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  3. Mineral Resource Data System (MRDS)

Comstock Mine Group

Past Producer in Pima county in Arizona, United States with commodities Copper, Gold, Lead, Silver
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Land status
  12. Ownership information
  13. Production statistics
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10186367
MRDS ID M000218
MAS/MILS ID 0040190164
Record type Site
Current site name Comstock Mine Group
Alternate or previous names Arizona Comstock Lode, Coronado Nf, Part 12, Santa Rita Mt, Unit, Az, Usbm Ofr Mla 11-94.
Related records 10026779

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -110.76398, 31.75843 (WGS84)
Elevation 1682
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Helvetia(quadrangle 1:24,000 scale)

Fort Huachuca(quadrangle 1:100,000 scale)

Nogales(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Rillito(hydrologic unit)

Santa Cruz(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Coronado National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Arizona Pima

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 019 S 015 E 25 N2 Arizona

Commodities

Commodity Importance
Copper Primary
Gold Primary
Lead Primary
Silver Primary

Nearby scientific data

Main Entrance (1) -110.76398, 31.75843
ListMap

Economic information

Ore body information

  • Field Value
    Type of Orebody #1 FISSURE VEIN
    Primary mode of Origin HYDROTHERMAL
    Date of Last Modification 940726

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Greaterville District

Land status

Ownership category National Forest

Ownership information

  • Type Unknown
    Owner Arizona Comstock Mining Co
    Year 1940

Production statistics

  • Year 1910
    Period 1900-1910
    Description 1900-1910 Sorted Ore $800/T Au, Ag, & Pb
  • Year 1940
    Period Late 1800'S-1940
    Description Late 1800'S-1940 30%Pb, 5%Cu, 15 Oz/T Ag 100 Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Silver Silver 474g/mt
    Major Copper Copper 5wt-pct
    Major Lead Lead 30wt-pct

Comments on the workings information

  • INCLUDES APEX ADIT AND FULTON SHAFT.

Reference information

Bibliographic references

  • Deposit

    USGS SAHUARITA QUADRANGLE

  • Deposit

    ARIZ BUR MINES BULL 189 P120 1974

  • Deposit

    J C STEWART, 1971, GEOLOGY OF THE MORNING STAR MINE AREA,

  • Deposit

    UNIV OF ARIZ MS THESIS, 79 P.

Reporter information

Type Date Name Affiliation Comment
Reporter 07-OCT-1994 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative Arizona resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.