Michigan Bluff Mine, Michigan Bluff, Michigan Bluff Mining District (Michigan Bluff Mining deposit), Placer County, California, USAi
| Regional Level Types | |
|---|---|
| Michigan Bluff Mine | Mine |
| Michigan Bluff | - not defined - |
| Michigan Bluff Mining District (Michigan Bluff Mining deposit) | Mining District |
| Placer County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
39° 2' 34'' North , 120° 44' 40'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Foresthill | 1,483 (2011) | 6.8km |
| Georgetown | 2,367 (2011) | 17.2km |
| Alta | 610 (2011) | 19.1km |
| Colfax | 2,005 (2017) | 19.1km |
| Dutch Flat | 160 (2011) | 19.8km |
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 |
|---|---|---|
| Nevada County Gem & Mineral Society | Grass Valley, California | 34km |
| El Dorado County Mineral and Gem Society | Placerville, California | 35km |
| Gold Country Treasure Seekers | Placerville, California | 35km |
A former placer Au occurrence/mine located in sec. 21, T14N, R11E, MDM, 0.3 km (0.2 mile) W of Michigan Bluff, on private land. MRDS database stated accuracy for this location is .
Local rocks include ultramafic rocks, chiefly Mesozoic, unit 2 (Western Sierra Nevada and Klamath Mountains) and/or Tertiary pyroclastic and volcanic mudflow deposits, unit 9 (Cascade Range).
Workings apparently were comprised of surface placer operations.
Lindgren (1911) described production of $5,000,000 (period values) of Au from 6,000,000 cubic yards of gravel before 1911.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed 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 MRDS: | 10072374 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Calaveras-Baker DomainDomain
- Sierra Nevada BatholithVolcanic Arc
USA
- Sierra NevadaMountain Range
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file #0060610532
Lindgren, Waldemar (1900) Colfax folio, California. Folios of the Geologic Atlas 66. US Geological Survey doi:10.3133/gf66
Michigan Bluff Mine, Michigan Bluff, Michigan Bluff Mining District, Placer County, California, USA