Celadonia Group

Prospect in Alaska, United States with commodity Copper

Geologic information

Identification information

Deposit ID 10307380
Record type Site
Current site name Celadonia Group

Geographic coordinates

Geographic coordinates: -145.51549, 60.6556 (WGS84)
Relative position This prospect is at an elevation of about 2400 feet about 2 miles east of Snyder Mountain. It is in the W1/2 sec. 13, T. 14 S., R. 2 W., of the Copper River Meridian. Location of site accurate to within 1000 ft. This prospect corresponds to location C-20 of Jansons and others (1984).
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Bornite Ore
Malachite Ore

Alteration

  • (Local) Oxidation of copper sulfide.

Mineral occurrence model information

Model code 90
USGS model code 24a
Deposit model name Massive sulfide, Cyprus
Mark3 model number 11

Nearby scientific data

(1) -145.51549, 60.6556

Comments on the geologic information

  • Geologic Description = This prospect is hosted in interbedded volcanic and sedimentary rocks of the Tertiary Orca Group (Nelson and others, 1985). The deposit consists of three shear zones in volcanic rock that contain bornite and malachite (Jansons and others, 1984).
  • Age = Tertiary based on the age of the host rock.

Economic information

Economic information about the deposit and operations

Development status Prospect

Comments on exploration

  • Status = Inactive

Mining district

District name Copper River

Comments on the workings information

  • Workings / Exploration = Three open cuts reported (Jansons and others, 1984).

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Alaska Resource Data File ARDF CV050

Bibliographic references

  • Deposit

    Jansons, Uldis, Hoekzema, R.B., Kurtak, J.M., and Fechner, S.A., 1984, Mineral occurrences in the Chugach National Forest, Southcentral Alaska: U.S. Bureau of Mines Open-File Report 5-84, 218 p., 2 sheets, scale 1:250,000.

  • Deposit

    Nelson, S.W., Dumoulin, J. A., and Miller, M.L., 1985, Geologic map of the Chugach National Forest, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-1645-B, scale 1:250,000.

  • Deposit

    Nelson, S.W., Dumoulin, J. A., and Miller, M.L., 1985, Geologic map of the Chugach National Forest, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-1645-B, 16 p., 1 sheet, scale 1:250,000.

Comments on the references

  • Primary Reference = Jansons and others, 1984

General comments

Subject category Comment text
Deposit Model Name = Possibly Cyprus massive sulfide (Cox and Singer, 1986; model 24a)
Deposit Other Comments = Site is in the Chugach National Forest.

Reporter information

Type Date Name Affiliation Comment
Reporter 10-JUN-00 S.W. Nelson U.S. Geological Survey