Unnamed (in upper Geroe Creek)

Occurrence in Alaska, United States with commodity Zinc

Geologic information

Identification information

Deposit ID 10001414
MRDS ID A012159
Record type Site
Current site name Unnamed (in upper Geroe Creek)

Geographic coordinates

Geographic coordinates: -148.76333, 67.70973 (WGS84)
Relative position This site is at an elevation of about 4,200 feet on the west side of upper Geroe Creek approximately 16 miles north-northwest of Chandalar (site) and 15 miles west-northwest of the west end of Squaw Lake (sec. 6, T. 33 N., R. 5 W., of the Fairbanks Meridian). This site corresponds to unnamed loc. 86 in DeYoung (1978). The location is accurate within a 1-mile radius.
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Geographic areas

Country State
United States Alaska


Commodity Importance
Zinc Primary

Materials information

Materials Type of material
Sphalerite Ore

Nearby scientific data

(1) -148.76333, 67.70973

Comments on the geologic information

  • Geologic Description = Limited information described this occurrence only as sphalerite in a boxwork of veinlets found in float (DeYoung, 1978). The area is is mapped as peraluminous biotite-muscovite granite of the Baby Creek batholith. It is a few miles northeast of the Geroe Creek porphyry Cu-Mo property (CH053) and adjoins an unidentified large claim block (U.S. Bureau of Mines, 1973) that is immediately northeast of the Geroe Creek prospect. There is no other information available on this prospect.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Chandalar

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A012159
USGS Alaska Resource Data File ARDF CH054

Bibliographic references

  • Deposit

    Grybeck, D.J., 1977, Known mineral deposits of the Brooks Range, Alaska: US Geological Survey Open-File Report 77-166C, 41 p., 1 sheet, scale 1:1,000,000.

  • Deposit

    DeYoung, J.H., Jr., 1978, Mineral resources map of the Chandalar quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-878-B, 2 sheets, scale 1:250,000.

  • Deposit

    Cobb, E.H., and Cruz, E.L., 1983, Summaries of data and lists of references to metallic and selected nonmetallic mineral deposits in the Chandalar quadrangle, Alaska: U.S. Geological Survey Open-File Report 83-278, 91 p.

Comments on the references

  • Primary Reference = Grybeck, 1977

General comments

Subject category Comment text
Deposit Other Comments = See also: Geroe Creek (CH053).

Reporter information

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