Little Tonsina River Occurrence, Nelchina Mining District, Valdez-Cordova Census Area, Alaska, USAi
Regional Level Types | |
---|---|
Little Tonsina River Occurrence | Occurrence |
Nelchina Mining District | Mining District |
Valdez-Cordova Census Area | Census Area |
Alaska | State |
USA | Country |
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Latitude & Longitude (WGS84):
61° 34' 51'' North , 145° 13' 8'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
Place | Population | Distance |
---|---|---|
Kenny Lake | 355 (2011) | 21.0km |
Willow Creek | 191 (2011) | 26.6km |
Copper Center | 328 (2017) | 44.4km |
Silver Springs | 114 (2017) | 48.5km |
Copperville | 186 (2010) | 52.5km |
Mindat Locality ID:
198558
Long-form identifier:
mindat:1:2:198558:3
GUID (UUID V4):
59f9b2b9-093d-473e-b709-ff422f387a63
Location: This occurrence is on the east side of the Richardson Highway about 1.1 miles south of VABM Brown; it is at an elevation of about 1,800 feet in the SE1/4 section 28, T. 3 S., R. 1 E., of the Copper River Meridian. This prospect is approximately located, perhaps to within one-quarter mile. It is locality 90 of Cobb and Matson (1972).
Geology: Jasper (1967) found small amounts of scheelite in heavy mineral concentrate from stream gravels at this locality. Streams in this area drain uplands where both footwall and hanging wall metamorphic and igneous rocks of the Border Ranges fault are present (Winklerand others, 1981 [OFR 80-892-A]).
Workings: Only reconnaissance surface sampling has taken place in this area.
Age: Holocene.
Commodities (Major) - W
Development Status: None
Deposit Model: Modern placer occurrence of scheelite
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: | VA014 |
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Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
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