Unnamed Occurrence (ARDF - BD041; headwaters of Rick's Creek), Fairbanks Mining District, Fairbanks North Star Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - BD041; headwaters of Rick's Creek) | - not defined - |
| Fairbanks Mining District | Mining District |
| Fairbanks North Star Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
64° 49' 47'' North , 144° 57' 36'' West
Latitude & Longitude (decimal):
Köppen climate type:
Location: An occurrence noted by Albanese (1984) is located on a ridge in the headwaters of Rick's Creek (BD036). The approximate location of the occurrence is in NW1/4 section 16, T. 1 S., R. 14 E., of the Fairbanks Meridian. It was not identified as a separate location by Cobb (1972) or by Cobb and Eberlein (1980).
Geology: As reported by Albanese (1984), the occurrence is a pod of gossan containing arsenopyrite, chalcopyrite, and chalcopyrite in calc-silicate rock. Weber and others (1978) describe the country rock as quartzite, slate, calc-phyllite and marble. The occurrence is located near contact of a Tertiary to Cretaceous granodiorite to quartz monzonite intrusion. An assay of a rock sample contained 475 ppm Cu, 3 ppm Pb, 3 ppm Zn, 1.5 ppm Ag, 2 ppm Mo, 5 ppm Sn, greater than 1000 ppm W, 465 ppm As, and 1,330 ppm Mn (Albanese, 1984).
Workings: Occurrence noted during geologic mapping.
Commodities (Major) - W; (Minor) - Cu
Development Status: Undetermined.
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
4 valid minerals.
Detailed Mineral List:
| ⓘ Arsenopyrite Formula: FeAsS |
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| ⓘ | Arsenopyrite | 2.EB.20 | FeAsS |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Arsenopyrite | FeAsS |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Pyrite | FeS2 |
| Fe | Iron | |
| Fe | ⓘ Arsenopyrite | FeAsS |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Pyrite | FeS2 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| As | Arsenic | |
| As | ⓘ Arsenopyrite | FeAsS |
Other Databases
| Link to USGS - Alaska: | BD041 |
|---|
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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