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Muheim - Grafen Mine

Producer in Pima county in Arizona, United States with commodities Copper, Silver, Gold, Zinc
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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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Production statistics
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10108996
MRDS ID M001430
Record type Site
Current site name Muheim - Grafen Mine
Related records 10283304

Geographic coordinates

Geographic coordinates: -110.75012, 31.83041 (WGS84)
Elevation 1536
Relative position 30 MILES SE OF TUCSON.

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 018S 016E 31 NW Arizona

Commodities

Commodity Importance
Copper Primary
Silver Primary
Gold Secondary
Zinc Critical Secondary

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Quartz Latite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock
    Rock unit name Comanche Series
    Rock description Comanche Series

Nearby scientific data

(1) -110.75012, 31.83041
ListMap

Economic information

Ore body information

  • General form IRREGULAR, LENTICULAR

Comments on the geologic information

  • CRETACEOUS SEDIMENTS ARE UNDIVIDED (CONGLOMERATE, GRAYWACKE, SHALE, ARKOSE)

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1960
Year of last production 1960

Mining district

District name Helvetia - Rosemont District

Land status

Ownership category National Forest
Area name Coronado National Forest

Production statistics

  • Year 1960
    Material ORE
    Accuracy Estimate
    Description Ap_Grade: ^3.5 % Cu, 2 Oz Ag/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Silver Silver 63g/mt
    Ore Copper Copper 4wt-pct

Comments on the workings information

  • SHAFT AND ADIT WORKINGS.

Comments on development

  • OPERATORS INCLUDED HENRY MUHEIM

Reference information

Bibliographic references

  • Deposit

    KEITH, S.B., 1974, INDEX OF MINING PROPERTIES IN PIMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 189, P. 127

  • Production

    ABM BULLETIN 189 , P. 127 .

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1979 Johnson, Kris H. (Creasey, S.C.) U.S. Geological Survey

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.