Unnamed Prospect

Occurrence in Alaska, United States with commodities Copper, Lead

Geologic information

Identification information

Deposit ID 10001933
MRDS ID A012767
Record type Site
Current site name Unnamed Prospect

Geographic coordinates

Geographic coordinates: -163.87972, 65.1985 (WGS84)
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Geographic areas

Country State
United States Alaska

Comments on the location information

  • BRISKEY, J.A., 1983, UNPUB. USGS ADMIN. REPT., FIG. 12, LOC. SP8-20-82. 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
Lead Primary

Materials information

Materials Type of material
Azurite Ore
Chalcopyrite Ore
Chrysocolla Ore
Covellite Ore
Galena Ore
Malachite Ore
Limonite Gangue
Pyrite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Marble

Nearby scientific data

(1) -163.87972, 65.1985

Comments on the geologic information

  • SILICIFIED CONTACT BETWEEN MARBLE AND AMPHIBOLITE SCHIST; SPATIALLY ASSOCIATED WITH RHYOLITC AND MONZONITIC INTRUSIVES.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1982
Discoverer Usgs

Mining district

District name Council/Niukluk-Pargon River Area

Comments on the workings information

  • CAVED ADIT ALONG CONTACT ZONE.

Comments on development

  • FOUND DURING AMRAP FIELD WORK; PREVIOUSLY UNREPORTED

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A012767

Bibliographic references

  • Deposit

    BRISKEY, J.A., 1983, UNPUB. USGS ADMIN. REPT., P. 24, LOC. SP8-20-82.

General comments

Subject category Comment text
Deposit COMPLEX INTERGROWTHS OF LIMONITE (REPLACING PYRITE AND CHALCOPYRITE), DRUSY COMB-QUARTZ, MALACHITE, CHRYSOCOLLA, AZURITE, CERUSSITE, CHALCOPYRITE, GALENA, COVELLITE, AND DUFTITE(?) IN TABULAR BODY OF SILICIFIED BRECCIA 0.5 M. WIDE; MINOR SILICIFIED GOUGE IN BRECCIA.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1987 Leonard, Kenneth R. (Huber, Donald F.) U.S. Geological Survey
Editor 02-SEP-1994 Mosier, Dan U.S. Geological Survey PARSED OUT HOST ROCK AND ASSOCIATED ROCK TYPES, AGES, UNIT NAMES, AND UNIT AGES.