1999•The Quaternary Research (Daiyonki-Kenkyu)Open access

Quaternary Widespread Tephra Catalog in and around Japan : Recent Progress.

Hiroshi Machida

Abstract

Many widespread Quaternary tephras have been identified in and around Japan. Recent developments in tephra characterization and dating methods have provided a regional stratigraphic framework for Quaternary studies as well as for determining the nature and effects of explosive eruptions. This paper stresses on the importance of tephra catalog compilation and shows a simplified example from Japan.

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Key concepts: Tephra, Quaternary, Geology, Quaternary science, Earth science, Explosive material, Volcano, Paleontology