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Unnamed Asbestos prospect [6], Burnt Flat, Colfax, Colfax Mining District (Illinois Mining District), Placer County, California, USAi
Regional Level Types
Unnamed Asbestos prospect [6]Prospect
Burnt FlatFlat
Colfax- not defined -
Colfax Mining District (Illinois Mining District)Mining District
Placer CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
39° 5' 31'' North , 120° 56' 13'' West
Latitude & Longitude (decimal):
39.09195,-120.93694
GeoHash:
G#: 9qfn2h2rh
GRN:
N27W67
Type:
Prospect
Köppen climate type:
Csb : Warm-summer Mediterranean climate
Nearest Settlements:
PlacePopulationDistance
Colfax2,005 (2017)1.7km
Alta Sierra6,911 (2011)11.5km
Lake of the Pines3,917 (2011)11.9km
Meadow Vista3,217 (2011)12.5km
Foresthill1,483 (2011)13.0km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Nevada County Gem & Mineral SocietyGrass Valley, California18km
El Dorado County Mineral and Gem SocietyPlacerville, California42km
Gold Country Treasure SeekersPlacerville, California42km
Roseville Rock RollersRoseville, California48km
Mindat Locality ID:
85692
Long-form identifier:
mindat:1:2:85692:5
GUID (UUID V4):
0


An asbestos occurrence/prospect located in the NE¼NE¼ sec. 2, T14N, R9E, MDM, 1.5 km (0.9 mile) SSW of Burnt Flat (coordinates of record) and 1.6 km (1.0 mile) SE of Colfax. MRDS database stated accuracy for this location is .

Mineralization is an amphibole asbestos deposit hosted in serpentine. Local rocks include Jurassic marine rocks, unit 1 (Western Sierra Nevada and Western Klamath Mountains).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


Gallery:

List of minerals arranged by Strunz 10th Edition classification

Unclassified
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4
ⓘ'Amphibole Asbestos'-

List of minerals for each chemical element

HHydrogen
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
OOxygen
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
SiSilicon
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4

Other Databases

Link to USGS MRDS:10032090

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Chandra, Deb K. (1961) Geology and mineral deposits of the Colfax and Foresthill quadrangles, California. Special Report 67. California Division of Mines p.48 - plates 1 & 3
Saucedo, G.J. and Wagner, D.L. (1992), Geologic map of the Chico Quadrangle, California: California Department of Conservation, Division of Mines and Geology Regional Geologic Map Series, Map No. 7A, scale 1:250,000.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
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