Unnamed Obsidian occurrence (1), Cougar Butte, Cascade Range, Siskiyou Co., California, USA
An obsidian occurrence located in sec. 13, T44N, R4E, MDM, near Cougar Butte (E of/E side). NOTE: This occurrence was reported as in the "Couger Butte area" by listed references.
NOTE: Coordinates provided are approximate to the center of sec. 13.
ReferencesMurdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 181.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 459.
| Cristobalite|| Fayalite|| 'Obsidian'|
3 entries listed. 2 valid minerals.
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