Magmatic Copper Mine

Occurrence in Pinal county in Arizona, United States with commodities Manganese, Gold, Silver
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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  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 10092689
MRDS ID M899884
Record type Site
Current site name Magmatic Copper Mine
Alternate or previous names Stacy Claims

Geographic coordinates

Geographic coordinates: -111.09014, 33.25592 (WGS84)
Elevation 975
Location accuracy 1000(meters)
Relative position ABOUT 1.5 MILES WEST OF APACHE LEAP, Utm Measured To Shaft In Section Half Indicated By Mils

Site location context

Political divisions (FIPS codes)

Pinal(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Superior(quadrangle 1:24,000 scale)

Mesa(quadrangle 1:100,000 scale)

Mesa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Gila(hydrologic unit)

Middle Gila(hydrologic accounting unit)

Middle Gila(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 Pinal

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 002S 012E 14 W2 Arizona

Comments on the location information

  • WEST OF THE SUPERIOR-RAY ROAD ; INFO FROM LAND.ST :1979

Commodities

Commodity Importance
Manganese Critical Primary
Gold Secondary
Silver Secondary

Materials information

Materials Type of material
Pyrolusite Ore
Wad Ore
Calcite Gangue
Limonite Gangue
Quartz Gangue
Siderite Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
    Stratigraphic age (youngest) Mississippian
    Stratigraphic age (youngest) Mississippian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Escabrosa Limestone
    Rock description Escabrosa Limestone

Nearby scientific data

(1) -111.09014, 33.25592

Economic information

Geologic structures

Type of structure Regional
Structure description N-S Trending Fault Systems, N-S Trending Sediments With E. Dip, Var Ious E-W Trending Faults
Type of structure Local
Structure description Minor Ns Fault At S End Of Concentrator Fault System

Ore body information

  • General form LENSES
    Dip 40 DEGREES W
    Thickness 3.05M

Controls for ore emplacement

  • Faulting In Limestone

Comments on the geologic information

  • NO INSTRUSIVE ROCK PRESENT, BUT MINERALIZATION ASSOCIATED WITH CRE T-PALEO INTRUSIVE AND FAULTING EPISODE

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Pioneer District

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Stacy, William And Goodspar, A. A.
    First year 1961

Workings at the site

  • Type of workings Underground
    Length 30.48M
    Overall depth 39.62M

Comments on the workings information

  • MAIN SHAFT IS 130 FT DEEP; SEVERAL SMALLER SHAFTS RUN 50 TO 80 FT DEEP; ALSO A TUNNEL 100 FT LONG

Comments on development

  • CONSISTS OF A GROUP OF 7 CLAIMS; DEVELOPMENT WORK WAS DONE IN 191 0'S BY MAGMATIC COPPER CO. LOOKING FOR COPPER

Reference information

Bibliographic references

  • Deposit

    ABGMT CLIPPINGS FILES

  • Deposit

    ABGMT-USBM FILE DATA

  • Deposit

    AZ DEPT MIN RESOURCES FILE DATA

  • Deposit

    RANSOME, F.L., DEPOSITS OF MANGANESE ORE IN ARIZONA, 1919, USGS BUL LETIN 710 P. 163-164

  • Deposit

    FARNHAM, L.L., MANGANESE DEPOSITS OF EASTERN ARIZONA, 1961, USBM IC 7990, P. 141-142

  • Deposit

    WILSON, E.D., MANGANESE ORE DEPOSITS IN ARIZONA, 1930, ABM BULLETIN 127, P 84-85

  • Deposit

    USGS MINERAL INVESTIGATIONS FIELD STUDIES MAP, MF-253, 1962

General comments

Subject category Comment text
Deposit ORE DEPOSITS OCCUR ALONG FAULTS CUTTING THE LIMESTONE BEDS AND BE TWEEN BEDS IN LIMESTONE ADJACENT TO THE FAULTING

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-82 Roth, Frances A. (Gest, Don E.) Arizona Bureau of Geology and Mineral Technology

Beyond USGS

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

Authoritative Arizona resources

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