Unnamed Occurrence (ARDF - TN109; north spur of Bean Ridge), Hot Springs Mining District, Yukon-Koyukuk Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - TN109; north spur of Bean Ridge) | - not defined - |
| Hot Springs Mining District | Mining District |
| Yukon-Koyukuk Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
65° 2' 55'' North , 150° 42' 36'' West
Latitude & Longitude (decimal):
Köppen climate type:
Location: This occurrence is at an elevation of about 1,800 feet, on the north spur of Bean Ridge between Little Beauty and Blowback creeks. The site is at Alaska Division of Geological and Geophysical Surveys (ADGGS) sample station 97JD053 (Liss and others, 1998), about 0.4 mile north of the center of section 36, T. 3 N., R. 16 W., of the Fairbanks Meridian. The location is accurate within 500 feet.
Geology: Bedrock at this occurrence is mostly Lower Cretaceous sandstone, shale, and siltstone (Reifenstuhl and others, 1998). The northwestern contact of the Tertiary Hot Springs granite pluton and its hornfels aureole is 1 mile to the south. Samples (97JD053 and 97SL032) of thinly laminated shale, and of limonite gossan in dolomite between Blowback and Little Beauty creeks contained one or more of the following maximum values: 814 parts per million (ppm) arsenic, 13.8 percent iron, 2,780 ppm phosphorous, and 2,260 ppm zinc (Liss and others, 1998). There is no record of exploration or mining at this site.
Workings: Samples (97JD053 and 97SL032) of thinly laminated shale, and of limonite gossan in dolomite between Blowback and Little Beauty creeks contained one or more of the following maximum values: 814 parts per million (ppm) arsenic, 13.8 percent iron, 2,780 ppm phosphorous, and 2,260 ppm zinc (Liss and others, 1998). There is no record of exploration or mining at this site.
Commodities (Major) - Zn; (Minor) - As, Fe
Development Status: None
Deposit Model: Possibly epithermal, polymetallic, or mesothermal veins related to the Hot Spri
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
Detailed Mineral List:
| ⓘ 'Limonite' |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Unclassified | |||
|---|---|---|---|
| ⓘ | 'Limonite' | - | |
List of minerals for each chemical element
Other Databases
| Link to USGS - Alaska: | TN109 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Arctic AlaskaPassive Margin
- Wickersham DomainDomain
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