Unnamed Occurrence (ARDF - WI141; northeast of Heart Mountain), Koyukuk Mining District, Yukon-Koyukuk Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - WI141; northeast of Heart Mountain) | - not defined - |
| Koyukuk Mining District | Mining District |
| Yukon-Koyukuk Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
67° 6' 12'' North , 152° 18' 3'' West
Latitude & Longitude (decimal):
Köppen climate type:
Mindat Locality ID:
201956
Long-form identifier:
mindat:1:2:201956:0
GUID (UUID V4):
fa213b88-94f3-4677-9620-28913dbd27f7
Location: This occurrence is located about 5 miles east-northeast of the summit of Heart Mountain. It is about 0.2 miles southwest of the center of section 1, T. 26 N., R. 22 W., of the Fairbanks Meridian. The occurrence is sample 78 in Dillon and others (1981 [AOF 133B]). The location is accurate.
Geology: This occurrence consists of azurite and finely disseminated chalcopyrite in brown-green, aphanitic greenstone (Dillon and others, 1981 [AOF 133B]). A grab sample contains more than 50 ppm tungsten, but no copper. The area is underlain by Devonian to lower Jurassic, mafic volcanic rocks (Dillon and others, 1986).
Workings: Only surface sampling.
Alteration: Oxidation of copper mineral.
Commodities (Major) - Cu; (Minor) - W
Development Status: None
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:
| ⓘ Azurite Formula: Cu3(CO3)2(OH)2 |
| ⓘ Chalcopyrite Formula: CuFeS2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Azurite | 5.BA.05 | Cu3(CO3)2(OH)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| C | Carbon | |
| C | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| O | Oxygen | |
| O | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| S | Sulfur | |
| S | ⓘ Chalcopyrite | CuFeS2 |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Cu | Copper | |
| Cu | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
Other Databases
| Link to USGS - Alaska: | WI141 |
|---|
Other Regions, Features and Areas containing this locality
North America
- Brooks RangeMountain Range
- Rocky MountainsMountain Range
North America PlateTectonic Plate
- Brooks Range DomainDomain
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References
