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Unspecified Lava tunnel, Inskip Hill, Tehama Co., California, USA
An opal occurrence located in a lava tunnel on the N side of Inskip Hill.Mineral List
| Opal |
1 entry listed. 1 valid mineral.
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References
Anderson, Charles A. (1930), Opal stalactites and stalagmites from a lava tube in northern California: American Journal of Science, 5th. Series: 20: 22-26.
Anderson, Charles A. (1931b), Opal stalactites from a lava tube in northern California (abstract): Geological Society of America Bulletin: 42: 310.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 282.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 356.
Anderson, Charles A. (1931b), Opal stalactites from a lava tube in northern California (abstract): Geological Society of America Bulletin: 42: 310.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 282.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 356.
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Locality Updated: Spray mine, Zeehan, Zeehan district, Tasmania, AustraliaFrom Rod Martin, 19th May 2013 09:41:10