Muheim-Grafen Group

Past Producer in Pima county in Arizona, United States with commodities Copper, Gold, Silver
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. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10283304
MRDS ID M001430
MAS/MILS ID 0040190325
Record type Site
Current site name Muheim-Grafen Group
Alternate or previous names Muheim-Grafen Mine, Coronado Nf, Part 12, Santa Rita Mt, Unit, Az, Usbm Ofr Mla 11-94., Santa Rita Claim Group ?
Related records 10108996

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -110.75898, 31.82793 (WGS84)
Elevation 1621
Location accuracy 100(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 018 S 015 E 36 Arizona

Commodities

Commodity Importance
Copper Primary
Gold Secondary
Silver Primary

Nearby scientific data

Main Entrance (1) -110.75898, 31.82793

Economic information

Ore body information

  • Field Value
    Type of Orebody #1 FISSURE VEIN
    Type of Orebody #2 SHEAR ZONE
    Date of Last Modification 940720

Economic information about the deposit and operations

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

Mining district

District name Helvetia-Rosemont District

Land status

Ownership category National Forest

Ownership information

  • Type Unknown
    Owner Muheim
    Home office Arizona
    Year 1960

Production statistics

  • Year 1918
    Description 11 Carloads Of Ore 5% Cu, 3.5 Oz Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Silver Silver 99g/mt
    Major Copper Copper 5wt-pct
  • Year 1960
    Description Ore Avg 3.5% Cu, 2 Oz/T Ag 130 Tons
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Silver Silver 56g/mt
    Major Copper Copper 4wt-pct
  • Year 1961
    Period 1960-61
    Description 1960-61, 3 Carloads Avg 5.5% Cu, 1 Oz Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Silver Silver 28g/mt
    Major Copper Copper 6wt-pct

Reference information

Bibliographic references

  • Deposit

    S B KEITH ARIZ BUR MINES BULL 189 P127 1974

  • Deposit

    USGS SAHUARITA QUADRANGLE

  • Deposit

    ARIZ BU MINES FILE DATA

General comments

Subject category Comment text
Deposit MUHEIM GRAFEN GROUP CONTAINED ABOUT 40 UNPATENTED CLAIMS IN SECS 25 AND 36 T18S R15E (1960). CLAIM GROUP LEASED TO BANNER MINING CO IN 1963.

Reporter information

Type Date Name Affiliation Comment
Reporter 20-JUL-94 ADMR U.S. Bureau of Mines

Beyond USGS

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

Authoritative Arizona resources

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