The Unnamed (northeast of mouth of Walla Walla Creek) is a copper 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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Unnamed (northeast of mouth of Walla Walla Creek) MRDS details
Site Name
Primary: Unnamed (northeast of mouth of Walla Walla Creek)
Commodity
Primary: Copper
Location
State: Alaska
District: Council
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Calc-silicate development may be present.
Rocks
Not available
Analytical Data
Not available
Materials
Gangue: Tourmaline
Comments
Comment (Workings): Workings / Exploration = There are no known workings or exploration activities at this locality.
Comment (Geology): Age = Not known; probably mid-Cretaceous or younger. K/Ar ages for the nearby Darby pluton are 88.3 +/- 1.5 and 92.8 +/- 2.6 Ma (Berry and others, 1976).
Comment (Reference): Primary Reference = Gamble, 1988
Comment (Deposit): Model Name = Tourmaline-bearing skarn in marble.
Comment (Geology): Geologic Description = A tourmaline-bearing skarn was noted at this location (Gamble, 1988). Bedrock here is Paleozoic marble and the Darby pluton is exposed about 2.4 miles to the northwest (Till and others, 1986).
Comment (Exploration): Status = Inactive
References
Reference (Deposit): Gamble, B.M., 1988, Non-placer mineral occurrences in the Solomon, Bendeleben, and southern part of the Kotzebue quadrangles, western Alaska: U.S. Geological Survey Map MF-1838-B, 13 p., 1 sheet, scale 1:250,000.
Reference (Deposit): Till, A.B., Dumoulin, J.A., Gamble, B. ., Kaufman, D.S., and Carroll, P.I., 1986, Preliminary geologic map and fossil data, Soloman, Bendeleben, and southern Kotzebue quadrangles, Seward Peninsula, Alaska: U.S. Geological Survey Open-File Report 86-276, 10 p., 3 plates, scale 1:250,000.
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