Second Beach (near the mouth of Cripple River)

The Second Beach (near the mouth of Cripple River) 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: Second Beach (near the mouth of Cripple River)

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 (Deposit): Model Name = Beach placer Au.

Comment (Geology): Geologic Description = A placer mine near the mouth of Cripple River was reported by Sainsbury and others (1972 [OFR 72-321]). The location is on the west side of Cripple River, about 1,500 feet inland from the mouth. It is inferred to be on a westward extension of Second Beach that was mined at many places on the coastal plain to the east. Second Beach deposits were originally marked by a moss-covered gravel escarpment about 35 feet above modern sea level. It contains quartz sand deposits with driftwood, fragments of walrus tusks, and marine shells (Collier and others, 1908; Moffitt, 1906, 1907). There was more garnet in Second Beach deposits than in those of Third Beach. Second Beach is commonly buried by a few feet of material that is commonly frozen. The raised beach deposit is essentially at the landward limit of the Pelukian marine transgression mapped by Bundtzen and others (1994). The amount of production is unknown at this site.

Comment (Geology): Age = Late Pleistocene.

Comment (Reference): Primary Reference = Sainsbury and others, 1972 (OFR 72-321)

Comment (Workings): Workings / Exploration = Some surface workings or dumps from drifting must be present.

Comment (Exploration): Status = Probably inactive

References

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): Moffit, F.H., 1907, The Nome region, Alaska: U.S. Geological Survey Bulletin 314-G, p. 126-145.

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): Sainsbury, C.L., Hudson, T.L., Ewing, Rodney, and Marsh, W.R., 1972, Reconnaissance geologic map of the Nome C-2 quadrangle, Seward Peninsula, Alaska: U.S. Geological Survey Open-File Report 72-321, 13 p., 1 sheet, scale 1:63,360.

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