Fall Creek Occurrence, Anchorage Mining District, Matanuska-Susitna Borough, Alaska, USAi
Regional Level Types | |
---|---|
Fall Creek Occurrence | Occurrence |
Anchorage Mining District | Mining District |
Matanuska-Susitna Borough | Borough |
Alaska | State |
USA | Country |
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Latitude & Longitude (WGS84):
61° 27' 36'' North , 148° 34' 47'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
Place | Population | Distance |
---|---|---|
Knik River | 744 (2011) | 17.7km |
Butte | 3,246 (2011) | 25.7km |
Lazy Mountain | 1,479 (2011) | 26.8km |
Sutton-Alpine | 1,447 (2015) | 36.7km |
Chickaloon | 272 (2011) | 37.9km |
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 | 32km |
Mindat Locality ID:
197448
Long-form identifier:
mindat:1:2:197448:8
GUID (UUID V4):
7148ed02-10a6-4325-b85d-8083fd7c31d4
Location: Occurrence is along Fall Creek, 2,700 ft upstream from confluence of Fall Creek with the Knik River braided-stream system. The location is accurate within 2,600 ft upstream or downstream of plotted location. Locality 94 of Cobb (1972).
Geology: Richter (1967) reported scheelite in Fall Creek stream-sediment concentrate samples. Fall Creek drains Valdez Group metasedimentary rocks of Late Cretaceous age. Winkler (1992) describes the rocks as thick sequences of drab, rhythmically alternating, multiply deformed turbidite. Lithologies include: metasandstone, metasiltstone, argillite, slate, and phillite, and rare beds of pebbly argillite and metasandstone.
Workings: Richter (1967) reported that scheelite is found in stream-sediment concentrate.
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: | AN088 |
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Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Chugach DomainDomain
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