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Holmason and Helde

Prospect in Alaska, United States with commodity Copper
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Geologic information

Identification information

Deposit ID 10001965
MRDS ID A012808
Record type Site
Current site name Holmason and Helde
Related records 10111624

Geographic coordinates

Geographic coordinates: -165.36162, 64.72457 (WGS84)
Relative position The Holmason and Helde lode prospect is at an elevation of about 350 feet in the headwaters of an unnamed east tributary to Goldbottom Creek. It is 0.8 mile due east of the Snake River road, in the NW1/4 section 7, T. 9 S., R. 33 W., Kateel River Meridian. This is locality 6 of Hummel (1962 [MF 247]) and 34 of Cobb (1972 [MF 463], 1978 [OFR 78-93]).
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore

Alteration

  • (Local) Oxidation?

Nearby scientific data

(1) -165.36162, 64.72457
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Comments on the geologic information

  • Geologic Description = Hummel (1962 [MF 247, locality 6]) reported copper and iron sulfides at this site. The deposit is near the contact between graphitic mica schist and graphitic quartz schist (mapping by Kennecott Exploration Co., 1994-5). Some marble occurs in the graphitic mica schist unit. No other information about the prospect is available.

Economic information

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Nome

Comments on the workings information

  • Workings / Exploration = Some surface prospecting pits may be present.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A012808
USGS Alaska Resource Data File ARDF NM290

Bibliographic references

  • Deposit

    Hummel, C.L., 1962, Preliminary geologic map of the Nome C-1 quadrangle, Seward Peninsula, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-247, 1 sheet, scale 1:63,360.

  • Deposit

    Cobb, E.H., 1972, Metallic mineral resources map of the Nome quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-463, 2 sheets, scale 1:250,000.

  • Deposit

    Cobb, E.H., 1978, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Nome quadrangle, Alaska: U.S. Geological Survey Open-File report 78-93, 213 p.

Comments on the references

  • Primary Reference = Hummel, 1962 (MF 247)

Reporter information

Type Date Name Affiliation Comment
Reporter 10-JUL-00 Hawley, C.C. Hawley Resource Group
Reporter 10-JUL-00 Travis L. Hudson Hawley Resource Group