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Reed mine, Sylvania District, Esmeralda Co., Nevada, USA

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Key
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Latitude & Longitude (WGS84): 37° 26' 31'' North , 117° 45' 50'' West
Latitude & Longitude (decimal): 37.44217,-117.76398
GeoHash:G#: 9qsm00nuk
Locality type:Mine
Köppen climate type:BWk : Cold desert climate


Deposit: Most ore came from zone exposed for 700 ft at surface, 1-12 ft thick, extending 130 ft down dip. On adit level, ore zone consists of 2 ragged lenses of white talc separated by a zone of talc stringers. The irregular lenticular ore bodies lie along the contact or in dolomite a short distance to the south. Chlorite-rich material often occurs on the hanging wall side of the ore zone.

Development: Claims were later taken over by mrs. Maude reed who leased them out with little production until 1938 when lessee roy coulon produced most of the property's ore except for a period of production by southern california minerals co. The property was owned by blue star talc mines, ltd. In early 1950's, who made a small production; bought by sierra talc and clay co. In 1952.

Rock formation(s): Sylvania Pluton
Reed Dolomite


Ore(s): Palmetto-Oasis Thrust Fault Zone-(E-W Fault Contact Between Dolomite And Quartz Monzonite)

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

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


Mineral List


1 valid mineral.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

'Chlorite Group'
Reference: NBMG Spec. Pub. 31 Minerals of Nevada; U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'Dolostone'
Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'Quartz-monzonite'
Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Talc
Formula: Mg3Si4O10(OH)2
Reference: NBMG Bull 78 Geology and Mineral Deposits of Esmeralda County, Nevada; U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'commodity:Talc'
Reference:  

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
'Talc'9.EC.05Mg3Si4O10(OH)2
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Dolostone'-
'Quartz-monzonite'-

List of minerals arranged by Dana 8th Edition classification

Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Talc71.2.1.3Mg3Si4O10(OH)2
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Dolostone'-
'Quartz-monzonite'-

List of minerals for each chemical element

HHydrogen
H TalcMg3Si4O10(OH)2
OOxygen
O TalcMg3Si4O10(OH)2
MgMagnesium
Mg TalcMg3Si4O10(OH)2
SiSilicon
Si TalcMg3Si4O10(OH)2

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

Neogene
2.588 - 23.03 Ma



ID: 3186305
Cenozoic volcanic rocks

Age: Neogene (2.588 - 23.03 Ma)

Stratigraphic Name: Columbia River Basalt

Comments: Columbia Plateau

Lithology: Flood basalt(s); mafic volcanic rocks; basalt

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]

Jurassic
145 - 201.3 Ma



ID: 2760373
Older felsic phaneritic intrusive rocks

Age: Jurassic (145 - 201.3 Ma)

Description: Concentrated in two areas of the State; common in the west-central part of the State along the California border in Mineral, Esmeralda, Lyon, Douglas, and Carson Counties. There is another more widely scattered group in eastern and central Nevada in Elko, Eureka, and White Pine Counties. Scattered occurrences also are present in Humboldt, Churchill, Lander, and Pershing Counties. Compositions are mainly granitic, granodiorite, and quartz monzonite.

Comments: Original map source: Crafford, A.E.J., 2007, Geologic Map of Nevada: U.S. Geological Survey Data Series 249, 1 CD-ROM, 46 p., 1 plate; Scale 1:250,000.

Lithology: Major:{granitic,granodiorite,quartz monzonite}

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

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
PAPKE, K.G., (1975), NBMG BULL 84, P. 30


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.
 
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