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Flint group (Boston; Fourth of July; Monterey; Andy Johnson claim; Red Rock; Clear Creek), Hernandez, Clear Creek area, Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
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Latitude: 36°23'7"N
Longitude: 120°44'9"W
A former Hg mine located near Hernandez and 6.2 km (3.8 miles) NW of Picacho Peak.

Mineralization is hosted in rocks of the Panoche Upper Cretaceous sandstone and shale.

Production data are found in: U.S. Bureau of Mines file data.

Mineral List

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

6 entries listed. 4 valid minerals.

Localities in this Region

  • California
    • San Benito Co.
      • Diablo Range
        • New Idria District
          • Picacho Peak
            • Clear Creek area
              • Hernandez
                • Flint group (Boston; Fourth of July; Monterey; Andy Johnson claim; Red Rock; Clear Creek)

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Eckel, Edwin Butt & W.B. Myers (1946), Quicksilver deposits of the New Idria district, San Benito and Fresno Counties, California: California Journal of Mines and Geology, California Division Mines (Report 42): 42: 81-124.

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 262.

Bailey, E.H., USGS, personal files.

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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