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Silver Cross Mine

Past Producer in Maricopa county in Arizona, United States with commodities Gold, Copper, 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. Materials information
  8. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Production statistics
  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 10046344
MRDS ID M241360
Record type Site
Current site name Silver Cross Mine
Alternate or previous names Heck Claims, Cave Creek
Related records 10283712

Geographic coordinates

Geographic coordinates: -111.95545, 33.92145 (WGS84)
Elevation 805
Relative position ABOUT 1.3 MILES EAST OF BLACK MESA.

Site location context

Political divisions (FIPS codes)

Maricopa(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

New River Mesa(quadrangle 1:24,000 scale)

Theodore Roosevelt Lake(quadrangle 1:100,000 scale)

Mesa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Salt(hydrologic unit)

Salt(hydrologic accounting unit)

Salt(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Tonto 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 Maricopa

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 007N 004E 28,27,29,32,33 W2 (28) Arizona

Comments on the location information

  • CLAIMS EXTEND INTO SECTIONS 27, 29, 32, 33.

Commodities

Commodity Importance
Gold Primary
Copper Secondary
Silver Secondary

Materials information

Materials Type of material
Argentite Ore
Chrysocolla Ore
Gold Ore
Hematite Ore
Pyrolusite Ore
Silver Ore
Limonite Gangue
Quartz Gangue

Alteration

  • (Local) Sericitization

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -111.95545, 33.92145
ListMap

Economic information

Ore body information

  • General form IRREGULAR
    Strike NW OR N70E
    Dip VERTICAL OR 65 SE
    Thickness 16.15M
    Length 33.53M
    Width 10.67M
    Depth to top 0M

Comments on the geologic information

  • DEWITT MAPS PREC RHYOLITE AND DIORITE IN MINE AREA, WITH TERTIARY BASALTS SURROUNDING VALLEY IN WHICH MINE IS LOCATED. ADMR REPORT DESCRIBES PREC ROCKS AS INTRUDED BY DIORITE PORPHYRY.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1956
Year of first production 1957
Year of last production 1958

Mining district

District name Cave Creek District

Land status

Ownership category National Forest
Area name Tonto National Forest

Ownership information

  • Type Operator
    Owner Amca Resources Ltd.
    Home office Vancouver, B.C., Canada
    First year 1987
  • Type Owner
    Owner Heck, Noble
    First year 1961

Production statistics

  • Year 1958
    Period 1957-1958
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^0.4 Toz Au/St
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Ore Gold Gold 11g/mt

Workings at the site

  • Type of workings Surface
    Length 30.48M
    Overall depth 9.14M

Comments on the workings information

  • WORKINGS INCLUDE LOCATION PITS AND 3 BULL DOZER BENCHES.

Comments on development

  • 30 UNPATENTED CLAIMS EXTENDING DOWN THE EAST SLOPE OF SUGAR LOAF. PREVIOUS OPERATORS INCLUDED MEXICO-PACIFIC MINING CO. (1961). AMCA DID EXPLORATION DRILLING, OPEN PIT RENOVATION, AND CONSTRUCTION OF A NEW LEACH FACILITY DURING THE 1984-1986 PERIOD.

Reference information

Bibliographic references

  • Deposit

    ABGMT-USBM FILE DATA

  • Deposit

    ADMR FILE DATA

  • Deposit

    USBM FILES

  • Deposit

    DEWITT, ED, 1981, UNPUBLISHED RECONNAISSANCE MAPPING.

  • Deposit

    NIEMUTH, N.J., 1987, ARIZONA MINERAL DEVELOPMENT 1984-1986: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES DIRECTORY 29, 46 P.

  • Deposit

    SAWYER, M.B., GURMENDI, A.C., DALEY, M.R., AND HOWELL, S.B., 1992, PRINCIPAL DEPOSITS OF STRATEGIC AND CRITICAL MINERALS IN ARIZONA: U.S. BUREAU OF MINES SPECIAL PUBLICATION, 334 P.

  • Other Database

    CIMRI

  • Production

    SAWYER AND OTHERS, 1992.

General comments

Subject category Comment text
Deposit THE GOLD IS DISSEMINATED THROUGH A HEAVILY ALTERED, FINELY LAMINATED SCHIST STRUCTURE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1982 Roth, Frances A. (Gest, Don E.) Arizona Bureau of Geology and Mineral Technology
Updater 01-AUG-1992 Orris, Greta J. U.S. Geological Survey
Updater 01-MAR-1994 Orris, Greta J. 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.