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Elcey Mine (Elcy; Elcay; Buckingham), China Flat, Downieville Mining District, Sierra County, California, USAi
Regional Level Types
Elcey Mine (Elcy; Elcay; Buckingham)Mine
China FlatFlat
Downieville Mining DistrictMining District
Sierra CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
39° 32' 20'' North , 120° 44' 38'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Downieville282 (2011)7.5km
Sierra City221 (2011)9.9km
Washington185 (2011)20.5km
Pike134 (2011)24.5km
Plumas Eureka (historical)339 (2011)24.6km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Nevada County Gem & Mineral SocietyGrass Valley, California45km
Mindat Locality ID:
93242
Long-form identifier:
mindat:1:2:93242:9
GUID (UUID V4):
0


A former lode Au occurrence/mine located in the S½ & SE¼SW¼ sec. 4, T19N, R11E, MDM, 2.8 km (1.7 miles) S of China Flat (coordinates of record) and about 8 km ESE of Downieville, on the S side of the North Yuba River, ESE of Quartz Point (6 miles WSW of Sierra City), on National Forest land. MRDS database stated accuracy for this location is 500 meters. Clark lists this mine as the Elcy.

Mineralization is a vein deposit hosted in slate, porphyry and granite. The Elcey vein is 4 feet thick and the Golden Slipper vein is 10 feet thick. Both veins occur in slate near a contact with porphyritic granite. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).

Workings include underground openings comprised of 2 adits.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


2 valid minerals.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2

List of minerals for each chemical element

OOxygen
O QuartzSiO2
SiSilicon
Si QuartzSiO2
AuGold
Au GoldAu

Other Databases

Link to USGS MRDS:10103088

Other Regions, Features and Areas containing this locality


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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