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Black Creek Occurrence

Occurrence in Alaska, United States with commodities Copper, Gold
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Geologic information

Identification information

Deposit ID 10003057
MRDS ID A015582
Record type Site
Current site name Black Creek Occurrence

Geographic coordinates

Geographic coordinates: -153.86853, 66.09124 (WGS84)
Location accuracy 250(meters)
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Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS MF-458, LOC. 4. DEPOSIT ON NW HEADWALL OF BLACK CREEK, A TRIBUTARY OF INDIAN RIVER. SEE REF. 2, P. 4, LOC. 7, 8. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Copper Primary
Gold Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Gold Ore

Analytical data

Result ANOMALOUS CU IN GRAB SAMPLES OF BEDROCK, BUT DETECTABLE AU IN ONLY TWO.

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock

Nearby scientific data

(1) -153.86853, 66.09124
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Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A015582

Bibliographic references

  • Deposit

    USGS MF-458 (A-2), LOC. 4

  • Deposit

    USGS C 570, P. 4-6

  • Deposit

    USGS OF 75-267, P. 6.

General comments

Subject category Comment text
Deposit DISSEMINATED PYRITE AND CHALCOPYRITE IN MESOZOIC METAVOLCANIC ROCKS AND LATE-STAGE APLITES NEAR A CRETACEOUS GRANODIORITE-QUARTZ MONZONITE PLUTON AT HEAD OF CREEK.
Deposit THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1987 Powers, M.T. (Huber, D.F.) U.S. Geological Survey
Editor 20-SEP-1994 Mosier, Dan U.S. Geological Survey PARSED OUT HOST ROCK AND ASSOCIATED ROCK TYPES, AGES, UNIT NAMES, AND UNIT AGES.