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Ruby Consolidated Mine (Green Mine), Volcanoville, Volcanoville Mining District, El Dorado County, California, USAi
Regional Level Types
Ruby Consolidated Mine (Green Mine)Mine
VolcanovilleUnincorporated Community
Volcanoville Mining DistrictMining District
El Dorado CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
38° 58' 8'' North , 120° 47' 18'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Foresthill1,483 (2011)6.2km
Georgetown2,367 (2011)8.1km
Auburn Lake Trails3,426 (2011)15.4km
Colfax2,005 (2017)20.4km
Meadow Vista3,217 (2011)20.5km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
El Dorado County Mineral and Gem SocietyPlacerville, California27km
Gold Country Treasure SeekersPlacerville, California27km
Nevada County Gem & Mineral SocietyGrass Valley, California36km
Roseville Rock RollersRoseville, California50km
Mindat Locality ID:
78158
Long-form identifier:
mindat:1:2:78158:8
GUID (UUID V4):
b39ab83e-0525-4b0b-9039-c0630336fa21


A former lode Au-Cr occurrence/mine and Au drift mine located in secs. 17, 18 & 19, T13N, R11E, MDM, 1.5 km (0.9 mile) S of Volcanoville, along the W side of Quartz Canyon, at the NE end of the Hornblende Mountains, on National Forest land. Discovered and first produced in 1917. Owned by the Green estate (during the early 1900's); Ruby H. Bryant, California (1976). Operated by Lulu Stone, lessee, California (1976); L.H. Butcher Company (leased from the Green estate during WWI); and by John Taylor (1942). Intermittently active during the period 1928 to 1940. MRDS database stated accuracy for this location is 100 meters. A Au drift mine was located in section 17 . No Cr in section 17, only in sections 18 & 19.

Mineralization is a vein deposit and a placer Au deposit. The ore body is lenticular in form, 9 meters wide and 81 meters long, in a shear zone. The primary mode of origin was magmatic differentiation. Primary ore control was lithology. Wallrock alteration is intense (carbonitization). Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).

Workings include underground openings comprised of a 900 foot adit and a 180 foot vertical shaft. A 2-stamp mill was erected.

Production data are found in: Clark and Carlson (1956).

Talliaferro states that 110 long tons (3 carloads) of chromite were shipped from the property in 1917 (46% Cr2O3) and an unknown quantity in 1918. In 194_ (1940 ?) R (?) shipped 64 long tons of ore. Chromite averaged 44%. This mine was originally a Au mine.

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
Gold1.AA.05Au
Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Quartz4.DA.05SiO2
Group 9 - Silicates
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
var. Chromium-bearing Clinochlore9.EC.55Mg5(Al,Cr)2Si3O10(OH)8

List of minerals for each chemical element

HHydrogen
H ClinochloreMg5Al(AlSi3O10)(OH)8
H Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
OOxygen
O ChromiteFe2+Cr23+O4
O ClinochloreMg5Al(AlSi3O10)(OH)8
O Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
O QuartzSiO2
MgMagnesium
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
Mg Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
AlAluminium
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
SiSilicon
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Si QuartzSiO2
CrChromium
Cr ChromiteFe2+Cr23+O4
Cr Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
FeIron
Fe ChromiteFe2+Cr23+O4
AuGold
Au GoldAu

Other Databases

Link to USGS MRDS:10007098

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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