Tephriphonolite
Tephriphonolite or tephri-phonolite is a
silica content (see TAS diagram).[2] Tephriphonolite is roughly equivalent to tephritic phonolite of the QAPF classification.[3]
Tephriphonolite has been found, for example, at
References
- ^ "Unusual Lava Types". Strongly Alkaline Lavas. San Diego State University. Archived from the original on 2020-11-05. Retrieved 2016-09-11.
- ^ Bailey, Roy A. (2004). "Eruptive History and Chemical Evolution of the Precaldera and Postcaldera Basalt-Dacite Sequences, Long Valley, California: Implications for Magma Sources, Current Seismic Unrest, and Future Volcanism". United States Geological Survey: 17.
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