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Clear Creek deposits, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA

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Latitude & Longitude (WGS84): 36° 22' 37'' North , 120° 43' 48'' West
Latitude & Longitude (decimal): 36.37694,-120.73000
Köppen climate type:Csb : Warm-summer Mediterranean climate


Occurrences located in and around the N½ sec. 12, T18S, R11E, MDM, about 5.2 km (3.2 miles) NW of Picacho Peak.

NOTE: Coordinates provided are approximate to the center of sec. 12.

Mineralization is hosted in the New Idria serpentinite body.


Mineral List

Mineral list contains entries from the region specified including sub-localities

14 valid minerals.

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

Late Jurassic - Middle Jurassic
145 - 174.1 Ma



ID: 2881475
Ultramafic rocks, chiefly Mesozoic, unit 3 (Coast Ranges and Western Klamath Mountains)

Age: Jurassic (145 - 174.1 Ma)

Stratigraphic Name: Josephine Peridotite

Description: Ultramafic rocks, mostly serpentine. Minor peridotite, gabbro, and diabase. Chiefly Mesozoic unit 3

Comments: Coast Range ophiolite, Josephine ophiolite. Ultramafic rocks in Middle to Late Jurassic ophiolites of Coast Ranges and westernmost Klamath Mts.

Lithology: Major:{serpentinite}, Minor:{peridotite}

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]

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


Localities in this Region

USA
  • California

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)
Chesterman, C.W. (1950a), Jadeite in San Benito County, California: Lapidary Journal: 4: 204-208.
Coleman, R.G. (1961), Jadeite deposits of the Clear Creek area, New Idria District, San Benito County, California: Journal of Petrology: 2: 221, 222, 225.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 277.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 49, 372, 410, 498.

Mineral and/or Locality  
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