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Porphyry Mine

Producer in Yavapai county in Arizona, United States with commodities Copper, Gold, Silver, Zinc, Lead
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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. Materials information
  8. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10048142
MRDS ID M800184
Record type Site
Current site name Porphyry Mine
Alternate or previous names Grubb Claim, Porphyry Claims
Related records 10113149

Geographic coordinates

Geographic coordinates: -112.3988, 34.44088 (WGS84)
Elevation 2073
Location accuracy 1000(meters)
Relative position 3 MILES SE OF GROOM CREEK, ARIZONA

Site location context

Political divisions (FIPS codes)

Yavapai(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Groom Creek(quadrangle 1:24,000 scale)

Bradshaw Mountains(quadrangle 1:100,000 scale)

Prescott(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Agua Fria(hydrologic unit)

Lower Gila-Agua Fria(hydrologic accounting unit)

Lower Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Prescott 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 Yavapai

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 12N 001W 30 E Arizona

Commodities

Commodity Importance
Copper Primary
Gold Primary
Silver Secondary
Zinc Critical Secondary
Lead Secondary

Materials information

Materials Type of material
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Minor

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Government Canon Granodiorite;Informal Name-Walker Stock, Walker Granodiorite
    Rock description Government Canon Granodiorite;Informal Name-Walker Stock, Walker Granodiorite
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -112.3988, 34.44088
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Foliation In Precambrian Country Rocks Trends N10e To N45e
Type of structure Local
Structure description Veins Sometimes Parallel To Regional Foliation

Ore body information

  • General form TABULAR
    Strike N45E
    Dip 70N
    Thickness 2.44M

Controls for ore emplacement

  • Faulting, Shearing

Comments on the geologic information

  • DEPOSIT IS VEIN IN PRECAMBRIAN GOVERNMENT CANYON GRANODIORITE AND CRET-PALEO WALKER GRANODIORITE. CRET-TERT RHYOLITE DIKES MAY APPEAR LOCALLY NEAR THE DEPOSIT

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1934
Year of last production 1948

Mining district

District name Walker District

Ownership information

  • Type Operator
    Owner Dahlin, A. G.
    First year 1948
  • Type Owner
    Owner Rice, A. E.
    First year 1939

Workings at the site

  • Type of workings Surface/Underground
    Length 91.44M

Comments on the workings information

  • 300 FT TUNNEL. MOST WORKINGS POSSIBLY ON SURFACE OR QUITE SHALLOW

Comments on development

  • GROUP CONSISTS OF 9 UNPATENTED CLAIMS LOCATED ALONG AND BOTH NORTH AND SOUTH OF KNAPP GULCH, SOUTH OF THE SHELDON MINE

Reference information

Bibliographic references

  • Deposit

    U.S.G.S. GQ MAP 997

  • Deposit

    ABGMT FILE DATA (CLIPPINGS)

  • Deposit

    AZ DEPT MIN. RESOURCES FILE DATA

  • Deposit

    USBM-ABGMT FILE DATA

General comments

Subject category Comment text
Deposit 3 VEINS OUTCROP ACROSS 700 FT WIDE CLAIM AREA

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-81 Laraba, Peter (Dewitt, Ed) Arizona Bureau of Geology and Mineral Technology

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.