Jim Lake Occurrence, Anchorage Mining District, Matanuska-Susitna Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Jim Lake Occurrence | Occurrence |
| Anchorage Mining District | Mining District |
| Matanuska-Susitna Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
61° 33' 0'' North , 148° 53' 24'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Butte | 3,246 (2011) | 7.6km |
| Lazy Mountain | 1,479 (2011) | 9.0km |
| Knik River | 744 (2011) | 10.1km |
| Palmer | 6,788 (2017) | 13.1km |
| Farm Loop | 1,028 (2011) | 16.6km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
| Club | Location | Distance |
|---|---|---|
| Mat-Su Rock and Mineral Club | Palmer, Alaska | 13km |
Location: Occurrence is 4,300 ft east of the southern end of Jim Lake. Accurate within 2,000 ft. Locality 80 of Jasper (1967) and locality 93 of Cobb (1972).
Geology: Jasper (1967) reports a stream sediment sample taken from a stream flowing in Quaternary surficial deposits. Pan concentrates consist of less than 5 percent magnetite, less than 5 percent zircon, about 1 percent pyrite, 2 grains of scheelite, and 1 grain of ilmenite. The creek float consists of granite, greenstone, dike, graywacke, slate and argillite.
Workings: Pan concentrates consist of less than 5 percent magnetite, less than 5 percent zircon, about 1 percent pyrite, 2 grains of scheelite, and 1 grain of ilmenite (Jasper, 1967).
Commodities (Major) - 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
1 valid mineral.
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| 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) |
| Ca | Calcium | |
| Ca | ⓘ Scheelite | Ca(WO4) |
| W | Tungsten | |
| W | ⓘ Scheelite | Ca(WO4) |
Other Databases
| Link to USGS - Alaska: | AN089 |
|---|
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