The Unnamed (near McDoel Peak) 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
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Unnamed (near McDoel Peak) MRDS details
Site Name
Primary: Unnamed (near McDoel Peak)
Commodity
Primary: Gold
Location
State: Alaska
District: Yentna
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
Model Name: Placer Au-PGE
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: The area is underlain by hydrothermally altered Mesozoic graywacke and argillite (Reed and others, 1978). Alteration mineralogy is not specified. However, based on its reported similarity to altered zones at Thunder Creek (TL032, TL058), it is most likely argillic alteration of Mesozoic sedimentary rocks.
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Gold
Comments
Comment (Reference): Primary Reference = Reed and others, 1978
Comment (Workings): Workings / Exploration = Reconnaissance mapping (Reed and Nelson, 1980), stream silt and rock sampling (Curtin, Karlson, O'Leary, Day, and McDanal,1978) has been done by the U.S. Geological Survey. Prospecting and sampling was done by prospectors and claim owners in the 1980s. Current claim status is not known.
Comment (Geology): Age = Pleistocene; gold in sediment samples may have been derived from zones within the KJs that are hydrothermally altered by one of the Late Cretaceous diorite/granodiorite (67.4 m.y.) Kichatna plutons (TKk) mapped by Reed and Nelson (1980).
Comment (Deposit): Model Name = Placer Au-PGE (Cox and Singer, 1986; model 39a).
Comment (Geology): Geologic Description = Curtin, Karlson, O'Leary, Day, and McDanal (1978) report gold (+30 ppm) in bulk heavy-mineral concentrate samples from stream gravels at this locality. The area is underlain by hydrothermally altered Mesozoic graywacke and argillite (KJs) and one of the small bodies of diorite/granodiorite assigned to the Late Cretaceous (67.4 m.y.) Kichatna plutons (TKk) (Reed and others, 1978; Reed and Nelson, 1980). The creek contains abundant float of vein quartz. Gold was not detected from the quartz material, but Reed and others (1978) report a pan concentrate yielded more than 30 colors of fine gold. They indicate that similar altered zones are observed along Dollar (TL031) and Thunder Creeks (TL032, TL058), at the headwaters of Treasure (TL030), Dutch (TL033) and Bear Creeks (TL017).
References
Reference (Deposit): Reed, B.L., Nelson, S.W., Curtin, G.C., and Singer, D.A., 1978, Mineral resources map of the Talkeetna Quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-870-D, 1 sheet, scale 1:250,000.
Reference (Deposit): MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous and selected non-metalliferous mineral deposits in the eastern part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-A, 99 p., 1 sheet, scale 1:1,000,000.
Reference (Deposit): Cobb, E.H., and Reed, B.L., 1980, Summaries of data and lists of reference to metallic and selected nonmetallic mineral deposits in the Talkeetna quadrangle, Alaska: U.S. Geological Survey Open-File Report 80-884, 106 p.
Reference (Deposit): Reed, B.L., and Nelson, S.W., 1980, Geologic map of the Talkeetna quadrangle: U.S. Geological Survey Miscellaneous Investigations Map I-1174, scale 1:250,000.
Reference (Deposit): Curtin, G.C., Karlson, R.C., O'Leary, R.M., Day, G.W., and McDanal, S.K., 1978, Geochemical and generalized geologic map showing the distribution of gold and silver, Talkeetna quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-870-E, 2 sheets, scale 1:250,000.
The Top Ten Gold Producing States
These ten states contributed the most to the gold production that built the West from 1848 through the 1930s. The Top Ten Gold Producing States.
