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Geologic units containing tephrite (basanite)

Earth material > Volcanic rock > Alkalic volcanic rock
Tephrite
A volcanic rock defined in the QAPF diagram as having F/(F+A+P) between 10 and 60%, and P/(P+A) > 90%...
This category is also used for tephrite (basanite).
Subtopics:
(none)
California
California
Quaternary volcanic flow rocks, unit 7 (Mojave Desert) (Quaternary)
Quaternary volcanic flow rocks; minor pyroclastic deposits; in part Pliocene and Miocene.
Quaternary volcanic flow rocks, unit 7, questionably identified (Mojave Desert) (Quaternary)
Quaternary volcanic flow rocks; minor pyroclastic deposits; in part Pliocene and Miocene.
Recent (Holocene) volcanic flow units, unit 4 (Mojave Desert) (Holocene)
Recent (Holocene) volcanic flow rocks; minor pyroclastic deposits; in part Pleistocene.
Tertiary volcanic flow rocks, unit 18 (San Joaquin-Kings Canyon) (Tertiary (3-4 Ma))
Tertiary volcanic flow rocks; minor pyroclastic deposits.

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Page Last modified: 11:56 on 09-Apr-2013