Giant Claims

Past Producer in Pima county in Arizona, United States with commodities Tungsten, Molybdenum, Copper, Silver

Geologic information

Identification information

Deposit ID 10039530
MRDS ID M050227
Record type Site
Current site name Giant Claims
Alternate or previous names Giant Nos. 3-10, Giant Mine, Grand Mountain Claim

Geographic coordinates

Geographic coordinates: -111.67514, 31.66013 (WGS84)
Elevation 1021
Relative position ABOUT 2000 FT NE OF CHUIVAYA WELL
(click for info)

Geographic areas

Country State County
United States Arizona Pima

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 020S;020S 006E;007E 24,25;19,30 N OF CENTER (30) Arizona

Comments on the location information

  • TOWNSHIP UNSURVEYED

Commodities

Commodity Importance
Tungsten Primary
Molybdenum Primary
Copper Tertiary
Silver Tertiary

Comments on the commodity information

  • CA-AL SILICATES INHIBITS MAGNETIC SEPARATION OF CONCENTRATES

Materials information

Materials Type of material
Chrysocolla Ore
Malachite Ore
Powellite Ore
Scheelite Ore
Epidote Gangue
Zoisite Gangue

Analytical data

Result ZOISITE BEARING QUARTZITE BED ASSAYED 0.30% WO3 & 0.56% M003
Result GRAN D MOUNTAIN CLAIM AVERAGE 0.19% WO3 & 0.04% M003

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite

Nearby scientific data

(1) -111.67514, 31.66013

Geologic structures

Type of structure Local
Structure description Faulting In Quartzite Bed With Considerable Horizontal Displacemen T

Ore body information

  • General form IRREGULAR, LENSES
    Strike N
    Dip E TO W

Controls for ore emplacement

  • Irregular Disconnected Quartz Lenses In Porous Zoisite-Quartzite Be D

Comments on the geologic information

  • QUARTZITE BED IS 4-6 FT THICK. SCHEELITE OCCURS IN DISCONTINUOUS L ENSES

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1951
Discoverer Wm.H. Coplen

Comments on the workings information

  • NUMEROUS SMALL OPEN CUTS AND PITS

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS M050227

Bibliographic references

  • Deposit

    DALE, STEWART, & MCKINNY, 1960, USBM RI 5650

  • Deposit

    KEITH, 1974, ABM BULL 189

  • Other Database

    CIMRI

  • Production

    KEITH, 1974

General comments

Subject category Comment text
Deposit THIS RECORD REPRESENTS THE MERGER OF ORIGINAL RECORD M050227 WITH RECORD D000802 OF JAN WILT IN MOLYBDENUM FILE, CONTACT PERSON T.G. THEODORE, USGS ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1983 Peterson, Jocelyn A. U.S. Geological Survey