Wiehl Mountain

Occurrence in Alaska, United States with commodities Antimony, Iron

Geologic information

Identification information

Deposit ID 10001416
MRDS ID A012161
Record type Site
Current site name Wiehl Mountain

Geographic coordinates

Geographic coordinates: -149.64334, 67.61971 (WGS84)
Relative position The Wiehl Mountain occurrence is low on the west flank of Wiehl Mountain approximately 3 1/4 miles southeast of the confluence of the Bettles and Middle Fork Koyukuk rivers (NE1/4 sec. 7, T. 32 N., R. 9 W., of the Fairbanks Meridian). The location was approximated from a 1:250,000-scale drawing in Dillon (1982) and is accurate within a 1-mile radius.
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Antimony Primary
Iron Secondary

Materials information

Materials Type of material
Hematite Ore
Pyrite Ore
Stibnite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Marble
    Rock unit name Skajit Limestone;Skajit Limestone
    Rock description Skajit Limestone;Skajit Limestone

Nearby scientific data

(1) -149.64334, 67.61971

Comments on the geologic information

  • Geologic Description = This occurrence is described as a vein containing fine-grained pyrite, hematite, and possibly a little stibnite in a carbonate gangue (Dillon, 1982). No other descriptive information is available for this occurrence. The country rocks near the occurrence are Devonian to Silurian(?) marble overlying and in fault contact with Ordovician black phyllite and marble and Ordovician to Cambrian(?) marble (Dillon and Reifenstuhl, 1995). The host for the mineralization was not specified.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Koyukuk

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A012161
USGS Alaska Resource Data File ARDF CH075

Bibliographic references

  • Deposit

    Dillon, J.T., 1982, Source of lode and placer gold deposits of the Chandalar and upper Koyukuk Districts: Alaska Division of Geological and Geophysical Surveys Open-File Report 158, 25 p., 1 sheet, scale 1:250,000.

Comments on the references

  • Primary Reference = Dillon, 1982

General comments

Subject category Comment text
Deposit Other Comments = Possibly related to quartz-stibnite veins at Sukakpak Mountain (CH076).

Reporter information

Type Date Name Affiliation Comment
Reporter 17-NOV-1999 J.M. Britton U.S. Geological Survey