Ullrich (Judy and Deb Bench claims)

The Ullrich (Judy and Deb Bench claims) 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: Ullrich (Judy and Deb Bench claims)

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 = Alluvial placer Au; high-level bench deposit (Cox and Singer, 1986; model 39a).

Comment (Reference): Primary Reference = This report

Comment (Exploration): Status = Probably inactive

Comment (Geology): Age = Probably Pleistocene; possibly Tertiary.

Comment (Workings): Workings / Exploration = The claims were mined hydraulically, probably as recently as the 1960s.

Comment (Geology): Geologic Description = A high-level (bench) gold placer was discovered and probably mined as recently as the 1960,s. The claims were surveyed for patent in 1976, and two were patented in 1977. The main placer pit is excavated subparallel to a south-trending gulch into Glacier Creek; it is on the Judy Bench. Numerous pits were excavated on the upper Deb Bench claim where there are sparsely scattered, rounded granitic boulders. Most of the production from the mine was from the lower Judy Bench, but exploration cuts and granitic boulders are found at least to about 650 feet elevation, similar to some of the high-level benches near Dexter (NM246, NM247, and NM248). The origin of the high-level bench placers is uncertain, but they predate, and furnished placer gold to, younger alluvial placers such as Glacier Creek (NM220) and Anvil Creek (NM236).

References

Reference (Deposit): U.S. Mineral Survey No. 2271 by Maurice Oswald, 1976, patent granted April 19, 1977 (available at the U.S. Bureau of Land Management, Anchorage).

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