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American Mine

Past Producer in Santa Cruz county in Arizona, United States with commodities Silver, Lead, Copper, Zinc, Gold, Manganese
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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 10048358
MRDS ID M899947
Record type Site
Current site name American Mine
Alternate or previous names Virginia Hay Claims, American Millsite Claim
Related records 10137423

Geographic coordinates

Geographic coordinates: -110.72345, 31.45431 (WGS84)
Elevation 1661
Relative position 13 MILES SOUTH OF PATAGONIA; 1.5 MILES SSW OF HARSHAW.

Site location context

Political divisions (FIPS codes)

Santa Cruz(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Harshaw(quadrangle 1:24,000 scale)

Nogales(quadrangle 1:100,000 scale)

Nogales(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Santa Cruz(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 Santa Cruz

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 023S 016E 04 SW OF SW OF SW Arizona

Comments on the location information

  • LOCATED IN SHORT, STEEP GULCH ON NW SLOPE OF AMERICAN PEAK. INFO FROM LAND.ST :01, 41? (1979)

Commodities

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

Materials information

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

Alteration

  • (Local) Surface Oxidation To 90-Ft. Depth

Analytical data

Result ASSAY VALUES AVERAGED 21 OZ/TON AG, 2% PB, MINOR CU AND AU

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff > Welded Tuff
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Trachyandesite
    Stratigraphic age (youngest) Late Cretaceous
    Chronological age 72.1

Nearby scientific data

(1) -110.72345, 31.45431
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Sedimentary Rocks Dip Steeply To Se; Rhyolite Shows N-S Vertical Flow Structure And Banding
Type of structure Local
Structure description Mine Workings On Contact Between Silicified Limestone, Or Quartzite, And Intrusive Porphyritic Brecciated Rhyolite

Ore body information

  • General form LENSES
    Strike WNW
    Dip N
    Length 45.72M
    Width 9.14M
  • General form LENSES
    Dip N

Controls for ore emplacement

  • Wnw-Trending Quartzitic Fissure Vein Parallelling Silicified Shear Zone

Comments on the geologic information

  • RHYOLITE LOCALLY MUCH ALTERED TO SERICITE, EPIDOTE, CARBONATE, AND CHLORITE; SPOTTY HIGH GRADE SILVER VALUES IN OXIDIZED SURFACE ZONE

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1880
Year of first production 1880
Year of last production 1943

Mining district

District name Harshaw District

Ownership information

  • Type Owner
    Owner Virginia Hay (?-
    Last year 1974

Comments on the production information

  • PRODUCED INTERMITTENTLY FROM 1880'S TO 1943; ABOUT 7800 TONS OF ORE

Workings at the site

  • Type of workings Underground
    Length 152.4M
    Overall depth 34.14M

Comments on the workings information

  • DEVELOPMENTS INCLUDED 3 90-FT. SHAFTS, ALL CONNECTED ON 90-FT LEVEL BY DRIFTS; GLORYHOLE OPERATIONS OPENING VEIN FOR LENGTH OF 150 FT AND WIDTH OF 50 FT; 200 FT OF DRIFTS AND STOPES; ALMOST ALL ORE MINED BETWEEN SURFACE AND 90-FT LEVEL.

Comments on development

  • OPERATORS INCLUDED TONY GARCIA, MARCIA BROTHERS, AMERICAN LEASE, GIACOMA; PROPERTY COMPRISES ONE PATENTED CLAIM AND ONE PATENTED MILLSITE CLAIM.

Reference information

Bibliographic references

  • Deposit

    USBM FILES, AMERICAN MINE.

  • Deposit

    ABGMT-USBM FILE DATA.

  • Deposit

    MOORES, RICHARD C., 1972, THE GEOLOGY AND ORE DEPOSITS OF A PORTION OF THE HARSHAW DISTRICT, SANTA CRUZ COUNTY, ARIZONA: M.S. THESIS, UNIVERSITY OF ARIZONA, P. 74.

  • Deposit

    SIMONS, FRANK S., 1974, GEOLOGIC MAP AND SECTIONS OF THE NOGALES AND LOCHIEL QUADRANGLES, SANTA CRUZ COUNTY, ARIZONA: USGS MAP (1:48000).

  • Deposit

    SCHRADER, FRANK C., 1915, MINERAL DEPOSITS OF THE SANTA RITA AND PATAGONIA MOUNTAINS, ARIZONA: USGS BULLETIN 582, P. 277-278.

  • Deposit

    KEITH, 1975, ABM BULL 191, P. 56.

  • Deposit

    ABGMT FILE DATA, STANTON B. KEITH.

  • Deposit

    SIMONS, FRANK S. 1972, MESOZOIC STRATIGRAPHY OF THE PATAGONIA MOUNTAINS AND ADJOINING AREAS, SANTA CRUZ COUNTY, ARIZONA: USGS PROFESSIONAL PAPER 658-E, P. 8-9.

  • Deposit

    ABGMT CLIPPINGS FILE, AMERICAN MINE-PATAGONIA.

  • Deposit

    ARIZONA DEPARTMENT OF MINERAL RESOURCES FILE DATA, BIG JIM MINE.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit MOST ORE MINED FROM LENS THAT DIPS N AND IS 75 FT LONG AND 14 FT WIDE.
Deposit SEE ALSO: BLUE NOSE MINE (ALSO OWNED BY VIRGINIA HAY) ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1982 Calder, Susan R. Arizona Bureau of Geology and Mineral Technology
Updater 22-MAY-1995 Orris, Greta J. U.S. Geological Survey

Beyond USGS

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

External references

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.