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Cheechako Gulch; Chechako Gulch Mine, Yentna Mining District, Matanuska-Susitna Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Cheechako Gulch; Chechako Gulch Mine | Mine |
| Yentna Mining District | Mining District |
| Matanuska-Susitna Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
62° 28' 11'' North , 151° 1' 8'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Also see Cache Creek (TL029).
Location: C.C. Hawley and Associates, Inc. (1978) located this property at the confluence of Cheechako Gulch with Cache Creek in the southwest quarter of Section 31, T. 28 N., R. 9 W., of the Seward Meridian.
Geology: Smith (1933) reports on-going placer mining at this location in 1931, however, no deposit description for this site is available. Most likely it is a bench deposit similar to the Pleistocene age Cache Creek deposits (TL029). Bedrock is Tertiary sedimentary rocks of the Kenai Group (Reed and Nelson, 1980). Clark and Hawley (1968, p.45) report the gold fineness as 869 1/4.
Workings: The drainage has been prospected and mined by various small scale surface methods.
Age: Pleistocene.
Commodities (Major) - Au
Development Status: Yes; small
Deposit Model: Placer Au-PGE (Cox and Singer, 1986; model 39a).
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.
Detailed Mineral List:
| ⓘ Native Gold Formula: Au |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
List of minerals for each chemical element
| Au | Gold | |
|---|---|---|
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS - Alaska: | TL028 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Farewell buried DomainDomain
- Farewell TerranePassive Margin
- Susitna BasinBasin
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Cheechako Gulch; Chechako Gulch Mine, Yentna Mining District, Matanuska-Susitna Borough, Alaska, USA