Submarine equivalents of ash flows in the Tokiwa Formation, Japan

1 January 1964

journal article
Published by American Journal of Science (AJS) in American Journal of Science

Vol. 262 (1) , 76-106
https://doi.org/10.2475/ajs.262.1.76

Abstract

Five sequences of pumiceous dacitic debris interbedded with fossiliferous marine mudstones are recognized inthe Tokiwa formation (Miocene). They represent the quenched and laterally transported products of submarine explosions. The mechanisms and environment of deposition are discussed.

Keywords

PUMICEOUS
JAPAN
ASH FLOWS
SUBMARINE EQUIVALENTS
TOKIWA FORMATION
EQUIVALENTS OF ASH
RECOGNIZED INTHE
DACITIC DEBRIS

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