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Glacier Creek

Prospect in Alaska, United States with commodities Silver, Gold, Copper, Lead, Zinc
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Geologic information

Identification information

Deposit ID 10308487
Record type Site
Current site name Glacier Creek

Geographic coordinates

Geographic coordinates: -147.62285, 63.97964 (WGS84)
Relative position The Glacier Creek claim block is at an elevation of about 4,400 feet, about midway between Sheep and Galcier creeks. The map site is in the SE1/4 of sec. 7, T. 11 S., R. 1 E., of the Fairbanks Meridian. The location is accurate to within 3,000 feet.
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Silver Primary
Gold Primary
Copper Primary
Lead Primary
Zinc Primary

Comments on the commodity information

  • Gangue = white mica

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Sphalerite Ore
Chlorite Gangue
Feldspar Gangue
Quartz Gangue

Mineral occurrence model information

Model code 185
USGS model code 28a
Deposit model name Massive sulfide, kuroko, (Precambrian)
Mark3 model number 103
Model code 184
USGS model code 28a
Deposit model name Massive sulfide, kuroko
Mark3 model number 93
Model code 186
USGS model code 28a
Deposit model name Massive sulfide, kuroko (Phanerozoic)
Mark3 model number 104

Host and associated rocks

  • Host or associated Host

Nearby scientific data

(1) -147.62285, 63.97964
ListMap

Comments on the geologic information

  • Geologic Description = The country rocks at the Glacier Creek prospect are the Lower Mississippian to Middle Devonian Totatlanika Schist, composed predominantly of mafic and felsic metavolcanic and metavolcaniclastic rocks, minor pelitic schist, and fossiliferous marble (Wilson and others, 1998). The deposit consists of stratabound lenses of massive sulfides in strongly altered rhyolite schist (www.grayd.com, 1999). The sulfide minerals are chalcopyrite, galena, sphalerite. The hostrocks and stratabound massive sulfides indicate that the Galcier Creek prospect is a metamorphosed volcanogenic massive sulfide deposit.
  • Age = The sulfide minerals probably are syngenetic with their Lower Mississippian to Middle Devonian host rocks.

Economic information

Economic information about the deposit and operations

Development status Prospect

Comments on exploration

  • Status = Active

Comments on the workings information

  • Workings / Exploration = At least three holes were drilled in the late 1990's, along with surface mapping and geochemical sampling.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Alaska Resource Data File ARDF HE102

Bibliographic references

  • Deposit

    Wilson, F.H., Dover, J.H., Bradley, D.C., Weber, F.R., Bundtzen, T.K., and Haeussler, P.J., 1998, Geologic map of central (interior) Alaska: U.S. Geological Survey Open-File Report 98-133, 17 p., 2 sheetsm, scale 1:500,000.

Comments on the references

  • Primary Reference = www.grayd.com, 1999

General comments

Subject category Comment text
Deposit Model Name = Kuroko massive sulfide (Cox and Singer, 1986; model 28a)

Reporter information

Type Date Name Affiliation Comment
Reporter 07-APR-2000 N. Van Wyck (Stevens Exploration Management Corporation) Stevens Exploration Management Corporation