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Security Mine (Security deposit), Red Mountain, Black Wonder Mining District, Santa Clara Co., California, USAi
Regional Level Types
Security Mine (Security deposit)Mine
Red MountainMountain
Black Wonder Mining DistrictMining District
Santa Clara Co.County
CaliforniaState
USACountry

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Key
Latitude & Longitude (WGS84):
37° 25' 0'' North , 121° 28' 54'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Diablo Grande826 (2017)18.0km
Westley603 (2011)29.0km
East Foothills8,269 (2011)29.9km
Alum Rock15,536 (2018)31.0km
Grayson952 (2011)31.3km


A former magnesite occurrence/mine located in the center NE¼ sec. 13, T6S, R4E, MDM, 1.3 km (0.8 mile; 4,300 feet) W of Red Mountain (summit), E of Sweetwater Creek and NNW of the Harney School, on private land. MRDS database stated accuracy for this location is 500 meters.

Local rocks include ultramafic rocks, chiefly Mesozoic, unit 3 (Coast Ranges and Western Klamath Mountains).

Workings include surface openings.

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.

Detailed Mineral List:

Magnesite
Formula: MgCO3
Reference: Bondenlos, A.J. (1950) Magnesite deposits of central Ceará, Brazil. Washington, Government Printing Office, 153 pp.; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 206.

List of minerals arranged by Strunz 10th Edition classification

Group 5 - Nitrates and Carbonates
Magnesite5.AB.05MgCO3

List of minerals arranged by Dana 8th Edition classification

Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Magnesite14.1.1.2MgCO3

List of minerals for each chemical element

CCarbon
C MagnesiteMgCO3
OOxygen
O MagnesiteMgCO3
MgMagnesium
Mg MagnesiteMgCO3

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Bondenlos, A.J. (1950) Magnesite deposits of central Ceará, Brazil. Washington, Government Printing Office, 153 pp.
California Journal of Mines and Geology (1950): 46(2) (April): 229, 274, Pl. 39.
Trask, Parker Davies (1950) Geologic description of the manganese deposits of California. California Division of Mines Bulletin 152, 378 pp.: 254.
Crittenden, Max D., Jr. (1951), Geology of the San Jose-Mount Hamilton area, California: California Division Mines Bulletin 157: 64.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 206.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10077456 & 10286789.
U.S. Bureau of Mines Minerals Availability System/Mineral Industry Location System (MAS/MILS): file #0060850079.

Other Regions, Features and Areas containg this locality

North America
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.
 
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