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Unnamed (northeast of VABM Watana)

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

Identification information

Deposit ID 10003511
MRDS ID A106269
Record type Site
Current site name Unnamed (northeast of VABM Watana)
Alternate or previous names VABM Watana

Geographic coordinates

Geographic coordinates: -147.84275, 62.96961 (WGS84)
Relative position Head of unnamed creek, 1/2 mi (800 m) NNW of Benchmark 'Watana'; location accurate to within 1/2 mi (800 m).
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Copper Primary
Silver Secondary
Gold Secondary

Alteration

  • (Local) Silicification

Mineral occurrence model information

Model code 273
USGS model code 36a
Deposit model name Low-sulfide Au-quartz vein
Mark3 model number 27
Model code 58
USGS model code 18a
Deposit model name Porphyry Cu, skarn-related
Mark3 model number 9

Nearby scientific data

(1) -147.84275, 62.96961
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Comments on the geologic information

  • Geologic Description = Mineralization of metavolcanic and metasedimentary rocks of Mesozoic (?) age, including marble which has been locally silicified. Interpreted as a skarn deposit.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Valdez Creek

Comments on the workings information

  • Workings / Exploration = Analyses of selected rock samples yielded 3.0 ppm Ag, 0.02 ppm Au, 0.26% Cu (Balen, 1990).

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A106269
USGS Alaska Resource Data File ARDF TK037

Bibliographic references

  • Deposit

    Kurtak, J.M., Southworth, D.D., Balen, M.D., and Clautice, K.H., 1992, Mineral investigations in the Valdez Creek mining district, south-central Alaska: U.S. Bureau of Mines Open-File Report 1-92, 659 p., 2 plates, scale 1:250,000.

  • Deposit

    Balen, M.D., 1990, Geochemical sampling results from the Bureau of Mines investigations in the Valdez Creek mining district, Alaska: U.S. Bureau of Mines Open-File Report 34-90, 218 p., 2 plates, scale 1:250,000.

Comments on the references

  • Primary Reference = Balen, 1990

General comments

Subject category Comment text
Deposit Model Name = Gold-quartz veins or porphyry-copper skarn? (Cox and Singer, 1986; model 36a or 18a?)

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1996 Riehle, J. U.S. Geological Survey