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  3. Mineral Resource Data System (MRDS)

Big Flo Mine

Occurrence in Pinal county in Arizona, United States with commodities 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. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10039956
MRDS ID M051166
Record type Site
Current site name Big Flo Mine

Geographic coordinates

Geographic coordinates: -111.13013, 32.53344 (WGS84)

Site location context

Political divisions (FIPS codes)

Pinal(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Desert Peak(quadrangle 1:24,000 scale)

Casa Grande(quadrangle 1:100,000 scale)

Tucson(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Santa Cruz(hydrologic unit)

Santa Cruz(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Pinal

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 010S 012E 29 Arizona

Comments on the location information

  • INFO FROM LAND.ST :(1964)

Commodities

Commodity Importance
Copper Primary
Silver Primary

Materials information

Materials Type of material
Chalcocite Ore
Epidote Gangue

Alteration

  • (Local) Pervasive Chlorite Alteration, Sericite Flakes

Analytical data

Result ASSAY REPORT FOR ARIZONA WESTERN MINING COMPANY (10-30-70) SOUTHWESTERN ASSAYERS AND CHEMISTS, TUSCON: 0.23 OZ/TON AG, 0.57 PERCENT CU.

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Pliocene

Nearby scientific data

(1) -111.13013, 32.53344
ListMap

Economic information

Comments on the geologic information

  • EPIDOTE ON FRACTURING QUARTZ WITH SULFIDES AND SERICITE FLAKES ON EDGE. FAIRLY LARGE AREA OF THIS TYPE (INCLUDES TMR-24N) BUT SUSPECT LESS THAN .2 PERCENT CU OVERALL ON STRIKING MAJOR INFERRED FAULT, N10 - 20W.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Owl Head District

Land status

Ownership category Private

Comments on the workings information

  • CAT CUT

Reference information

Bibliographic references

  • Deposit

    N.G. BANKS, FIELD EXAM

  • Other Database

    CIMRI

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1976 Banks, Norman G. 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.