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Sierra Estrella

Past Producer in Pinal county in Arizona, United States with commodities Mica, Feldspar, Quartz
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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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10060345
MRDS ID TC10720
Record type Site
Current site name Sierra Estrella
Alternate or previous names Eastern Estrella Mountains
Related records 10186833

Geographic coordinates

Geographic coordinates: -112.1924, 33.09591 (WGS84)
Location accuracy 500(meters)
Relative position Within Area

Site location context

Political divisions (FIPS codes)

Pinal(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Enid(quadrangle 1:24,000 scale)

Phoenix South(quadrangle 1:100,000 scale)

Phoenix(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Gila-Painted Rock Reservoir(hydrologic unit)

Lower Gila-Agua Fria(hydrologic accounting unit)

Lower 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 004S 002E 6,7,8 Arizona

Commodities

Commodity Importance
Mica Primary
Feldspar Primary
Quartz Tertiary

Comments on the commodity information

  • MICA SHEETS ARE RULED, RUMPLED, OR FLAWED.

Materials information

Materials Type of material
Muscovite Ore
Sericite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -112.1924, 33.09591
ListMap

Economic information

Ore body information

  • Length 15.24M
    Width 4.57M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Deposit size Small
Significant No

Comments on the workings information

  • PROSPECTED BY SHALLOW PIT AND BULLDOZER TRENCHES

Comments on development

  • PRIOR TO 1952, THERE WAS SOME EXPERIMENTAL PRODUCTION OF MICA.

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    WILSON, E.D., 1969, MINERAL DEPOSITS OF THE GILA RIVER INDIAN RESERVATION, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 179, 34 P.

  • Deposit

    PEIRCE, H.W., 1990, ARIZONA GEOLOGICAL SURVEY INDUSTRIAL MINERAL CARD FILES.

  • Deposit

    ARIZONA GEOLOGICAL SURVEY, 1969, BULLETIN 280, P. 345.

  • Deposit

    MOORE, R.T., AND VARGA, R.J., 1976, MAPS SHOWING NONMETALLIC MINERAL DEPOSITS IN THE PHOENIX AREA, ARIZONA: U.S. GEOLOGICAL SURVEY MISCELLANEOUS INVESTIGATIONS MAP I-845-J, SCALE 1:250,000.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit INTERGROWN K-FELDSPAR AND QUARTZ OCCUR WITH MICA IN SEVERAL SMALL PEGMATITE BODIES IN SCHIST. THE SCHIST STRIKES N30-60E AND DIPS STEEPLY; THE PEGMATITES HAVE VARIOUS STRIKES AND DIPS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-90 Bolm, Karen S. U.S. Geological Survey
Updater 01-JUL-92 Wells, Tina M. 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.