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Maxwell Mine, Lotus, Coloma Mining District, West Belt, El Dorado County, California, USAi
Regional Level Types
Maxwell MineMine
Lotus- not defined -
Coloma Mining DistrictMining District
West Belt- not defined -
El Dorado CountyCounty
CaliforniaState
USACountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
38° 49' 54'' North , 120° 54' 0'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Coloma529 (2011)3.6km
Georgetown2,367 (2011)9.9km
Auburn Lake Trails3,426 (2011)10.2km
Cold Springs446 (2011)10.3km
Cool4,100 (2017)11.7km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
El Dorado County Mineral and Gem SocietyPlacerville, California14km
Gold Country Treasure SeekersPlacerville, California14km
Roseville Rock RollersRoseville, California35km
Fossils for Fun Society, Inc.North Highlands, California44km
Sacramento Valley Detecting BuffsNorth Highlands, California44km
Mindat Locality ID:
77904
Long-form identifier:
mindat:1:2:77904:2
GUID (UUID V4):
1e2f3d52-17c5-48f1-8645-8b018457f228


A former Cr occurrence/mine located near the center E½ sec. 5, T11N, R10E, MDM, 3.4 km (2.1 miles) N of Lotus and about 3.35 km NNW of Coloma. Operated by Grover Maxwell. MRDS database stated accuracy for this location is 500 meters. Workings could not be located during 1951 (USGS ?) investigations.

Local rocks include ultramafic rocks, chiefly Mesozoic, unit 2 (Western Sierra Nevada and Klamath Mountains) and/or Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains).

Workings include surface and underground openings comprised of 4 quarries and an adit.

Said to have produced and shipped 687 long tons of chromite ore in 1916-1917. Ore was allwegedlyu also shipped in 1918; however, there os no record of the latter shipments.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


1 valid mineral.

Detailed Mineral List:

Chromite
Formula: Fe2+Cr3+2O4

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4

List of minerals for each chemical element

OOxygen
O ChromiteFe2+Cr23+O4
CrChromium
Cr ChromiteFe2+Cr23+O4
FeIron
Fe ChromiteFe2+Cr23+O4

Other Databases

Link to USGS MRDS:10029956

Other Regions, Features and Areas containing this locality

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

 
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