Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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San Dimas deposit, West Fork San Dimas Canyon, San Dimas Canyon, San Dimas, Los Angeles County, California, USAi
Regional Level Types
San Dimas depositDeposit
West Fork San Dimas CanyonCanyon
San Dimas CanyonCanyon
San Dimas- not defined -
Los Angeles CountyCounty
CaliforniaState
USACountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
34° North , 117° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
GRN:
N23W70
Type:
Deposit
Köppen climate type:
Csb : Warm-summer Mediterranean climate
Mindat Locality ID:
64749
Long-form identifier:
mindat:1:2:64749:7
GUID (UUID V4):
0


A baryte deposit area located in sec. 23, T1N, R9W, SBM, on the west side of the canyon 8 miles NW of the town of San Dimas.

Mineralization is a bedded baryte deposit.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


1 valid mineral.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4

List of minerals for each chemical element

OOxygen
Oⓘ BaryteBaSO4
SSulfur
Sⓘ BaryteBaSO4
BaBarium
Baⓘ BaryteBaSO4

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America Plate
Pacific 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

Merrill, Frederick James Hamilton (1919), Los Angeles, Orange and Riverside Counties: California Mining Bureau Report 15: 480
Bradley, W.W. (1930), Barite in California: California Journal of Mines and Geology, California State Mineralogist (Report 26): 26(1): 45-57.
Winston, W.B. (1949), Barium: California Journal of Mines and Geology (Report 45): 45(1): 85-97.
Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology: 50: 650
Brobst, D. A. (1958) Barite resources of the United States. Bulletin 1072b. US Geological Survey doi:10.3133/b1072b p.109 - Table 10
Weber, F.H., Jr. (1963b), Barite in California: California Division Mines & Geology, Mineral Information Service: 16: 4
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 97.
Weber, F.H., Jr. (1966b), Mineral resources of California: Barite. California Division of Mines and Geology Bulletin: 191: 97
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
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