The Unnamed (on Candle Creek) 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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Unnamed (on Candle Creek) MRDS details
Site Name
Primary: Unnamed (on Candle Creek)
Commodity
Primary: Gold
Secondary: Antimony
Secondary: Copper
Secondary: Mercury
Secondary: Silver
Location
State: Alaska
District: McGrath
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Model Name: Porphyry Cu-Au
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Ankerite, epidote, and sericite.
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Cinnabar
Ore: Chalcopyrite
Ore: Arsenopyrite
Gangue: Quartz
Gangue: Dolomite
Comments
Comment (Exploration): Status = Inactive
Comment (Geology): Age = Inferred to be 69.7 Ma, based on a sericite age from Candle pluton (Bundtzen and Miller, 1997).
Comment (Reference): Primary Reference = Bundtzen and Miller, 1997
Comment (Reserve-Resource): Reserves = None known.
Comment (Workings): Workings / Exploration = Exploration work by ACNC Inc. in 1989 and 1990 discovered an elliptically shaped, 600 meter by 45 meter zone of anomalous gold (up to 200 ppb) and mercury(up to 5,000 ppb) values in soils. Selected samples collected by ACNC Inc. during a follow-up trenching and drill program (totaling about 700 meters of diamond core) yielded values of up to 3.76 g/tonne gold in measured drill intercepts. ASA Inc. completed additional drilling into the prospect in 1995, but specific exploration results of these efforts are unknown.
Comment (Deposit): Model Name = Porphyry copper-gold (Cox and Singer, 1986; model 20c).
Comment (Geology): Geologic Description = The prospect consists of copper-gold-silver-arsenic-, and mercury-bearing, mineralized zones that occur in plutonic rocks of the Candle Hills volcanic-plutonic complex (Bundtzen and Miller, 1997). The Candle Hills pluton yielded a K-Ar biotite age of 69.7 Ma (Bundtzen and Laird, 1983). The lode prospect occurs upslope and upstream from the rich Candle Creek placer gold deposit, which produced about 4,304 kilograms (138,377 ounces) gold to 1997 (MG002). According to Bundtzen and Miller (1997), an ankerite-bearing alteration zone ranging from 5 to 16 meters thick can be traced for about 350 meters along a faulted (?) contact between an augite-rich, olivine monzonite and biotite quartz monzonite pluton and basaltic andesite. Thin quartz veinlets containing anomalous gold, antimony, arsenic, and mercury occur in a larger, 600 meter by 45 meter , elliptically shaped area with anomalous gold (200 ppb) and mercury (5,000 ppb) in soils. Selected samples collected by ACNC Inc. during a regional trenching and drilling program yielded values of up to 3.76 grams/tonne gold in measured drill intercepts. Nearby copper-bearing volcanics have yielded values of up to 313 ppm copper in disseminated chalcopyrite-epidote clots and stockwork veins.
References
Reference (Deposit): Bundtzen, T.K., and Laird, G.M., 1983, Geologic map of the McGrath D-6 quadrangle, Alaska: Alaska Division of Geological and Geophysical Surveys Geologic Report 79, 1:63,360 scale.
Reference (Deposit): Bundtzen, T.K., and Miller, M.L., 1997, Precious metals associated with Late Cretaceous-early Tertiary igneous rocks of southwestern Alaska, in Goldfarb, R.J., and Miller, L.D., eds., Economic Geology Monograph #9, Mineral Deposits of Alaska, p. 242-286.
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