Empire Mountains Deposit

Occurrence in Pima county in Arizona, United States with commodity Gypsum-Anhydrite
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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10060180
MRDS ID TC10137
Record type Site
Current site name Empire Mountains Deposit
Related records 10259325

Geographic coordinates

Geographic coordinates: -110.63735, 32.9301 (WGS84)
Location accuracy 500(meters)
Relative position Within Area Described, Within Area Described

Site location context

Political divisions (FIPS codes)

Pinal(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Dudleyville(quadrangle 1:24,000 scale)

Mammoth(quadrangle 1:100,000 scale)

Tucson(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower San Pedro(hydrologic unit)

San Pedro-Willcox(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 Pima

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 17S;18S 17E;17E 19,28,29,30,32,33;3,4,8 Arizona

Commodities

Commodity Importance
Gypsum-Anhydrite Primary

Comments on the commodity information

  • LARGE RESOURCES OF HIGH-GRADE GYPSUM

Materials information

Materials Type of material
Gypsum Ore

Mineral occurrence model information

Model code 253
USGS model code 35a.5 (35ae)
Deposit model name Bedded gypsum: marine evaporite gypsum

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -110.63735, 32.9301

Economic information

Ore body information

  • General form IRREGULAR, LENSES
    Dip 25-40 SW
    Thickness 18.29M
    Length 3218.6M

Comments on the geologic information

  • ABOVE NACO GROUP

Economic information about the deposit and operations

Development status Occurrence
Commodity type Non-metallic
Deposit size Large
Significant No

Comments on development

  • ECON.COM: DIFFICULT ACCESS AND STEEP DIP LIMITS EXPLOITATION POSSIBILITIES

Reference information

Bibliographic references

  • Deposit

    KEITH, S.B., 1969, GYPSUM, IN USGS, AZ BUREAU OF MINES, ANDUU.S. BUREAU OF RECLAMATION, MINERAL AND WATER RESOURCES OF ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 180, 638 P.

  • Deposit

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

  • Deposit

    STONE, R.W., 1920, GYPSUM DEPOSITS OF THE UNITED STATES: U.S. GEOLOGICAL SURVEY BULLETIN 697, 326 P.

  • Deposit

    GALBRAITH, F.W., 3D, 1940, GYPSUM: ARIZONA BUREAU OF MINES CIRCULAR 5, 6 P.

  • Deposit

    PEIRCE, H.W., 1990, AZGS INDUSTRIAL MINERALS CARD FILE.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit 3 ZONES: ZONE 1 IS 20-30 FT THICK, ZONE 2 IS 275 FT BELOW ZONE 1 & IS 50-60 FT THICK, AND ZONE 3 IS 395 FT BELOW MIDDLE BED AND IS ABOUT 15 FT THICK.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-89 Bolm, Karen S. 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.