of width 0. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1 Range_Domain_Maximum: 7 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: tblname Attribute_Definition: Table name. Name of the table. Textual values of no more than 20 characters. Attribute: Attribute_Label: number Attribute_Definition: Field order. Order in which this field occurs in the RDBMS. Integer values. Int of width 0. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 7 records have no value for number. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1 Range_Domain_Maximum: 31 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: label Attribute_Definition: Field label. Label of the field in the RDBMS. Textual values of no more than 32 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 7 records have no value for label. Attribute: Attribute_Label: category Attribute_Definition: Category. General category of information provided by the contents of the field. Textual values of no more than 50 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 7 records have no value for category. Attribute: Attribute_Label: short_desc Attribute_Definition: Short description. Descriptive name of the field used in some presentations, not constrained by rules affecting the label. Textual values of no more than 40 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 7 records have no value for short_desc. Attribute: Attribute_Label: description Attribute_Definition: Description. Longer description of the purpose and contents of the field. Textual values of no more than 4096 characters. Attribute: Attribute_Label: link Attribute_Definition: Link. URL providing more information about the field. Textual values of no more than 96 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 149 records have no value for link. Attribute: Attribute_Label: origin Attribute_Definition: Origin. Abbreviation of an organization, data set, or other entity responsible for defining the field. Textual values of no more than 12 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 149 records have no value for origin. Attribute: Attribute_Label: sqltype Attribute_Definition: SQL data type. Data type of the field as used in the RDBMS. Textual values of no more than 8 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 7 records have no value for sqltype. Attribute: Attribute_Label: dbftype Attribute_Definition: DBF field type. Data type of the field when expressed in DBF. Textual values of no more than 1 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 7 records have no value for dbftype. Attribute: Attribute_Label: width Attribute_Definition: DBF field width. Field width when expressed in DBF. Integer values. Int of width 0. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 7 records have no value for width. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 4096 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: prec Attribute_Definition: DBF field precision. Precision of the field (places to right of decimal) when expressed in DBF, only for numeric fields. Integer values. Int of width 0. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 76 records have no value for prec. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 6 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: units Attribute_Definition: Units. Units of measure of the field values. Textual values of no more than 64 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 149 records have no value for units. Distribution_Information: Distributor: Contact_Information: Contact_Person_Primary: Contact_Person: Peter N Schweitzer Contact_Organization: USGS ER GD Contact_Position: Geologist Contact_Address: Address_Type: mailing address Address: 12201 Sunrise Valley Drive City: Reston State_or_Province: VA Postal_Code: 20192-0002 Country: USA Contact_Voice_Telephone: 703-648-6533 Contact_Facsimile_Telephone: 703-648-6252 Contact_Electronic_Mail_Address: pschweitzer@usgs.gov Resource_Description: USGS Open-File Report 2003-236 Distribution_Liability: This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey (USGS) editorial standards or with the North American Stratigraphic Code. Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Standard_Order_Process: Digital_Form: Digital_Transfer_Information: Format_Name: WMS Format_Version_Number: 1.1.1 Format_Information_Content: Sample characteristics and geologic age information Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: http://mrdata.usgs.gov/services/geochron?request=GetCapabilities&service=WMS&version=1.1.1 Digital_Form: Digital_Transfer_Information: Format_Name: WFS Format_Version_Number: 1.0.0 Format_Information_Content: Sample characteristics and geologic age analyses Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: http://mrdata.usgs.gov/services/geochron?request=GetCapabilities&service=WFS&version=1.0.0 Digital_Form: Digital_Transfer_Information: Format_Name: Shapefile Format_Version_Number: 1.0 Format_Information_Content: Sample characteristics and geologic age information Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: http://mrdata.usgs.gov/geochron/geochron.zip Digital_Form: Digital_Transfer_Information: Format_Name: Comma-delimited text Format_Information_Content: Sample characteristics and geologic age information Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: http://mrdata.usgs.gov/geochron/geochron-csv.zip Fees: none Metadata_Reference_Information: Metadata_Date: 20111221 Metadata_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Schweitzer, Peter, N Contact_Organization: Eastern Mineral Resources Team Contact_Address: Address_Type: mailing address Address: 12201 Sunrise Valley Drive Mail Stop 954 City: Reston State_or_Province: VA Postal_Code: 20192 Country: USA Contact_Voice_Telephone: 703-648-6533 Contact_Electronic_Mail_Address: pschweitzer@usgs.gov