Asbestos mines, prospects, and occurrences in the US

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Frequently anticipated questions:


What does this data set describe?

Title: Asbestos mines, prospects, and occurrences in the US
Abstract:
Location and mineralogical characteristics of former mines, prospects, and occurrences of asbestos in the continental US. No asbestos producing mines are currently active. Data here are drawn from several previously published reports.
  1. How might this data set be cited?
    Van Gosen, Bradley S., 2011, Asbestos mines, prospects, and occurrences in the US: Open-File Report, U.S. Geological Survey, Reston, Virginia.

    Online Links:

  2. What geographic area does the data set cover?
    West_Bounding_Coordinate: -123.7124
    East_Bounding_Coordinate: -67.996
    North_Bounding_Coordinate: 48.989
    South_Bounding_Coordinate: 30.4779
  3. What does it look like?
    https://mrdata.usgs.gov/asbestos/asbestos-us-large.png (PNG)
    Distribution of asbestos locations in the continental US., (384 x 256 pixels)
  4. Does the data set describe conditions during a particular time period?
    Calendar_Date: 01-Sep-2001
    Currentness_Reference:
    Completion of web interfaces providing these data to the public; data come from previously published reports
  5. What is the general form of this data set?
  6. How does the data set represent geographic features?
    1. How are geographic features stored in the data set?
      This is a Point data set. It contains the following vector data types (SDTS terminology):
      • Entity point (913)
    2. What coordinate system is used to represent geographic features?
      Horizontal positions are specified in geographic coordinates, that is, latitude and longitude. Latitude and longitude values are specified in decimal degrees. The horizontal datum used is North American Datum of 1927.
      The ellipsoid used is Clarke 1866.
      The semi-major axis of the ellipsoid used is 6378206.4.
      The flattening of the ellipsoid used is 1/294.98.
  7. How does the data set describe geographic features?
    main
    General site characteristics
    rec_id
    Site number.

    Record identifier for a site description, applies only within this database. Integer values. Int of width 4.
    Range of values
    Minimum:1
    Maximum:1109
    Resolution:1
    state
    State.

    US state in which the site occurs. Textual values of no more than 2 characters.
    county
    County.

    County in which the site occurs. Textual values of no more than 32 characters.
    site_name
    Historic site name as reported.

    Name of the site or mine. Textual values of no more than 128 characters.
    devel
    Development.

    Extent of development, may also include feature type. Textual values of no more than 48 characters.
    ValueDefinition
    (no value)Information not available for this record. 55 records have no value for devel.
    latitude
    Latitude.

    Geographic latitude in decimal degrees, NAD27. Real numbers stored in double precision.
    Range of values
    Minimum:30.4779
    Maximum:48.989
    longitude
    Longitude.

    Geographic longitude in decimal degrees, NAD27. Real numbers stored in double precision.
    Range of values
    Minimum:-123.7124
    Maximum:-67.996
    oremin
    Asbestiform mineral(s) reported.

    Notes on asbestiform minerals found at the site. Textual values of no more than 254 characters.
    ValueDefinition
    (no value)Information not available for this record. 55 records have no value for oremin.
    assocmin
    Associated minerals reported.

    Notes on non-asbestiform minerals found at the site. Textual values of no more than 200 characters.
    ValueDefinition
    (no value)Information not available for this record. 58 records have no value for assocmin.
    hostrock
    Host rock(s) reported.

    Types of rock in the deposit or unit hosting asbestiform minerals. Textual values of no more than 200 characters.
    ValueDefinition
    (no value)Information not available for this record. 55 records have no value for hostrock.
    source
    Publication.

    USGS identifier of the publication from which this particular description was drawn. Textual values of no more than 12 characters.
    ValueDefinition
    (no value)Information not available for this record. 109 records have no value for source.
    minerals
    Minerals reported at the site
    rec_id
    Site number.

    Record identifier for a site description, applies only within this database. Integer values. Int of width 4.
    Range of values
    Minimum:1
    Maximum:1109
    Resolution:1
    role
    Role of mineral.

    Role of mineral (asbestos or associated). Textual values of no more than 16 characters.
    name
    Mineral name.

    Mineral name. Textual values of no more than 64 characters.
    reflink
    Links references to site descriptions
    rec_id
    Site number.

    Record identifier for a site description, applies only within this database. Integer values. Int of width 4.
    Range of values
    Minimum:1
    Maximum:1109
    Resolution:1
    citation
    Short citation.

    Short in-text citation, including page number. Textual values of no more than 100 characters.
    ref_id
    Reference number.

    Unique identifier for a bibliographic reference within this database. Integer values. Int of width 4.
    ValueDefinition
    (no value)Information not available for this record. 7 records have no value for ref_id.
    Range of values
    Minimum:1
    Maximum:615
    Resolution:1
    ref
    Bibliographic references for the site descriptions
    ref_id
    Reference number.

    Unique identifier for a bibliographic reference within this database. Integer values. Int of width 4.
    ValueDefinition
    (no value)Information not available for this record. 7 records have no value for ref_id.
    Range of values
    Minimum:1
    Maximum:615
    Resolution:1
    short_ref
    Short citation.

    Short in-text citation, not including page number. Textual values of no more than 64 characters.
    reference
    Bibliographic reference.

    Full bibliographic citation as found in USGS report bibliographies. Textual values of no more than 254 characters.
    onlink
    Online linkage.

    URL for the report, if online. Textual values of no more than 128 characters.
    ValueDefinition
    (no value)Information not available for this record. 422 records have no value for onlink.
    source
    Publication.

    USGS identifier of the publication from which this particular reference was drawn. Textual values of no more than 12 characters.
    ValueDefinition
    (no value)Information not available for this record. 109 records have no value for source.

Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)
    • Van Gosen, Bradley S.
  2. Who also contributed to the data set?
  3. To whom should users address questions about the data?
    Peter N Schweitzer
    USGS ER GD
    Geologist
    12201 Sunrise Valley Drive
    Reston, VA
    USA

    703-648-6533 (voice)
    703-648-6252 (FAX)
    pschweitzer@usgs.gov

Why was the data set created?

Provide general characteristics of historical mines and other occurrences to support regional mineral resource assessment and analysis of potential environmental effects.

How was the data set created?

  1. From what previous works were the data drawn?
    ofr20051189 (source 1 of 6)
    Van Gosen, Bradley S., 2005, Reported historic asbestos mines, historic asbestos prospects, and natural asbestos occurrences in the eastern United States: Open-File Report 2005-1189, U.S. Geological Survey.

    Online Links:

    Source_Contribution: Asbestos and fibrous amphibole occurrences in the eastern US
    ofr20061211 (source 2 of 6)
    Van Gosen, Bradley S., 2006, Reported historic asbestos prospects and natural asbestos occurrences in the central United States: Open-File Report 2006-1211, U.S. Geological Survey.

    Online Links:

    Source_Contribution:
    Asbestos and fibrous amphibole occurrences in the central states of the US
    ofr20071182 (source 3 of 6)
    Van Gosen, Bradley S., 2007, Reported Historic Asbestos Mines, Historic Asbestos Prospects, and Natural Asbestos Occurrences in the Rocky Mountain States of the United States (Colorado, Idaho, Montana, New Mexico, and Wyoming): Open-File Report 2007-1182, U.S. Geological Survey.

    Online Links:

    Source_Contribution:
    Asbestos and fibrous amphibole occurrences in Colorado, Idaho, Montana, New Mexico, and Wyoming
    (source 4 of 6)
    Van Gosen, Bradley S., 2008, Reported Historic Asbestos Mines, Historic Asbestos Prospects, and Natural Asbestos Occurrences in the Southwestern United States (Arizona, Nevada, and Utah): Open-File Report 2008-1095, U.S. Geological Survey.

    Online Links:

    Source_Contribution:
    Asbestos and fibrous amphibole occurrences in Arizona, Nevada, and Utah
    ofr20101041 (source 5 of 6)
    Van Gosen, Bradley S., 2010, Reported Historic Asbestos Mines, Historic Asbestos Prospects, and Other Natural Occurrences of Asbestos in Oregon and Washington: Open-File Report 2010-1041, U.S. Geological Survey.

    Online Links:

    Source_Contribution:
    Asbestos and fibrous amphibole occurrences in Oregon and Washington
    ofr20111188 (source 6 of 6)
    Van Gosen, Bradley S., and Clinkenbeard, John P., 2011, Reported historic asbestos mines, historic asbestos prospects, and other natural occurrences of asbestos in California: Open-File Report 2011-1188, U.S. Geological Survey.

    Online Links:

    Source_Contribution:
    Asbestos, fibrous amphiboles and talc deposits of Death Valley in California
  2. How were the data generated, processed, and modified?
    Date: 01-Sep-2011 (process 1 of 1)
    Data were drawn from the previously published reports, combined, references linked to the records, and the information stored in a fully relational database with specialized web interfaces providing access by maps, geographic and topical browse, web services, and a variety of download options.
  3. What similar or related data should the user be aware of?

How reliable are the data; what problems remain in the data set?

  1. How well have the observations been checked?
  2. How accurate are the geographic locations?
  3. How accurate are the heights or depths?
  4. Where are the gaps in the data? What is missing?
  5. How consistent are the relationships among the observations, including topology?

How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?
Access_Constraints: none
Use_Constraints: none
  1. Who distributes the data set? (Distributor 1 of 1)
    Peter N Schweitzer
    USGS ER GD
    Geologist
    12201 Sunrise Valley Drive
    Reston, VA
    USA

    703-648-6533 (voice)
    703-648-6252 (FAX)
    pschweitzer@usgs.gov
  2. What's the catalog number I need to order this data set? Consolidated asbestos occurrence database
  3. What legal disclaimers am I supposed to read?
    This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards (or with the North American Stratigraphic Code). Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
  4. How can I download or order the data?

Who wrote the metadata?

Dates:
Last modified: 07-Dec-2016
Metadata author:
Peter N Schweitzer
USGS Eastern Mineral and Environmental Resources Science Center
Geologist
12201 Sunrise Valley Drive
Reston, VA
USA

703-648-6533 (voice)
703-648-6252 (FAX)
pschweitzer@usgs.gov
Metadata standard:
Content Standard for Digital Geospatial Metadata (FGDC-STD-001-1998)

This page is <https://mrdata.usgs.gov/metadata/asbestos.faq.html>
Generated by mp version 2.9.47 on Mon Mar 26 17:20:49 2018