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Unnamed Graphite-Phyllosilicate occurrence [1], Rock Canyon, Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USAi
Regional Level Types
Unnamed Graphite-Phyllosilicate occurrence [1]Occurrence
Rock CanyonCanyon
GeorgetownCensus-designated Place
Georgetown DistrictMining District
East Segment Mother LodeLode
El Dorado CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
38° North , 120° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
GRN:
N26W68
Type:
Occurrence
Köppen climate type:
Csa : Hot-summer Mediterranean climate
Mindat Locality ID:
211124
Long-form identifier:
mindat:1:2:211124:0
GUID (UUID V4):
0


An Graphite-phyllosilicates occurrence located 2.7 km S35 of Georgetown near the 2,600 foot contour, along Rock Canyon, SW of Shoemaker Hill.

NOTE: This locality is not listed in the USGS MRDS database.

Mineralization is hosted in metapelites.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


4 valid minerals.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘGraphite1.CB.05aC
Group 9 - Silicates
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘParagonite9.EC.15NaAl2(AlSi3O10)(OH)2
ⓘMargarite9.EC.30CaAl2(Al2Si2O10)(OH)2

List of minerals for each chemical element

HHydrogen
Hⓘ MargariteCaAl2(Al2Si2O10)(OH)2
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ ParagoniteNaAl2(AlSi3O10)(OH)2
CCarbon
Cⓘ GraphiteC
OOxygen
Oⓘ MargariteCaAl2(Al2Si2O10)(OH)2
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ ParagoniteNaAl2(AlSi3O10)(OH)2
NaSodium
Naⓘ ParagoniteNaAl2(AlSi3O10)(OH)2
AlAluminium
Alⓘ MargariteCaAl2(Al2Si2O10)(OH)2
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ ParagoniteNaAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ MargariteCaAl2(Al2Si2O10)(OH)2
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ ParagoniteNaAl2(AlSi3O10)(OH)2
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ MargariteCaAl2(Al2Si2O10)(OH)2

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

Guidott, C.V., Post, J.L., and Cheney, J.T. (1979) Margarite pseudomorphs after chiastolite in the Georgetown area, California. American Mineralogist: 64: 728-732
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
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