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Unnamed (Copper Creek)

Occurrence in Alaska, United States with commodity Copper
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Geologic information

Identification information

Deposit ID 10307288
Record type Site
Current site name Unnamed (Copper Creek)

Geographic coordinates

Geographic coordinates: -162.2033, 65.17937 (WGS84)
Relative position This occurrence is approximately located, possibly within two miles. According to the original description (Sainsbury, 1975, p. 92-93), malachite in dolomite occurs in the headwaters of Copper Creek. Copper Creek is an east-flowing drainage with headwaters on the ridge east of Camp Haven (Death Valley). The location used here differs from that of Gamble (1988; locality 39).
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Malachite Ore
Dolomite Gangue

Alteration

  • (Local) Dolomitization.

Nearby scientific data

(1) -162.2033, 65.17937
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Comments on the geologic information

  • Geologic Description = Sainsbury (1975, p. 92-93) very briefly describes this occurrence as schistose limestone, almost completely converted to dolomite, that carries visible malachite. The geologic map of the area (Till and others, 1986) shows Paleozoic marble on both sides of upper Copper Creek.
  • Age = Not known

Economic information

Economic information about the deposit and operations

Development status Occurrence

Comments on exploration

  • Status = Inactive

Mining district

District name Koyuk

Comments on the workings information

  • Workings / Exploration = There are no known workings or exploration activities in this area.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Alaska Resource Data File ARDF BN121

Bibliographic references

  • Deposit

    Sainsbury, C.L., 1975, Geology, ore deposits, and mineral potential of the Seward Peninsula, Alaska: U.S. Bureau of Mines Open-File Report 73-75, 108 p., 3 sheets, scale 1:250,000.

  • Deposit

    Till, A.B., Dumoulin, J.A., Gamble, B. ., Kaufman, D.S., and Carroll, P.I., 1986, Preliminary geologic map and fossil data, Soloman, Bendeleben, and southern Kotzebue quadrangles, Seward Peninsula, Alaska: U.S. Geological Survey Open-File Report 86-276, 10 p., 3 plates, scale 1:250,000.

  • Deposit

    Gamble, B.M., 1988, Non-placer mineral occurrences in the Solomon, Bendeleben, and southern part of the Kotzebue quadrangles, western Alaska: U.S. Geological Survey Map MF-1838-B, 13 p., 1 sheet, scale 1:250,000.

Comments on the references

  • Primary Reference = Sainsbury, 1975

General comments

Subject category Comment text
Deposit Model Name = Malachite in marble

Reporter information

Type Date Name Affiliation Comment
Reporter 15-MAR-99 Travis L. Hudson Applied Geology