Digital Geologic Map Database of the Nevada Test Site Area, Nevada

Online link https://geo-nsdi.er.usgs.gov/metadata/open-file/97-140/metadata.faq.html
Description Forty years of geologic investigations at the Nevada Test Site (NTS) have been digitized. These data include all geologic information that: (1) has been collected, and (2) can be represented on a map within the map borders at the map scale is included in
Originators Wahl, Ronald R.; Sawyer, David A.; Minor, Scott A.; Carr, Michael D.; Cole, James C.; Swadley, W. C; Laczniak, Randell J.; Warren, Richard G.; Green, Katryn S.; and Engle, Colin M.
Publication U.S. Geological Survey Open-File Report 97-140

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States or counties

GEOLPOLY.PAT

This is a table that contains an index SYMBOL to attribute data in other tables, as well as basic geometric data about the geologic unit outcrop polygons. For coverage geolpoly.

Label Definition
SYMBOL Index to polygon attribute data in other tables

GEOLPOLY.AAT

Line attribution table. For coverage geolpoly.

Label Definition

GEOLPOLY.AGE

Contains the geologic age information for the mapped geologic units

Label Definition
SYMBOL Index to polygon attribute data in other tables
AGEDES Description of the geologic age of a mapped unit
AGE Principle age of the mapped unit
AGEMIN Minimum geologic age for a mapped unit
AGEMAX Maximum geologic age for a mapped unit
AGRANK Code for ranking the principle geologic age "AGE"

GEOLPOLY.DES

Description of the mapped geologic units

Label Definition
SYMBOL Index to polygon attribute data in other tables
DESC1 Section 1 one of the description of a mapped unit
DESC2 Section 2 (if present) of the description of a mapped geologic unit
DESC3 Section 3 (if present) of the description of a mapped geolgoic unit
DESC4 Section 4 (if present) of the description of a mapped geologic unit

GEOLPOLY.LTH

Principle lithologies of the rocks found in the mapped area of the Nevada Test Site

Label Definition
ID Sequence number of the entry
LITHOLOGY Name of rock type
LCODE Numeric code for lithology Code to rank lithologies from general categories to specific rock types

GEOLPOLY.LUT

Lookup table to choose colors and unit label characters

Label Definition
SYMBOL Index to polygon attribute data in other tables
COLOR Index number into shadeset (ALC1.SHD) used to plot the map
MUNIT_NAME Characters used to label polygons on a plotted map

GEOLPOLY.MUN

Names of the mapped geologic units

Label Definition
SYMBOL Index to polygon attribute data in other tables
FORMCODE Character codes which stand for mapped geologic polygons
FORMNAME Full name of the geologic unit

GEOLPOLY.RPR

Rock descriptions for the mapped geologic units

Label Definition
SYMBOL Index to polygon attribute data in other tables
ROCKTYP Rock classification of mapped units
LCODE1 Index to "GEOLPOLY.LTH" rock codes "LCODE" for principle rock type
LCODE2 Index to "GEOLPOLY.LTH" rock codes "LCODE"for secondary rock classification
RPROP1 Section 1 of the description of rock properties for the mapped units
RPROP2 Section 2 (if present) of the description of rock properties
RPROP3 free text Section 3 (if present) of the description of rock properties
RPROP4 Section 4 (if present) of the description of rock properties

GEOLPOLY.TSC

Table contains the beginning of a standard geologic time scale

Label Definition
ID Sequence number of entry
TIMENAME Name of the geologic time unit
ARANK Ranking code to allow for generalization of geologic time based on their rank

GEOLFLTS.AAT

Line attribution table

Label Definition
FSYMBOL Index to fault attribute data in other tables

GEOLFLTS.SRC

Contains the geologic age information for the mapped geologic units

Label Definition
ID Sequence number
FSRCCODE Index to polygon attribute data in other tables
FSRCDES1 Section 1 of the source description of a fault
FSRCDES2 Section 2 (if present) of the source description
FSRCDES3 Section 3 (if present) of the source description of a fault

GEOLFLTS.TYP

Contains the geologic age information for the mapped geologic units

Label Definition
FTYPCODE Index to polygon attribute data in other tables
FTYPE Fault type abreviation
FTYPDES Description of the geologic age of the mapped unit

GEOLLINS.AAT

Line attribution table

Label Definition
LSYMBOL Index to lineament attribute data in other tables

GEOLLINS.DES

Contains the lineament line descriptions for mapped geologic units

Label Definition
LSYMBOL Index to lineament attribute data in other tables
LCODE Code to lineament line type
LINSTYP Abbreviation of lineament line type.
LINSDES Description of lineament line types

GEOLMETA.AAT

Line attribution table

Label Definition
MSYMBOL Index to metamorphic attribute data in other tables

GEOLMETA.DES

Contains the metamorphic line descriptions

Label Definition
MSYMBOL Index to metamorphic attribute data in other tables
MCODE Code to metamorphic line type
METATYP Abbreviation of metamorphic line type.
METADES Description of metamorphic line types

GEOLCALD.AAT

Line attribution table

Label Definition
CSYMBOL Index to caldera attribute data in other tables

GEOLCALD.DES

Contains the caldera line descriptions

Label Definition
CSYMBOL Index to caldera attribute data in other tables
CCODE Code to caldera line type
CALDTYP Abbreviation of caldera line type.
CALDDES Description of calerda line types