Pico Mine

Past Producer in Pinal county in Arizona, United States with commodities Silver, Lead, Silica, Molybdenum
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. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10046287
MRDS ID M241183
Record type Site
Current site name Pico Mine
Alternate or previous names Pico Ace Group, George Freeman Pit, Sofpa Claims, Esta Bles Claims
Related records 10113217

Geographic coordinates

Geographic coordinates: -111.91489, 32.62371 (WGS84)
Elevation 472
Location accuracy 1000(meters)
Relative position ABOUT 5.5 MILES NORTH NORTHWEST OF PRIETA PEAK, Position Estimated To Hillside In Se Of Section 23.

Site location context

Political divisions (FIPS codes)

Pinal(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

North Komelik(quadrangle 1:24,000 scale)

Casa Grande(quadrangle 1:100,000 scale)

Tucson(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Santa Rosa Wash(hydrologic unit)

Santa Cruz(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

BIA(Federal land areas administered by BIA)

Geographic areas

Country State County
United States Arizona Pinal

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 009S 004E 23 SE Arizona

Comments on the location information

  • LOCATED NEAR THE ORIZABA MINE.

Commodities

Commodity Importance
Silver Primary
Lead Secondary
Silica Secondary
Molybdenum Tertiary

Materials information

Materials Type of material
Anglesite Ore
Argentite Ore
Cerargyrite Ore
Embolite Ore
Galena Ore
Wulfenite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Bolsa Quartzite
    Rock description Bolsa Quartzite
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Late Cambrian

Nearby scientific data

(1) -111.91489, 32.62371

Economic information

Geologic structures

Type of structure Regional
Structure description Bed Trends Nw Dips Sw, Overlain By Paleozic Limestone Of Undetermined Age
Type of structure Local
Structure description Nw Striking Fault, Minor Ne Striking Faults

Ore body information

  • General form LENSES
    Thickness 0.61M

Controls for ore emplacement

  • Ne Striking Faults

Comments on the geologic information

  • DEPOSIT LOCATED IN EITHER ABRIGO FORMATION OR BOLSA QUARTZITE

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1955
Year of last production 1966

Comments on the production information

  • PAST PRODUCTION OF PLUS 90% SILICA FOR COPPER SMELTER FLUX.

Workings at the site

  • Type of workings Surface/Underground
    Area 0.043HA
    Overall length 21.34M
    Overall width 21.34M

Comments on the workings information

  • SMALL PIT 70 FT IN DIAMETER, 20 FT DEEP; OLD SHAFT 40 FT DEEP

Reference information

Bibliographic references

  • Deposit

    ADMR FILE DATA

  • Deposit

    ABGMT-USBM FILE DATA

  • Deposit

    USGS MF-934

  • Deposit

    PHILLIPS, K.A., 1987, ARIZONA INDUSTRIAL MINERALS: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES MINERAL REPORT 4, 185 P.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit VEIN OF SILVER LEAD ORE IN LAYER OF QUARTZITE 4 FT THICK, VEIN VARIES IN THICKNESS FROM A FEW INCHES TO TWO FEET

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-82 Roth, Frances A. (Gest, Don E.) Arizona Bureau of Geology and Mineral Technology
Updater 01-JUN-93 Orris, Greta J. U.S. Geological Survey

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.