Alpha Mine

Past Producer in Mohave county in Arizona, United States with commodities Silver, Copper, Gold, Lead, Zinc
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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Production statistics
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10027779
MRDS ID M004073
Record type Site
Current site name Alpha Mine
Alternate or previous names Summit Mine
Related records 10283667

Geographic coordinates

Geographic coordinates: -114.12469, 35.33752 (WGS84)
Elevation 1548
Relative position 7 MILES SE OF CHLORIDE, ABOUT 2.7 MILES NNW OF SILVER MOUNTAIN

Site location context

Political divisions (FIPS codes)

Mohave(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Stockton Hill(quadrangle 1:24,000 scale)

Davis Dam(quadrangle 1:100,000 scale)

Kingman(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Sacramento Wash(hydrologic unit)

Lower Colorado(hydrologic accounting unit)

Lower Colorado(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Mohave

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 023N 017W 32 N2 OF SW4 Arizona

Comments on the location information

  • TWO ADITS AND SHAFT INDICATED ON MAP

Commodities

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

Materials information

Materials Type of material
Argentite Ore
Cerargyrite Ore
Chalcopyrite Ore
Galena Ore
Pyrite Ore
Silver Ore
Sphalerite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -114.12469, 35.33752

Economic information

Geologic structures

Type of structure Regional
Structure description Prec Schistosity N30e, Lcret Veins, Fissures, Dikes Nw To Nnw Regionally
Type of structure Local
Structure description Schistosity Trends About N 30 E

Ore body information

  • General form LENSES
    Strike N60W
    Dip 70 NE
    Width 6.1M

Comments on the geologic information

  • MINERALIZATION ASSOCIATED WITH PORPHYRY INTRUSION, LCRET

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1865
Production years 1901 - 1948

Mining district

District name Wallapai District

Land status

Ownership category Private

Production statistics

  • Year 1945
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^3.94 % Pb, 5.05 % Zn, 0.50 % Cu, 0.07 Oz Au/Ton, 7.30 Oz Ag/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 206g/mt
    Ore Gold Gold 2g/mt
    Ore Copper Copper 1wt-pct
    Major Ore Zinc Zinc 5wt-pct
    Major Ore Lead Lead 4wt-pct

Comments on the production information

  • PRODUCTION FOR 1940'S FOR ALPHA MINE MAY HAVE BEEN INCLUDED IN TOTALS FOR SUMMIT MINE FOR THOSE YEARS WHERE RALPH R. LANGLEY WAS OPERATOR

Comments on the reserve resource information

  • ASSAY FIGURES ARE HIGHEST AND LOWEST DETERMINED FROM SAMPLES

Workings at the site

  • Type of workings Underground
    Length 609.6M
    Overall depth 91.44M

Comments on the workings information

  • 2 TUNNELS, 1200 FT AND 400 FT LONG; 4 LARGE STOPES; 1 RAISE OF 300 FT CONNECTING THE TUNNELS AND SURFACE

Comments on development

  • 4 CLAIMS; PREVIOUS OWNERS AND OPERATORS INCLUDE E.M. LEONARD, ALPHA KEYSTONE (1938), DALE SANDISON, FERGUSON BROTHERS, REARDON, CAROLINE DANIELS MOORE (1946), R.R. LANGLEY (1946), PETER COOPER, OSCAR F. DENNIS, MRS. SMITH (1909)

Reference information

Bibliographic references

  • Deposit

    DINGS, M. G., 1951 , THE WALLAPAI MINING DISTRICT, CERBAT MOUNTAINS, MOHAVE COUNTY, ARIZONA; U.S.G.S. BULL. 978-E

  • Deposit

    SCHRADER, F. C., 1909 , MINERAL RESOURCES OF THE CERBAT RANGE, BLACK MOUNTAINS, AND GRAND WASH CLIFFS, MOHAVE COUNTY, ARIZONA; U.S.G.S. BULL. 397

  • Deposit

    HAURY, P. S., EXAMINATION OF ZN-PB MINES IN THE WALLAPAI MINING DISTRICT, MOHAVE COUNTY, ARIZONA: U.S.B.M. R.I. 4101

  • Deposit

    ADMR FILE DATA (ALPHA; CASHIER)

  • Production

    U.S.G.S. BULL. 978-E; U.S.B.M. R.I. 4101

  • Reserve-Resource

    U.S.B.M. R.I. 4101

General comments

Subject category Comment text
Deposit Discovery Year: 1860'S OR 1870'S
Deposit RECORD # D002361 BY J. WILLIAM HASLER HAS BEEN INCORPORATED INTO THIS ONE. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1978 Johnson, Kris H. (Creasey, S.C.) U.S. Geological Survey
Updater 01-MAR-1977 Hasler, J. William U.S. Geological Survey

Beyond USGS

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

External references

Authoritative Arizona resources

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