Rabbit Mountain Occurrence, Sheenjek Mining District, Yukon-Koyukuk Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Rabbit Mountain Occurrence | Occurrence |
| Sheenjek Mining District | Mining District |
| Yukon-Koyukuk Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
67° 28' 47'' North , 142° 18' 0'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
See MAS/MILS Sequence # 0020330008 (USBM, 1995)
Location: Located a few hundred ft. (about 100 m) west of VABM 3081 on Rabbit Mtn. midway between locality 1 of Barker (1981, p. 25) and locality 2 of Barker and Clautice (1978, p. 14); located to within 2 mi (3.2 km).
Geology: Rhyolite dikes <100 feet (30.5 m) thick intrude argillite in a sequence of phyllite siltstone and quartzite. Small gossans occur in argillite; pyrite locally occurs in quartzite (Barker, 1981, p. 81).
Workings: Sedimentary rocks contain up to 26 ppm Ag, 2200 ppm Zn, 2% Cu and 1.5% Pb (Brosge and Reiser 1968). Small gossan yields 1100 ppm Cu, 11.2% Pb, 6700 ppm Zn, 115 ppm Ag, 1.8 ppm U and 7.5 ppm Th. Pyritic quartzite contains 68 ppm Cu, 610 ppm Pb, 390 ppm Zn. Soils contain <83 ppm Cu, 420 ppm Pb, 270 ppm Zn (Barker, 1981, p. 81-8).
Alteration: Minor argillic alteration and silicification
Commodities (Major) - Ag, Cu, Pb, Zn; (Minor) - Th, U
Development Status: No
Deposit Model: Polymetallic lodes (veins?) associated with rhyolite dikes
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:
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ Galena Formula: PbS |
| ⓘ Malachite Formula: Cu2(CO3)(OH)2 |
| ⓘ Pyrite Formula: FeS2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Malachite | 5.BA.10 | Cu2(CO3)(OH)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Malachite | Cu2(CO3)(OH)2 |
| C | Carbon | |
| C | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | Oxygen | |
| O | ⓘ Malachite | Cu2(CO3)(OH)2 |
| S | Sulfur | |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Galena | PbS |
| S | ⓘ Pyrite | FeS2 |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Pyrite | FeS2 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Cu | ⓘ Malachite | Cu2(CO3)(OH)2 |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
Other Databases
| Link to USGS - Alaska: | CO010 |
|---|
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