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Database fields, all categories

Metadata
urlOnline link to a report giving the complete record.
Site identification
dep_idA unique 12-digit system generated sequence number which references records of information pertaining to a mineral property
mrds_idIdentification number used to refer to this entry in the Mineral Resources Data System, if the record appeared in that database.
mas_idIdentification number for this site as it appeared in the Mineral Availability System/Mineral Industry Locator System database,
site_nameCurrent (preferred) form of the name of the site, deposit, or operation to which the record refers.
namesNames by which the site or operation has bee known in the past.
Geographic location
latitudeGeographic latitude of the site, WGS84
longitudeGeographic longitude of the site, WGS84
regionCode indicating the geographic region
countryName of the country in which the site is located
stateName of the state or province in which the site is located
countyName of the county in which the site is located
Site characteristics
oper_typeType of operation existing or proposed at the site.
dep_typeGeneral type of deposit or resource present at the site.
prod_sizeA broad characterization of the magnitude of production at the site.
dev_statStatus of development of the resource or operation.
oreName of the ore mineral or material found in this deposit.
gangueName of the gangue mineral or material found in this deposit.
other_matlName of other minerals or materials found in this deposit.
orebody_fmForm and shape of the ore body.
work_typeGeneral type of workings at the site.
modelMineral deposit models that characterize the site. Multiple models are delimited by braces, with a model number for each.
alterationGeochemical alteration, if any, believed to have been important in forming or modifying the ore materials of a deposit.
conc_procGeological processes that are believed to have occurred to concentrate ore materials in the deposit
ore_ctrlGeologic features, typically structural, that exert control over the form, extent, or character of the deposit.
reporterNames of the persons primarily responsible for entering information about the site.
hrock_unitLithologic and stratigraphic information regarding the host rocks for the ore deposit
hrock_typeControlled term(s) indicating the type of host rocks, taken from Lithclass 6.2
arock_unitLithologic and stratigraphic information regarding the rocks for the ore deposit that are not specifically identified as host ro
arock_typeControlled term(s) indicating the type of associated rocks, taken from Lithclass 6.2
structureDescription of geological structures at or near the deposit.
tectonicDescription of tectonic setting within which the deposit is found, includes regional geologic structure.
refBibliographic references providing information supporting the database record. Braces delimit multiple references.
yfp_baValue < indicates production first began before the year specified in YR_FST_PRD; > indicates production began after that year.
yr_fst_prdYear of first production at the site. May be modified by YFP_BA.
ylp_baValue < indicates production ended before the year specified in YR_LST_PRD; > indicates production ended after that year.
yr_lst_prdYear of last production at the site. May be modified by YLP_BA.
dy_baIf present, < in this field indicates that discovery occurred prior to the value in DISC_YR; likewise > indicates discovery occu
disc_yrYear the site was discovered. The value of DY_BA may modify the meaning of this value.
prod_yrsDescription of the production history, including breaks or interruptions between first and last production years.
discrName and address (if known) of the company, organization, or person most closely associated with the discovery of the resource.
Commodities
com_typeType of commodities present: metallic (M), non-metallic (N), or both (B)
commod1Primary commodities present, a comma-separated list. Commodity qualifiers follow each commodity, delimited by a hyphen.
commod2Secondary commodities present, a comma-separated list. Commodity qualifiers follow each commodity, delimited by a hyphen.
commod3Other commodities present, a comma-separated list. Commodity qualifiers follow each commodity, delimited by a hyphen.
Production and resources