The Ready Bullion 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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Ready Bullion MRDS details
Site Name
Primary: Ready Bullion
Commodity
Primary: Gold
Location
State: Alaska
District: Fairbanks
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
Not available
Orebody
Not available
Structure
Not available
Alterations
Alteration Text: Pervasive oxidation, attributed to weathering, is prevalent to depths of as much as approximately 50 to 75 meters (Rogers and others, 1998). Fine-grained, botryoidal, chalcedonic quartz coated with magnesium oxide is associated with the oxidation. The rocks have been subjected to pervasive sericitic and silicic, hydrothermal alteration, and contain silicic and stockwork quartz-sericite-sulfide veins (Rogers and others, 1998).
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Gold
Comments
Comment (Workings): Workings / Exploration = From 1990 to 1992, American Copper and Nickel Co. (ACNC) collected soil samples from the prospect (Rogers and others, 1998). Airborne geophysical surveys were conducted by the State of Alaska and a more detailed ground VLF survey was performed by ACNC. Placer Dome Exploration, Inc., conducted trench sampling and drilling in 1998. Prior to Placer Dome's work, Silverado Gold Mines, Ltd. also conducted trenching and drilling.
Comment (Reference): Primary Reference = Rogers and others, 1998
Comment (Deposit): Model Name = Schist-hosted gold-quartz veins associated with northeast-trending high-angle faults.
Comment (Geology): Geologic Description = The Ready Bullion prospect is in the Muskox sequence that consists of metamorphosed andesite, basalt, rhyolite and sandstone that have been subjected to amphibolite-grade metamorphism and have retrograded to greenschist facies (Newberry and others, 1996). In 1998, drilling by Placer Dome Exploration, Inc., determined that the Muskox sequence becomes more mafic, phyllitic, fine-grained, and calcareous at depth (Rogers and others, 1998). The Muskox sequence is bounded to the northwest and southeast by northeast-trending high-angle faults. It has been down-dropped and brought into contact with Fairbanks Schist. The Muskox sequence is itself cut by numerous northeast-trending, high-angle faults. Drilling by Placer Dome Exploration, Inc., determined that these high-angle structures dip steeply to the southeast and northwest. Primary exploration targets have been these northeast-trending, high-angle faults that contain gold-bearing, altered and mineralized gouge (Rogers and others, 1998). Pervasive oxidation, attributed to weathering is prevalent to depths of as much as approximately 50 to 75 meters (Rogers and others, 1998). Fine-grained, botryoidal, chalcedonic quartz coated with magnesium oxide is associated with the oxidation. The rocks have been subjected to pervasive sericitic and silicic, hydrothermal alteration, and silicic and stockwork quartz-sericite-sulfide veins (Rogers and others, 1998). From 1990 to 1992, American Copper and Nickel Co. collected soil samples that contained gold values in excess of 500 ppb gold from the prospect (Rogers and others, 1998). Placer Dome conducted trench sampling in 1998 to follow up targets identified by Silverado Gold Mines, Ltd. Silverado's trenching program totalled 7,600 feet of channel samples that had a weighted average grade of 0.041 ounce per ton gold (Rogers and others, 1998). Placer Dome's work found that ore-grade material (greater than 1 ppm gold) was restricted to fault zones containing sericitically altered and silicified gouge with arsenopyrite mineralization. The surrounding host rock typically contained less than 100 ppb gold (Rogers and others, 1998).
Comment (Exploration): Status = Inactive
References
Reference (Deposit): Newberry, R.J., Bundtzen, T.K., Clautice, K.C., Combellick, R.A., Douglas, T., Laird, G.M., Liss, S.A., Pinney, D.S., Reifenstuhl, R.R., and Solie, D.N., 1996, Preliminary geologic map of the Fairbanks mining district, Alaska: Alaska Division of Geological and Geophysical Surveys Public Data File 96-16, 17 p., 2 sheets, scale 1:63,360.
Reference (Deposit): Rogers, J.A., McCoy, D. T., Nerup, M., Yuengling, K., Bean, K., Cameron, C., Grahm, G., Frantz, P., and Athey, J., 1998, Placer Dome-Silverado lease, 1998 annual report for Ester Dome: 68 p. (Report held by Range Minerals, Inc., North Pole, AK 99705.)
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