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Molly Tungstite claims (Blue Grouse Mine), Scheelite, Bishop District (Tungsten Hills District), Inyo Co., California, USA

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Latitude & Longitude (WGS84): 37° 22' 60'' North , 118° 43' 0'' West
Latitude & Longitude (decimal): 37.38333,-118.71667
GeoHash:G#: 9qesdt3jt
USGS MRDS Record:10008554
Locality type:Group of Claims
Köppen climate type:Dsc : Dry-summer subarctic climate


A W occurrence/claims located in sec. 8, T7S, R30E, MDM, 3.6 km (2.2 miles) W of Scheelite, E of Lower Morgan Lake, in the Sierra Nevada (¾ mile W of Browns Camp), on National Forest land. MRDS database stated accuracy for this location is 500 meters.

Mineralization is hosted in granite and marble. The ore body is lenticular in form at a width of 6.1 meters and a length of 45.72 meters. A quarter mile N are several small discontinuous lenses of tactite 20 to 50 feet long and a few feet wide. Local rocks include Carboniferous marine rocks, unit 7 (Bishop) and/or Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges).

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


7 valid minerals.

Detailed Mineral List:

ⓘ Calcite
Formula: CaCO3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
ⓘ Diopside
Formula: CaMgSi2O6
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
ⓘ Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
ⓘ Fluorite
Formula: CaF2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
ⓘ Quartz
Formula: SiO2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
ⓘ Scheelite
Formula: Ca(WO4)
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
ⓘ Titanite
Formula: CaTi(SiO4)O
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
ⓘ'Fluorite'3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘ'Quartz'4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘ'Calcite'5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ'Scheelite'7.GA.05Ca(WO4)
Group 9 - Silicates
ⓘ'Diopside'9.DA.15CaMgSi2O6
ⓘ'Epidote'9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
ⓘ'Titanite'9.AG.15CaTi(SiO4)O
Unclassified Minerals, Rocks, etc.
ⓘ'Garnet Group'-X3Z2(SiO4)3

List of minerals arranged by Dana 8th Edition classification

Group 9 - NORMAL HALIDES
AX2
ⓘFluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
ⓘCalcite14.1.1.1CaCO3
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
ⓘScheelite48.1.2.1Ca(WO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
ⓘTitanite52.4.3.1CaTi(SiO4)O
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
ⓘEpidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
ⓘDiopside65.1.3a.1CaMgSi2O6
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
ⓘQuartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
ⓘ'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

HHydrogen
Hⓘ Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ CalciteCaCO3
Oⓘ DiopsideCaMgSi2O6
Oⓘ Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ QuartzSiO2
Oⓘ ScheeliteCa(WO4)
Oⓘ TitaniteCaTi(SiO4)O
FFluorine
Fⓘ FluoriteCaF2
MgMagnesium
Mgⓘ DiopsideCaMgSi2O6
AlAluminium
Alⓘ Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
SiSilicon
Siⓘ DiopsideCaMgSi2O6
Siⓘ Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Siⓘ Garnet GroupX3Z2(SiO4)3
Siⓘ QuartzSiO2
Siⓘ TitaniteCaTi(SiO4)O
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ DiopsideCaMgSi2O6
Caⓘ Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Caⓘ FluoriteCaF2
Caⓘ ScheeliteCa(WO4)
Caⓘ TitaniteCaTi(SiO4)O
TiTitanium
Tiⓘ TitaniteCaTi(SiO4)O
FeIron
Feⓘ Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
WTungsten
Wⓘ ScheeliteCa(WO4)

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Cretaceous
66 - 145 Ma



ID: 3192002
Mesozoic intrusive rocks

Age: Cretaceous (66 - 145 Ma)

Lithology: Intrusive igneous rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Cisuralian - Mississippian
272.95 - 358.9 Ma



ID: 2826386
Carboniferous marine rocks, unit 7 (Bishop)

Age: Paleozoic (272.95 - 358.9 Ma)

Stratigraphic Name: Bright Dot Formation; Lake Dorothy Hornfels; Mildred Lake Hornfels; Mount Baldwin Marble

Description: Shale, sandstone, conglomerate, limestone, dolomite, chert, hornfels, marble, quartzite; in part pyroclastic rocks

Comments: East-central Sierra Nevada near Bishop. Consists primarily of siliceous hornfels and a thick marble unit (Mt. Baldwin Marble). Contains some rocks of Early Permian age Original map source: Saucedo, G.J., Bedford, D.R., Raines, G.L., Miller, R.J., and Wentworth, C.M., 2000, GIS Data for the Geologic Map of California, California Department of Conservation, Division of Mines and Geology, CD-ROM 2000-07, scale 1:750,000.

Lithology: Major:{hornfels,marble}, Incidental:{conglomerate}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
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.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10008554.
U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0060270043.
Lemmon, D.M., Tungsten deposits in the US; Vol. I, unpublished data: 234-235.


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