Royal Flush; Adler Mine, Fairbanks Mining District, Fairbanks North Star Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Royal Flush; Adler Mine | Mine |
| Fairbanks Mining District | Mining District |
| Fairbanks North Star Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
64° 53' 6'' North , 147° 59' 9'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Ester | 2,422 (2011) | 4.4km |
| College | 12,964 (2011) | 9.2km |
| South Van Horn | 558 (2017) | 12.6km |
| Fairbanks | 32,325 (2017) | 13.8km |
| Farmers Loop | 4,853 (2017) | 13.8km |
Location: The Royal FLush mine is located in the NE1/4SE1/4 sec. 29, T. 1 N., R. 2 W., Fairbanks Meridian. This mine is located in the Happy Creek Valley at an elevation of about 870 feet; it is about 2 miles east-northeast of the top of Ester Dome. This mine is locality 16 of Cobb (1972 [MF 410]).
Geology: Prior to 1969, 208 tons of ore averaging $47.50 of gold per ton was produced from a 3-foot-wide vein that strikes N. 42 E. and dips 70 W. (Chapman and Foster, 1969, p. D18). In 1987, a 350-foot-long section of the Adler vein was excavated to a depth of approximately 27 feet, and 5,000 tons of ore with assays ranging from 0.005 to 3.5 ounces of gold per ton were stockpiled for future crushing and leaching (Bundtzen and others, 1988, p. 20). The gold was reported to be between 774 and 830 fine (Glover, 1950). Although a description of the ore is not given in any references to the Adler property, it is assumed that the Adler vein is a schist-hosted gold quartz vein, as are the other prospects in the area.
Workings: In 1987, a 350-foot-long section of the Adler vein was excavated to a depth of approximately 27 feet, and 5,000 tons of ore with assays ranging from 0.005 to 3.5 ounces of gold per ton were stockpiled for future crushing and leaching (Bundtzen and others, 1988, p. 20). Two thousand feet of 3-inch blast hole drilling was also completed in 1987.
Production: Prior to 1969, 208 tons of ore averaging $47.50 in gold per ton was produced from a 3-foot-wide vein that strikes N. 42 E. and dips 70 W. (Chapman and Foster, 1969, p. D18). In 1987, five thousand tons of ore with assays ranging from 0.005 to 3.5 ounces of gold per ton were stockpiled for future crushing and leaching (Bundtzen and others, 1988, p. 20).
Commodities (Major) - Au
Development Status: Yes; small
Deposit Model: Schist-hosted gold-quartz vein
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
1 valid mineral.
Gallery:
Other Databases
| Link to USGS - Alaska: | FB054 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- North America PlatformPassive Margin
- Yukon-Tanana lower DomainDomain
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