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Cedar Tree occurrence, Black Mountain, Black Wonder Mining District, Santa Clara Co., California, USAi
Regional Level Types
Cedar Tree occurrenceOccurrence
Black MountainMountain
Black Wonder Mining DistrictMining District
Santa Clara Co.County
CaliforniaState
USACountry

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Key
Latitude & Longitude (WGS84):
37° 22' 9'' North , 121° 25' 53'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Diablo Grande826 (2017)13.8km
Westley603 (2011)28.6km
Patterson21,498 (2017)29.0km
Grayson952 (2011)31.0km
Crows Landing355 (2011)31.9km


A magnesite occurrence located in the center sec. 33, T6S, R5E, MDM, about 4.3 km NNW of Black Mountain (summit) and about 7.2 miles ENE of Sugarloaf Mountain, in the headwaters area of Beauregard Creek, near the Stanislaus County line. MRDS database stated accuracy for this location is 1,000 meters.

NOTE: This locality was listed as being in Stanislaus County in the MRDS file; however, elements of data in that file also place it in Santa Clara County. Research of sec. 33, T6S, R5E, MDM, revealed that all but about 5% of that section lies within Santa Clara County. The locality is assigned a MAS file number for Stanislaus County but this file lists it in Santa Clara County based on the perponderence of the evidence.

Local rocks include rocks of the Franciscan melange.

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: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10263211.

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)
Davis, Fenelon Francis & C.W. Jennings (1954), Mines and mineral resources of Santa Clara County, California: California Journal of Mines and Geology (Report 50): 50(2): 412.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10263211.
U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0060990137.

Other Regions, Features and Areas containg this locality

North America
North America PlateTectonic Plate
USA

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