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Peridot Mesa

Producer in Gila county in Arizona, United States with commodities Olivine, Gemstone
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Geologic information

Identification information

Deposit ID 10060353
MRDS ID TC10730
Record type Site
Current site name Peridot Mesa
Related records 10113001

Geographic coordinates

Geographic coordinates: -110.49374, 33.33037 (WGS84)
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Geographic areas

Country State County
United States Arizona Gila

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 001S 019E;018E 18,19,30;13,14,22,23,24,25,26,27 Arizona

Comments on the location information

  • OLIVINE-BEARING FLOW: SEC. 18, 19, 30, T1S, R19E, AND SEC. 13, 14, 22, 23, 24, 25, 26, 27, T1S, R 18E. OLIVINE-RICH ZONE (>30% OLIVINE): SE/4 SEC. 15, S/2 SEC. 14, SEC. 22, N/2 AND SW/4 SEC. 23, NW/4 SEC. 26, NE/4 SEC. 27, T1S, R18E. CAN BE REACHED FROM SAN CARLOS BY POWERLINE ROAD, WHICH ASCENDS AND CROSSES PERIDOT MESA.

Commodities

Commodity Importance
Olivine Primary
Gemstone Primary

Comments on the commodity information

  • PRESENT AS EUHEDRAL CRYSTALS AND AS ROUNDED GRAINS.

Materials information

Materials Type of material
Apatite Gangue
Magnetite Gangue

Alteration

  • (Local) The Olivine Is Remarkably Free From Alteration, Occasionally Showing A Slight Yellow Stain Due To Iron Oxide.

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
    Stratigraphic age (youngest) Pleistocene

Nearby scientific data

(1) -110.49374, 33.33037
ListMap

Ore body information

  • General form NODULES, IRREGULARLY SHAPED MASSES
    Thickness 4.57M

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Both metallic and non-metallic
Deposit size Small
Significant No

Comments on the production information

  • THIS SITE HAS BEEN DESCRIBED AS THE MOS PRODUCTIVE PERIDOT LOCALITY IN NORTH AMERICA.

Reserves and resources

  • Type In-situ
    Estimate year 1977
    Total resources 8,000mt ore
    Commodity Subtype Grade units Group Importance Year
    Olivine Olv 42 wt-pct Olivine Major 1977

Comments on the workings information

  • MINED INTERMITTENTLY BY INDIVIDUALS (UP TO 50) WHO WORK SCATTERED PORTIONS OF THE DEPOSIT USING HAND METHODS. ALSO MINED BY 5-10 PERSON OPERATIONS THAT ARE MORE MECHANIZED. MOST STONES ARE GATHERED FROM DEBRIS RESULTING FROM THE EROSION OF BASALT. PRIME LOCATIONS ARE AROUND THE RIM OF THE VOLCANIC CONE, IN WASHES ADJACENT TO THE CONE, AND IN SMALL CANYONS THAT BREACH THE NORTH RIM OF THE MESA.

Comments on development

  • ECON.COM: THE OLIVINE ZONE SHOULD MAINTAIN A MINIMUM OLIVINE CONTENT OF 30% TO BE ECONOMICAL.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS TC10730

Bibliographic references

  • Deposit

    BROMFIELD, C.S., AND SHRIDE, A.F., 1956, MINERAL RESOURCES OF THE SAN CARLOS INDIAN RESERVATION ARIZONA: U.S. GEOLOGICAL SURVEY BULLETIN 1027-N, P. 613-691.

  • Deposit

    RABB, D.D., AND VUICH, J.S., 1975, SAN CARLOS INDIAN RESERVATION PERIDOT MINE: INSPECTION REPORT B75-2, ARIZONA BUREAU OF MINES, UNIVERSITY OF ARIZONA, TUCSON, 34 P.

  • Deposit

    MOORE, R.T., AND VUICH, J.S., 1977, AN EVALUATION OF THE OLIVINE RESOURCES OF THE SAN CARLOS APACHE INDIAN RESERVATION AND RECOMMENDATIONS FOR POTENTIAL DEVELOPMENT. NADSAT PROJECT COMPLETION REPORT NO. 1; ARIZONA BUREAU OF MINES, 34 P.

  • Deposit

    PEIRCE, H.W., 1990, ARIZONA GEOLOGICAL SURVEY INDUSTRIAL MINERALS CARD FILE.

  • Deposit

    PEIRCE, H.W., 1969, GEM MATERIALS, IN USGS, ABM, AND USBR, MINERAL AND WATER RESOURCES OF ARIZONA: ABM BULLETIN 180, USGS BULLETIN 871, P. 359.

  • Other Database

    CIMRI

  • Reserve-Resource

    MOORE, AND VUICH, 1977, P. 13.

General comments

Subject category Comment text
Deposit THE ELLIPSOIDAL SEGREGATIONS CONTAINING THE PERIDOT MAKE UP 25 TO 40 PERCENT OF THE ROCK VOLUME AND AVERAGE 3 TO 8 INCHES IN MAXIMUM DIAMETER.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1990 Bolm, Karen S. U.S. Geological Survey
Updater 01-DEC-1992 Orris, Greta J. U.S. Geological Survey