Nekula Gulch

The Nekula Gulch is a gold mine located in Alaska.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

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Site Name

Primary: Nekula Gulch
Secondary: Nicolai Gulch

Commodity

Primary: Gold

Location

State: Alaska
District: Nome

Land Status

Not available

Holdings

Not available

Workings

Not available

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant:

Physiography

Not available

Mineral Deposit Model

Model Name: Placer Au-PGE

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Gold

Comments

Comment (Geology): Geologic Description = Nekula Gulch heads in an area of auriferious high-level gravels that were drift mined at many places (for example, NM246). The nearby Caribou Bill mine (NM238) was very rich, contained coarse and angular gold, and was at least partly mined by surface operations. At Nekula Gulch, the 3-foot-thick gravels were gold-bearing throughout, but the richest pay was on bedrock. The Nekula Gulch placer was probably mostly derived from reworking the older, high-level gravels (Brooks and others, 1901; Collier and others, 1908; Moffit, 1913).? the Anvil Creek fault transects the area near Nekula Gulch. The Anvil Creek fault is a through-going, high-angle structure that juxtaposes pelitic and marble bedrock (Hummel, 1962 [MF 247]). Hummel mapped two strands of the Anvil Creek fault in this area; they are separated by graphitic strata. The bedrock is probably of early Paleozoic protolith age (Hummel, 1962 [MF 247]; Sainsbury, Hummel, and Hudson, 1972 [OFR 72-326]; Till and Dumoulin, 1994; Bundtzen and others, 1994). Hummel also mapped granitic sills in this area. Bundtzen and others (1994) propose that Nekula Gulch is largely underlain by felsic metavolcanic rocks.

Comment (Reference): Primary Reference = Collier and others, 1908

Comment (Workings): Workings / Exploration = Surface placer workings, dating back to 1900, are present on Nekula Gulch.

Comment (Deposit): Model Name = Alluvial placer Au (Cox and Singer, 1986; model 39a), at least partly formed by reworking high-level bench gravel.

Comment (Exploration): Status = Probably inactive

Comment (Geology): Age = Quaternary.

Comment (Deposit): Other Comments = Nekula Gulch is underlain mostly by felsic metavolcanic rocks that may be mineralized (also see Aurora Creek, NM147).

References

Reference (Deposit): Collier, A. J., Hess, F.L., Smith, P.S., and Brooks, A.H., 1908, The gold placers of parts of Seward Peninsula, Alaska, including the Nome, Council, Kougarok, Port Clarence, and Goodhope precincts: U.S. Geological Survey Bulletin 328, 343 p.

Reference (Deposit): Bundtzen, T.K., Reger, R.D., Laird, G.M., Pinney, D.S., Clautice, K.H., Liss, S.A., and Cruse, G.R., 1994, Progress report on the geology and mineral resources of the Nome mining district: Alaska Division of Geological and Geophysical Surveys, Public Data-File 94-39, 21 p., 2 sheets, scale 1:63,360.

Reference (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.

Reference (Deposit): Sainsbury, C.L., Hummel, C.L., and Hudson, Travis, 1972, Reconnaissance geologic map of the Nome quadrangle, Seward Peninsula, Alaska: U.S. Geological Survey Open-File Report 72-326, 28 p., 1 sheet, scale 1:250,000.

Reference (Deposit): Moffit, F.H., 1913, Geology of the Nome and Grand Central quadrangles, Alaska: U.S. Geological Survey Bulletin 533, 140 p.

Reference (Deposit): Brooks, A.H., Richardson, G. B., and Collier, A. J., 1901, Reconnaissance in the Cape Nome and Norton Bay regions, Alaska, in 1900: U.S. Geological Survey Special Publication, p. 1-180.

Reference (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.

Reference (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.

Reference (Deposit): Till, A.B., and Dumoulin, J.A, 1994, Geology of Seward Peninsula and St. Lawrence Island, in Plafker, G., and Berg, H.C., eds., The Geology of Alaska: Geological Society of America, The Geology of North America, DNAG, v. G-1, p. 141-152.

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