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Glacier Lake Prospect

Prospect in Alaska, United States with commodities Copper, Nickel, Gold, Silver
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Geologic information

Identification information

Deposit ID 10096777
MRDS ID A011795
Record type Site
Current site name Glacier Lake Prospect
Related records 10185779

Geographic coordinates

Geographic coordinates: -145.66356, 63.35244 (WGS84)
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Geographic areas

Country State
United States Alaska

Comments on the location information

  • BEST LOCATION: ADGGS GR 14, FIG. 4, LOC. 2 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991). ; INFO FROM LAND.ST :49?

Commodities

Commodity Importance
Copper Primary
Nickel Primary
Gold Secondary
Silver Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Pentlandite Ore

Analytical data

Result SAMPLES FROM DISSEMINATED ORE IN PERIDOTITE DIKES: 1.9-6.0% CU, 1.0-1.5% NI, TRACE TO 0.4 OZ/TON AU
Result MASSIVE SULFIDELENS: 1.1% CU, 6.6% NI, 0.04 OZ/TON AU
Result 3 FT CHIP SAMPLE ACROSS CONTACT OF PERIDOTITE DIKE IN DIORITE: 2.1% CU, 0.05% NI, TRACE AU, 0.35 OZ/TON AG
Result ONE SAMPLE CONTAINED 8.1% NI
Result ADGGS GR2, P. 72, ADGGS GR 14, P. 25

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -145.66356, 63.35244
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Comments on the geologic information

  • SERPENTINIZED PERIDOTITE DIKES OCCUR IN NARROW SHEAR ZONE IN SILICIFIED DIORITE

Economic information

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Delta River

Comments on development

  • DISCOVERED IN 1962 BY R.B. FORBES OF THE UNIVERSITY OF ALASKA; ACTIVE CLAIMS REPORTED IN 1974

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011795

Bibliographic references

  • Deposit

    ADGGS GR 2, P. 71-72

  • Deposit

    ADGGS GR 14, P. 25

  • Deposit

    USBM IC 8626, P. 16

  • Deposit

    USGS OFR 77-169A, P. 39, LOC. 35

General comments

Subject category Comment text
Deposit MASSIVE SULFIDE LENSES AND DISSEMINATIONS ALONG CONTACT BETWEEN PERIDOTITE DIKES AND DIORITE; LENSES COMPOSED OF 20-50% PYRRHOTITE, CHALCOPYRITE AND PENTLANDITE ASSOCIATED WITH QUARTZ

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1985 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey
Editor 14-APR-1994 Mosier, Dan U.S. Geological Survey