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San Benito Asbestos Company Mine, Goat Mountain, New Idria District, Diablo Range, San Benito Co., California, USA

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Latitude & Longitude (WGS84): 36° 22' 9'' North , 120° 45' 21'' West
Latitude & Longitude (decimal): 36.36917,-120.75611
GeoHash:G#: 9q6nuhu1f
Köppen climate type:Csb : Warm-summer Mediterranean climate


A former asbestos occurrence/mine located in sec. 15, T18S, R11E, MDM, 2.6 km (1.6 miles) NW of Goat Mountain (coordinates of record) and 6.4 km (4.0 miles) SW of Sampson Peak (coordinates of record), along the N canyon wall of Clear Creek. MRDS database stated accuracy for this location is 500 meters.

Local rocks include Lower Cretaceous marine rocks.

Workings include unspecified surface openings (the topo map reflects 1 apparent prospect pit symbol just W of this point and another such symbol about 225 meters SSW of it).


Commodity List

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


Mineral List


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

Cretaceous - Jurassic
66 - 201.3 Ma



ID: 2960922
Franciscan Complex, unit 1 (Coast Ranges)

Age: Mesozoic (66 - 201.3 Ma)

Stratigraphic Name: Franciscan Complex; Dothan Formation; Honda Formation; San Luis Formation; Valentine Spring Formation

Description: Franciscan complex: Cretaceous and Jurassic sandstone with smaller amounts of shale, chert, limestone, and conglomerate. Includes Franciscan melange, except where separated--see KJfm.

Comments: Coast Ranges. Primarily Yolla Bolly, Central, and San Simeon terranes of Silberling et al. (1987). Consists primarily of variably deformed and metamorphosed graywacke, mudstone, and chert.

Lithology: Major:{sandstone,mudstone}, Minor:{chert}, Incidental:{limestone, conglomerate, greenstone, serpentinite, gabbro, amphibolite, schist, felsic volcanic}

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]

Cretaceous
66 - 145 Ma



ID: 3190052
Mesozoic sedimentary rocks

Age: Cretaceous (66 - 145 Ma)

Lithology: Siltstone,sandstone,shale

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]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License



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

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Laizure, Clyde McK (1926), Marin, San Benito, Santa Cruz, and Sonoma Counties: California Journal of Mines and Geology, California Mining Bureau (Report 22): 22: 223-224.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10164475.
U.S. Bureau of Mines Minerals Availability System/Mineral Industry Location System (MAS/MILS): file #0060690108.

Mineral and/or Locality  
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