Little Togiak Lake Occurrence, Bristol Bay Region District, Dillingham Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Little Togiak Lake Occurrence | Occurrence |
| Bristol Bay Region District | - not defined - |
| Dillingham Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
59° 35' 23'' North , 159° 11' 24'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
This occurrence is in Wood-Tikchik State Park.
Location: This occurrence is on the lower part of a stream entering the west side of Little Togiak Lake, 2 1/4 miles from the head of the lake. The map site is on the stream at an elevation of 100 feet, in the NW1/4 of section 8, T 7 S, R 58 W, of the Seward Meridian.
Geology: Eakins (1968, p. 13) collected several stream-sediment samples in this drainage that contained anomalous amounts of mercury and zinc. In addition, he found float of massive pods and veinlets of pyrite up to 3 inches thick in the stream. Bedrock along the stream includes several felsic dikes intruding argillite. Dikes and faults in the area generally trend east-west.
Workings: Reconnaissance stream-sediment sampling has been completed in the area (Eakin, 1968).
Age: Possibly Late Cretaceous or Early Tertiary. Mineralization may be related to the felsic dikes, which are inferred to be part of a regionally extensive Upper Cretaceous and Lower Tertiary plutonic suite (Hoare and Coonrad, 1978).
Commodities (Major) - Hg, Zn
Development Status: None
Deposit Model: Polymetallic veins (Cox and Singer, 1986; model 22c)
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 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
Other Databases
| Link to USGS - Alaska: | GO039 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Koyukuk ArcsVolcanic Arc
- Walrus-Togiak DomainDomain
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