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Washington Mine (Washington vein), French Gulch, French Gulch Mining District, Klamath Mountains, Shasta County, California, USAi
Regional Level Types
Washington Mine (Washington vein)Mine
French GulchGulch
French Gulch Mining DistrictMining District
Klamath MountainsMountain Range
Shasta CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
40° 43' 18'' North , 122° 40' 26'' West
Latitude & Longitude (decimal):
40.72194,-122.67389
GRN:
N28W67
Type:
Mine
Köppen climate type:
Csb : Warm-summer Mediterranean climate
Nearest Settlements:
PlacePopulationDistance
French Gulch346 (2011)3.8km
Lewiston1,193 (2011)11.4km
Shasta1,771 (2011)20.5km
Keswick451 (2011)20.7km
Weaverville3,600 (2011)22.6km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Shasta Gem & Mineral SocietyRedding, California28km
Mindat Locality ID:
93045
Long-form identifier:
mindat:1:2:93045:8
GUID (UUID V4):
0


A Au-Ag-W occurrence/mine located in secs. 16 & 17, T33N, R7W, MDM, 3.9 km (2.4 miles) NW of French Gulch. Owner-operator: Davis and Davis Mining Co. 403425 PO Box 241, French Gulch, Ca (1981); owner-operator: American Primary Resources, General Delivery, French Gulch 403425 California (1981). MRDS database stated accuracy for this location is 100 meters. Gold production is estimated to be 300,000 oz

Mineralization is a gold-bearing vein hosted in the Bragdon Formation (siltstone, shale). Local rocks include carboniferous marine rocks, unit 4 (Eastern Klamath Mountains).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


8 valid minerals.

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Clinozoisite
Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘ Galena
Formula: PbS
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Native Gold
Formula: Au
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Scheelite
Formula: Ca(WO4)
ⓘ Sphalerite
Formula: ZnS

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘScheelite7.GA.05Ca(WO4)
Group 9 - Silicates
ⓘClinozoisite9.BG.05a(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2

List of minerals for each chemical element

HHydrogen
Hⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
OOxygen
Oⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ ScheeliteCa(WO4)
AlAluminium
Alⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
SSulfur
Sⓘ GalenaPbS
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Caⓘ ScheeliteCa(WO4)
FeIron
Feⓘ PyriteFeS2
ZnZinc
Znⓘ SphaleriteZnS
WTungsten
Wⓘ ScheeliteCa(WO4)
AuGold
Auⓘ Native GoldAu
PbLead
Pbⓘ GalenaPbS

Other Databases

Link to USGS MRDS:10077606

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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

(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file ID #0060890346
Lemmon, D.M., unpublished data.
Averill, Charles V. (1939), Mineral resources of Shasta County: California Journal of Mines and Geology, California Division of Mines (Report 35): 35(2): 156-159.
Albers, J.P., Robertson, J.F. (1961) Geology and ore deposits of east Shasta copper-zinc district, Shasta County, California. Professional Paper 338. US Geological Survey doi:10.3133/pp338
Lemmon, Dwight Moulton and Tweto, O.L. (1962) Tungsten in the United States, exclusive of Alaska and Hawaii. USGS Mineral Investigative Resources Map MR-25.
Clark, W.B. (1970) Gold Districts of California. Bulletin 193. California Division of Mines & Geology
California Division of Mines and Geology Mines & Mineral Producers Active in California during 1980, California Division of Mines and Geology (1981), Special Publication 58.
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
California Division of Mines and Geology (1990), Mines and mineral producers active in California (1988-89), California Department of Conservation, Division of Mines and Geology, Special Publication 103.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Taylor, Ryan D.; Morgan, Leah E.; Jourdan, Fred; Monecke, Thomas; Marsh, Erin E.; Goldfarb, Richard J. (2022) Late Jurassic-Early Cretaceous orogenic gold mineralization in the Klamath Mountains, California: Constraints from 40Ar/39Ar dating of hydrothermal muscovite. Ore Geology Reviews, 141. p.104661. doi:10.1016/j.oregeorev.2021.104661
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