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Mexican Hat Project

Prospect in Cochise county in Arizona, United States with commodities Gold, 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. Alteration
  8. Nearby scientific data
  9. Geologic structures
  10. Economic information about the deposit and operations
  11. Mining district
  12. Ownership information
  13. Reserves and resources
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10097334
MRDS ID TC00060
Record type Site
Current site name Mexican Hat Project

Geographic coordinates

Geographic coordinates: -109.80898, 31.80346 (WGS84)
Location accuracy 100(meters)
Relative position AROUND MEXICAN HAT MOUNTAIN; 2 MILES N OF COURTLAND, Acc, Used Mexican Hat Mountain Which Is Within The Zone

Site location context

Political divisions (FIPS codes)

Cochise(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Turquoise Mountain(quadrangle 1:24,000 scale)

Chiricahua Peak(quadrangle 1:100,000 scale)

Douglas(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Whitewater Draw(hydrologic unit)

Rio De Bavispe(hydrologic accounting unit)

Sonora(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Cochise

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 019S 025E 4;9 Arizona

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Alteration

  • (Local) Oxidation Extends To A Depth Of At Least 500 Ft; Argillic Alteration

Nearby scientific data

(1) -109.80898, 31.80346
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Victoria Fault

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Small
Significant Yes

Mining district

District name Turquoise District

Ownership information

  • Type Operator
    Owner Placer Dome U. S., Inc.
  • Type Owner
    Owner Oneida Resources Inc., Placer Dome U. S., Inc.

Reserves and resources

  • Type In-situ
    Estimate year 1989
    Total resources 4000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 0.988 g/mt Gold Major 1989

Comments on the reserve resource information

  • ESTIMATE BASED ON 47 DRILL HOLES AND INVOLVES ONLY RESOURCES TO A DEPTH OF 600 FT. 50% AVERAGE DILUTION FACTOR ASSUMED.
  • OWNERS ARE CONFIDENT THAT RESERVES WILL BE INCREASED DURING THE SECOND PHASE OF EXPLORATION.

Comments on development

  • 20 REVERSE CIRCULATION HOLES AND ONE IN PROGRESS (1989); TRENCHING; PHASE 2 OF EXPLORATION ($865,000) IS TO BE COMPLETE BY FEBRUARY 1990, 34,000 FT OF EXPLORATION HOLES. ; ECON.COM: PLACER CAN EARN A 60% INTEREST; AU SHOULD BE AMENABLE TO RECOVERY BY LOW COST LEACHING. PLACER HAS DECIDED TO EXERCISE OPTION TO BUY 600,000 SHARES AT $2.25 PER SHARE.

Reference information

Bibliographic references

  • Deposit

    ONEIDA RESOURCES INC. REPORTS

  • Deposit

    NORTHERN MINER, 1989, PLACER CONTINUES WITH MEXICAN HAT: V. 75, NO. 29, P. 13.

  • Deposit

    EPLER, BILL, 1989, PLACER DOME STARTS SECOND EXPLORATION PHASE AT MEXICAN HAT: SOUTHWESTERN PAY DIRT, NO. 604, P. 5A.

  • Reserve-Resource

    EPLER, 1989, P. 5A.

General comments

Subject category Comment text
Deposit 2 TARGETS IDENTIFIED: (1) NEAR VICTORIA FAULT, ESPECIALLY WHERE IT INTERSECTS NORTH-TRENDING FAULTS (2)BULK-MINABLE OPEN PIT TARGET UNDER MEXICAN HAT PEAK, ZONE 500 FT NORTH-SOUTH AND 400 FT EAST-WEST WITH DEPTH TO 500 FT; AU MINERALIZATION ALMOST EXCLUSIVELY CONFINED TO STEEPLY DIPPING FAULTS AND FRACTURES, SEEMS RELATED TO FRACTURE DENSITY. SIX MAJOR GOLD-BEARING ZONES FOUND.

Reporter information

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