Unnamed Occurrence (ARDF - BR004; east-southeast of Racquet Creek), Black Mining District, Yukon-Koyukuk Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - BR004; east-southeast of Racquet Creek) | - not defined - |
| Black Mining District | Mining District |
| Yukon-Koyukuk Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
66° 23' 56'' North , 141° 1' 44'' West
Latitude & Longitude (decimal):
Köppen climate type:
Mindat Locality ID:
200571
Long-form identifier:
mindat:1:2:200571:6
GUID (UUID V4):
3afb9149-5924-44bd-9ea5-ba22b39bca58
Location: The approximate location of this occurrence is about 1.5 miles east-southeast of the mouth of Racquet Creek, in the SE1/4 section 11, T. 18 N., R. 31 E., of the Fairbanks Meridian. The location is accurate within 1 mile.
Geology: Minor molybdenite occurs in a hornfels zone adjacent to a small granitic stock; samples of the hornfels also contain up to 75 ppm tungsten (Doyon Limited, 1987). The general area is underlain by the Lower Cambrian to Proterozoic, Tindir Group, which is predominantly carbonate, quartzite, argillite, and subordinate volcanic rocks. The Tindir Group rocks have been thrust over undivided cherty limestone, shale, and other clastic rocks of Triassic to Missippian age (Dover, 1994).
Alteration: Hornfels.
Commodities (Major) - Mo; (Minor) - W
Development Status: No
Deposit Model: Molybdenite in hornfels
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
2 valid minerals.
Detailed Mineral List:
| ⓘ Molybdenite Formula: MoS2 |
| ⓘ Scheelite Formula: Ca(WO4) |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Molybdenite | 2.EA.30 | MoS2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Scheelite | 7.GA.05 | Ca(WO4) |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Scheelite | Ca(WO4) |
| S | Sulfur | |
| S | ⓘ Molybdenite | MoS2 |
| Ca | Calcium | |
| Ca | ⓘ Scheelite | Ca(WO4) |
| Mo | Molybdenum | |
| Mo | ⓘ Molybdenite | MoS2 |
| W | Tungsten | |
| W | ⓘ Scheelite | Ca(WO4) |
Other Databases
| Link to USGS - Alaska: | BR004 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Eagle basinBasin
- Porcupine DomainDomain
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References
