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Chagvan Bay Occurrence, Goodnews Bay, Bethel Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Chagvan Bay Occurrence | Occurrence |
| Goodnews Bay | City |
| Bethel Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
58° 48' 36'' North , 161° 45' 0'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Goodnews Bay | 256 (2017) | 35.6km |
Location: The Chagvan Bay occurrence is 4.5 miles of the modern beach, extending from 1.5 miles south of the mouth of Salmon River to the sand spit at the mouth of Chagvan Bay. The map site is at the approximate midpoint of the 4.5-mile-long of beach. This is locality 13 of Cobb (1972 [MF 362]; 1980 [OF 80-909]).
Geology: Berryhill (1963) collected 5 auger samples along this segment of the Kuskokwim Bay beach. Heavy mineral concentrates from these samples contained greater than 10 percent chromite and trace amounts of gold and platinum.
Workings: No workings are present; there was surface sampling in the 1950's and probably at other times (Berryhill, 1963).
Age: Holocene.
Commodities (Major) - Cr; (Minor) - Au, Pt
Development Status: None
Deposit Model: Placer PGE-Au; beach (Cox and Singer, 1986; model 39b)
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 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Chromite | Fe2+Cr23+O4 |
| Cr | Chromium | |
| Cr | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | Iron | |
| Fe | ⓘ Chromite | Fe2+Cr23+O4 |
Other Databases
| Link to USGS - Alaska: | HG015 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Koyukuk ArcsVolcanic Arc
- Walrus-Goodnews DomainDomain
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