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Trio group, Barnwell, Vanderbilt District (New York District), New York Mountains, San Bernardino Co., California, USAi
Regional Level Types
Trio group- not defined -
Barnwell- not defined -
Vanderbilt District (New York District)Mining District
New York MountainsMountain Range
San Bernardino Co.County
CaliforniaState
USACountry

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Key
Latitude & Longitude (WGS84):
35° 17' 6'' North , 115° 15' 30'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Cal-Nev-Ari244 (2011)34.1km
Searchlight539 (2011)36.6km


A former Cu occurrence/group of claims/group of mines located in sec. 21, T14N, R16E, SBM, 2.3 km (1.4 miles) WSW of Barnwell (site) (6 miles S of Ivanpah), on federal reservation land (Mojave National Preserve/East Mojave National Scenic Area). MRDS database stated accuracy for this location is 10 meters.

Mineralization is hosted in limestone. The ore body is generally lenticular, strikes E, dips steeply N at a thickness 1.22 meters and a length of 12.19 meters. Short lenses of ore formed at irregular intervals along fractures 2 to 2½ feet thick. The ore bodies are comprised mostly of garnet. Controls for ore emplacement included fractures. Located at the S end of a 1,000 foot thick belt of crystalline limestone that traverses N-S for about 5 miles. Local rocks include Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges).

Workings include surface and underground openings with an overall depth of 91.44 meters and comprised of a vertical shaft on the Copper Bullion claim said to be 300 feet deep, now inaccessible. 400 feet W, 100 feet N is a tunnel driven E for 150 feet. At the portal is a lens of 2 feet by 30 feet by 15 feet that was removed. There are also a few shallow open cuts.

Perhaps the property yielded a small tonnage of shipping ore in nthe early 1900's.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


2 valid minerals.

Detailed Mineral List:

Bornite
Formula: Cu5FeS4
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Chalcopyrite
Formula: CuFeS2
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.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Bornite2.BA.15Cu5FeS4
Chalcopyrite2.CB.10aCuFeS2
Unclassified Minerals, Rocks, etc.
'Garnet Group'-X3Z2(SiO4)3

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
Unclassified Minerals, Mixtures, etc.
'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

OOxygen
O Garnet GroupX3Z2(SiO4)3
SiSilicon
Si Garnet GroupX3Z2(SiO4)3
SSulfur
S BorniteCu5FeS4
S ChalcopyriteCuFeS2
FeIron
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
CuCopper
Cu BorniteCu5FeS4
Cu ChalcopyriteCuFeS2

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Tucker, W. Burling & Reid J. Sampson (1943b), Mineral resources of San Bernardino County: California Journal of Mines and Geology, California Division of Mines (Report 39): 39(4): 437.
Wright, L.A., et al (1953), Mines and mineral resources of San Bernardino County, California: California Journal of Mines and Geology, California Division of Mines (Report 49): 49(1-2): Tabulated list No. 54, p. 20-21.
U.S. Bureau of Mines (1990), Mineral Investigation of the East Mojave National Scenic Area, San Bernardino County, California: U.S. Bureau of Mines Open-File Report MLA 6-90: Volume 1, Table 2: No. 283, p. 121.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10034090 & 10285773.
U.S. Bureau of Mines, Minerals Availability System (MAS) file #0060710054.

Other Databases

USGS MRDS Record:10034090

Other Regions, Features and Areas containing this locality

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.
 
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