Preliminary digital map of cryptocrystalline occurrences in northern Nevada: rkhnd (ArcView shapefile) and rkhnd_crypto (ArcInfo point coverage)

Online link https://geo-nsdi.er.usgs.gov/metadata/open-file/99-523/metadata.faq.html
Description A polygon Arcview shapefile of northern Nevada cryptocrystalline occurrences derived from Nevada rockhound guides and converted to a coverage.
Originators Moyer, Lorre A.
Publication U.S. Geological Survey Open-File Report 99-523

Related topics

States or counties

Overview of attributes

The following attributes were extracted from the MRDS database
and their values (for the appropriate locations) included in
mrds.dbf and mrds_crypto.pat of USGS Open-File Report 99-523:
RECORD_NO REPORTER REP_DATE REP_AFFIL UPDATER UPD_DATE
UPD_AFFIL SITE SYNONYM DISTRICT REC_TYPE COUNTY STATE_CODE
COUNTRY_CD QUAD QUAD1 LATITUDE LONGITUDE COMMODS PROD
STATUS OWNER OPERATOR DEP_TYPE DEP_FORM DEP_SIZE SURF_UNDG
HR_TYPE HR_AGE AGE_OF_MIN IG_RK_TYPE IG_RK_AGE ORE_CTRL
TECTONICS ALTERATION CONCENTRAT ORE_MINS NONORE_MIN
COMMENTS PROD1 PROD2 PROD3 CUM_ PROD1 CUM_PROD2 CUM_PROD3
PR_COMMENT RESERVES1 RESERVES2 RESERVES3 RESV_COM REF1 REF2
REF3 REF4 REF5 STATE_NAME COUNTRY_NM MODEL_NAME MODEL_NUM

Mineral Resources Data System metadata at http://mrdata.usgs.gov/metadata/mrds.met

rkhnd.dbf

Shapefile attribute table

Label Definition
TYPE Cryptocrystalline occurrence type (character)
SUBTYPE Cryptocrystalline occurrence subtype (character)
LOCATION Location accuracy estimation (integer)
REFERENCE Sources for rockhound site locations (integer)
SITE_NAME Site name (character)
QUADRANGLE 100k quadrangle map name (character)

mrds data row

Fields extracted from MRDS attributes for this data set, with one additional field.

Label Definition
TYPE Cryptocrystalline type