Unnamed Occurrence (ARDF - TN119; ridge between Allen and California Creeks), Hot Springs Mining District, Yukon-Koyukuk Census Area, Alaska, USAi
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Latitude & Longitude (WGS84):
65° 13' 59'' North , 150° 21' 32'' West
Latitude & Longitude (decimal):
Köppen climate type:
Location: This occurrence is at an elevation of about 2,150 feet, at the top of a southwest-trending ridge between Allen and California Creeks. The site is at Alaska Division of Geological and Geophysical Surveys (ADGGS) sample station 97SL015B (Liss and others, 1998), in the northeast quarter of section 26, T. 5 N., R. 14 W., of the Fairbanks Meridian. The location is accurate within 500 feet.
Geology: Bedrock on the ridge between Allen and California creeks consists of Triassic to Permian conglomerate, argillite, sandstone, and shale (Reifenstuhl and others, 1998). The rocks form a northeast-trending syncline that is in thrust-fault contact with Mesozoic metasedimentary rocks to the south and with Paleozoic or older rocks to the north. Cretaceous monzodiorite crops out about 2 miles south and southeast of this area (Reifenstuhl and others, 1998). A sample (97SL015B) of conglomerate on the ridgeline between Allen and California creeks contained 300 parts per million (ppm) gold, 1,015 ppm copper, 13.95 percent iron, 2,810 ppm phosphorous, and 814 ppm zinc (Liss and others, 1998). The sample was not visibly altered or mineralized. There is no record of exploration or mining at this site.
Workings: A sample (97SL159) of a gouge zone in shale and siltstone on the west side of Silverbow Creek near its junction with Hutlinana Creek contained 1,210 parts per million (ppm) arsenic, 1,270 ppm phosphorous, and 38 ppm antimony (Liss and others, 1998). A sample (97SL158b) of a quartz vein at this site contained 190 ppm arsenic. There is no record of exploration or mining at this site.
Commodities (Major) - Au, Cu, Zn; (Minor) - Fe, P
Development Status: None
Deposit Model: Possibly epithermal or mesothermal veins.
Commodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.List of minerals for each chemical element
Other Databases
| Link to USGS - Alaska: | TN119 |
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Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Arctic AlaskaPassive Margin
- Wickersham DomainDomain
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