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Darwin Mines (Darwin group; Defiance; Driver; Independence; Lane; Liberty; Lucky Jim; Southwest and Thompson; Bernon; Rip Van Winkle; Mexicanus Colorado Inc.), Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USAi
Regional Level Types
Darwin Mines (Darwin group; Defiance; Driver; Independence; Lane; Liberty; Lucky Jim; Southwest and Thompson; Bernon; Rip Van Winkle; Mexicanus Colorado Inc.)Group of Mines
Darwin- not defined -
Darwin Mining DistrictMining District
Darwin HillsGroup of Hills
Inyo CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
36° 16' 49'' North , 117° 35' 59'' West
Latitude & Longitude (decimal):
36.28028,-117.59972
GeoHash:
G#: 9qkq7uw7z
GRN:
N25W68
Type:
Group of Mines
KΓΆppen climate type:
BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Olancha192 (2015)36.6km
Lone Pine2,035 (2015)55.1km
Mindat Locality ID:
78712
Long-form identifier:
mindat:1:2:78712:0
GUID (UUID V4):
4cc346a3-24e9-4518-9ac9-7f21233c2183


A group of former Pb-Zn-Ag-W-Cu-Au mines.

NOTE: This group of mines was leased by the firm Mexicanus Colorado Inc. during the early 1970's. The name is mis-spelled in the MRDS database and appears as "Mexicanus Colovgdo Inc A" under MRDS file #10188132, referencing the USGS Minerals Yearbook 1972: 26, 30.

The Company β€žProject Darwin LLCβ€œ acquired the Darwin Mines and 58 patented mining claims in 1996. They have prepared a good description of these mines and their history and put it on a webpage (see under Links).

Mineralization is a polymetallic replacement deposit (Deposit Model: 72: Polymetallic replacement) hosted in rocks of the Portachuelo Formation (limestone, granodiorite).

Local structures include a thrust fault, igneous intrusions, faults, and folds.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


14 valid minerals.

Detailed Mineral List:

β“˜ Andradite
Formula: Ca3Fe3+2(SiO4)3
β“˜ Calcite
Formula: CaCO3
β“˜ Cerussite
Formula: PbCO3
β“˜ Chalcopyrite
Formula: CuFeS2
β“˜ Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
β“˜ 'Clay minerals'
β“˜ Fluorite
Formula: CaF2
β“˜ Franckeite
Formula: Fe2+(Pb,Sn2+)6Sn4+2Sb2S14
β“˜ Galena
Formula: PbS
β“˜ Guanajuatite
Formula: Bi2Se3
β“˜ Gypsum
Formula: CaSO4 · 2H2O
β“˜ Jarosite
Formula: KFe3+3(SO4)2(OH)6
β“˜ 'Jasper'
β“˜ Pyrite
Formula: FeS2
β“˜ Quartz
Formula: SiO2
β“˜ Sphalerite
Formula: ZnS
β“˜ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
β“˜Sphalerite2.CB.05aZnS
β“˜Chalcopyrite2.CB.10aCuFeS2
β“˜Galena2.CD.10PbS
β“˜Guanajuatite2.DB.05Bi2Se3
β“˜Pyrite2.EB.05aFeS2
β“˜'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
β“˜Franckeite2.HF.25bFe2+(Pb,Sn2+)6Sn4+2Sb2S14
Group 3 - Halides
β“˜Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
β“˜Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
β“˜Cerussite5.AB.15PbCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
β“˜Jarosite7.BC.10KFe3+3(SO4)2(OH)6
β“˜Gypsum7.CD.40CaSO4 Β· 2H2O
Group 9 - Silicates
β“˜Andradite9.AD.25Ca3Fe3+2(SiO4)3
β“˜Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 Β· nH2O, x < 1
Unclassified
β“˜'Clay minerals'-
β“˜'Jasper'-

List of minerals for each chemical element

HHydrogen
Hβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Hβ“˜ GypsumCaSO4 · 2H2O
Hβ“˜ JarositeKFe33+(SO4)2(OH)6
CCarbon
Cβ“˜ CalciteCaCO3
Cβ“˜ CerussitePbCO3
OOxygen
Oβ“˜ AndraditeCa3Fe23+(SiO4)3
Oβ“˜ CalciteCaCO3
Oβ“˜ CerussitePbCO3
Oβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Oβ“˜ GypsumCaSO4 · 2H2O
Oβ“˜ JarositeKFe33+(SO4)2(OH)6
Oβ“˜ QuartzSiO2
FFluorine
Fβ“˜ FluoriteCaF2
AlAluminium
Alβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
SiSilicon
Siβ“˜ AndraditeCa3Fe23+(SiO4)3
Siβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Siβ“˜ QuartzSiO2
SSulfur
Sβ“˜ ChalcopyriteCuFeS2
Sβ“˜ FranckeiteFe2+(Pb,Sn2+)6Sn24+Sb2S14
Sβ“˜ GalenaPbS
Sβ“˜ GypsumCaSO4 · 2H2O
Sβ“˜ JarositeKFe33+(SO4)2(OH)6
Sβ“˜ PyriteFeS2
Sβ“˜ SphaleriteZnS
Sβ“˜ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
KPotassium
Kβ“˜ JarositeKFe33+(SO4)2(OH)6
CaCalcium
Caβ“˜ AndraditeCa3Fe23+(SiO4)3
Caβ“˜ CalciteCaCO3
Caβ“˜ FluoriteCaF2
Caβ“˜ GypsumCaSO4 · 2H2O
FeIron
Feβ“˜ AndraditeCa3Fe23+(SiO4)3
Feβ“˜ ChalcopyriteCuFeS2
Feβ“˜ FranckeiteFe2+(Pb,Sn2+)6Sn24+Sb2S14
Feβ“˜ JarositeKFe33+(SO4)2(OH)6
Feβ“˜ PyriteFeS2
CuCopper
Cuβ“˜ ChalcopyriteCuFeS2
Cuβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cuβ“˜ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
Znβ“˜ SphaleriteZnS
SeSelenium
Seβ“˜ GuanajuatiteBi2Se3
SnTin
Snβ“˜ FranckeiteFe2+(Pb,Sn2+)6Sn24+Sb2S14
SbAntimony
Sbβ“˜ FranckeiteFe2+(Pb,Sn2+)6Sn24+Sb2S14
Sbβ“˜ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
PbLead
Pbβ“˜ CerussitePbCO3
Pbβ“˜ FranckeiteFe2+(Pb,Sn2+)6Sn24+Sb2S14
Pbβ“˜ GalenaPbS
BiBismuth
Biβ“˜ GuanajuatiteBi2Se3

Other Databases

Link to USGS MRDS:10188132

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

Mineral Availability System (MAS) file #0060270687 (Darwin District Tungsten).
(n.d.)
Butner, D.W. (1949), Investigation of tungsten occurrences in Darwin district, Inyo County, California: US Bureau Mines Report of Investigation 4475: 5.
Norman, L.A. & Richard M. Stewart (1951), Mines and mineral resources of Inyo County, California: California Journal of Mines and Geology: 47(1): 59-68.
Goodwin, Joseph Grant (1957) Lead and zinc in California. California Journal of Mines and Geology, Division of Mines: 53(3&4): 466.
Hall, Wayne Everett & E.M. Mackevett (1958), Economic geology of the Darwin quadrangle, Inyo County, California: Calif Division of Mines Special Report 51, 77 pp.: 25-30, 37-40.
U.S. Bureau of Mines Minerals Yearbook (1972): 26, 30.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
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