General descriptive information about the deposit
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rec_id
Record ID(Site identification) |
A distinct numerical identifier for the database record without further scientific significance, assigned by the data manager of mrdata.usgs.gov. |
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district
District(Geographic location) |
Name of the mining district. |
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depname
Deposit(Site identification) |
Most commonly used name of the deposit. |
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country
Country(Geographic location) |
Country in which the deposit is located. |
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latitude
Latitude(Geographic location) |
Geographic latitude of the deposit, in decimal degrees WGS84, south latitude negative. |
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longitude
Longitude(Geographic location) |
Geographic longitude of the deposit, in decimal degrees WGS84, west longitude negative. |
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deptype
Classification(Site characteristics) |
General classification of the deposit as MVT (Mississippi Valley Type), CD (clastic-dominated), or UN (unclassified) |
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alttype
Alternative Classification(Site characteristics) |
Any alternative classification commonly given for the deposit, includes BHT (Broken Hill type), carbonate-hosted/replacement, or sh (shale) or cc (coarse clastic) |
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tectset
Tectonic Setting(Site characteristics) |
Generalized tectonic setting: PM (passive margin), BA (back arc basin), CS (continental sag), RF (rift), or UN (unclassified). |
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hostrock
Host Rocks(Site characteristics) |
Lithology of the host rock |
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oreton
Size (tonnage)(Site characteristics) |
Deposit size given in million metric tons of ore. |
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pbton
Pb (tonnage)(Site characteristics) |
Tonnage of lead |
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znton
Zn (tonnage)(Site characteristics) |
Tonnage of zinc |
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pbznton
Pb+Zn (tonnage)(Site characteristics) |
Tonnage of lead and zinc combined |
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pbgrd
Pb grade(Site characteristics) |
Lead grade |
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zngrd
Zn grade(Site characteristics) |
Zinc grade |
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pbzngrd
(Pb+Zn) grade(Site characteristics) |
Combined grade of lead and zinc |
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cugrd
Cu grade(Site characteristics) |
Copper grade |
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aggrd
Ag grade(Site characteristics) |
Silver grade |
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othercom
Other Commodities(Site characteristics) |
Other commodities present at the site |
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refgen
General References(Site characteristics) |
Short citations for general references |
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refprod
Production or Reserves References(Site characteristics) |
Short citations for references related to production and reserves |
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hostage
Host-Rock Age(Site characteristics) |
Age of the host rocks. |
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minagemeth
Mineralization Age and Method(Site characteristics) |
Mineralization ages, with the method of determining age in parentheses after each estimate. |
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refage
Age Reference(Site characteristics) |
Short citations for references documenting the geologic age of the deposit |
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deptypea
Deposit type A(Site characteristics) |
Classification of the deposit as given in Leach and others (2005) |
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deptypeb
Deposit type B(Site characteristics) |
Classification of the deposit as given in Leach and others (2005) |
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deptypec
Deposit type C(Site characteristics) |
Classification of the deposit as given in Leach and others (2005) |