Online Links:
Value | Definition |
---|---|
1 | Contact, location certain |
2 | Contact, location approximate |
4 | Normal fault, location certain |
5 | Normal fault, location approximate |
7 | Shoreline or riverbank |
8 | Internal contact |
10 | Thrust fault, location certain |
11 | Thrust fault, location approximate |
30 | Fault, sense of displacement unknown or undefined, location certain |
31 | Fault, sense of displacement unknown or undefined, location approximate |
32 | Fault, sense of displacement unknown or undefined, location inferred or queried |
52 | Normal fault, concealed |
53 | Thrust fault, concealed |
57 | Right lateral fault, concealed |
58 | Left lateral fault, concealed |
87 | Right lateral fault, location certain |
88 | Right lateral fault, location approximate |
89 | Right lateral fault, location inferred or queried |
90 | Left lateral fault, location certain |
91 | Left lateral fault, location approximate |
92 | Left lateral fault, location inferred or queried |
100 | Fault, sense of displacement unknown, concealed |
109 | Detachment fault, location certain |
113 | Strike-slip fault, motion unknown, location certain |
114 | Strike-slip fault, motion unknown, location approximate |
115 | Strike-slip fault, motion unknown, location inferred |
116 | Strike-slip fault, motion unknown, location concealed |
124 | State boundary |
125 | International boundary |
129 | Playa shoreline |
Value | Definition |
---|---|
NV001 | from original coverage |
NV801 | flipped arc polarity to conform to right-hand rule |
NV802 | changed ARC-CODE to 4 to conform to printed map |
US001 | state boundary |
Formal codeset | |
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Codeset Name: | NVunits |
Codeset Source: | Accompanying attribute table in OFR 2005-1305. View by opening .csv file in Excel |
Formal codeset | |
---|---|
Codeset Name: | NVunits |
Codeset Source: | Accompanying attribute table in OFR 2005-1305. View by opening .csv file in Excel |
Formal codeset | |
---|---|
Codeset Name: | NVunits |
Codeset Source: | Accompanying attribute table in OFR 2005-1305. View by opening .csv file in Excel |
Value | Definition |
---|---|
NV001 | from original source coverage |
NV901 | resketched according to Whitebread & John, 1992, USGS MF-1877-A; changed label to Ta3 |
NV902 | completed a dangling arc to create an additional polygon |
NV903 | changed unit label to reflect age information developed in 1989 for Nevada Mineral Resource Assessment (NBMG OF96-2 |
NV904 | changed unit labels to correspond to geologic age information developed for this study, using personal knowledge, literature, and National Radiometric Age Database |
Formal codeset | |
---|---|
Codeset Name: | NVage |
Codeset Source: | Accompanying attribute table in OFR 2005-1305. View by opening .csv file in Excel |
Formal codeset | |
---|---|
Codeset Name: | NVunits |
Codeset Source: | Accompanying attribute table in OFR 2005-1305. View by opening .csv file in Excel |
Formal codeset | |
---|---|
Codeset Name: | NVunits |
Codeset Source: | Accompanying attribute table in OFR 2005-1305. View by opening .csv file in Excel |
U.S. Geological Survey
Provide digital maps and databases that, because of their common structure and format, allow creation of regional maps that depict age and lithology of map units.
Online Links:
Are there legal restrictions on access or use of the data?Access_Constraints:
No warranty, expressed or implied, is made regarding the accuracy or utility of this data for general or scientific purposes, nor shall the act of distribution constitute any such warranty. The U.S. Geological Survey shall not be held liable for improper or incorrect use of this data.Use_Constraints:This database is not meant to be used at scales appreciably larger or smaller than the original scale. Any printed material utilizing these databases shall clearly indicate their source. If modifications to the data are made, this should be clearly indicated and described in print. Users specifically agree not to misrepresent these data, nor to imply that any changes they have made were approved by the U.S. Geological Survey. This database has been approved for release and publication by the Director of the U.S. Geological Survey. Although the database has been subjected to review and is substantially complete, the U.S. Geological Survey reserves the right to revise the data pursuant to further analysis and review. The database is released on the condition that neither the U.S. Geological Survey or the United States Government may be held liable for any damages resulting from its authorized or unauthorized use.
This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards, nor 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. Geological Survey. Although these data have been used by the U.S. Geological Survey, and imported into appropriate software, no warranty, express or implied, is made by the U.S. Geological Survey as to how successfully or accurately the data can be imported into specific application software running on specific hardware platforms. The fact of distribution shall not constitute any such warranty, and no responsibility is assumed by the U.S. Geological Survey in connection therewith. This data is not meant to be used or displayed at scales substantially larger than 1:500,000.
Data format: | geologic units and structural features in format ArcInfo Export (version 8.3) Size: 21.093 |
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Network links: |
http://pubs.usgs.gov/of/2005/1305/ |