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Book Chapter

Overview, key implications and future research

Published:
January 01, 2002

Abstract

The vast extent of many ignimbrites shows that eruptions have occurred on almost unimaginable scales, well beyond any modern human experience. Evidence is emerging that plumes derived from large pyroclastic currents have impacted climate and biota on a global scale, whilst certain types of ignimbrites (e.g. extensive rheomorphic ignimbrites) indicate particularly awesome styles of eruption and emplacement that are regionally devastating and which we do not fully comprehend. Such unimaginable eruptions are bound to occur again. If we are to interpret such catastrophic events correctly, and possibly even anticipate the impact of future occurrences, it is essential that ignimbrite sheet architectures are studied further in order to understand the mechanisms, rates and durations of the fundamental processes. Of particular importance in risk mitigation will be the understanding of early stages of such devastating eruptions. The new approaches and descriptive schemes presented in this Memoir are intended to stimulate and facilitate such future work.

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Contents

Geological Society, London, Memoirs

Pyroclastic Density Currents and the Sedimentation of Ignimbrites

Michael J. Branney
Michael J. Branney
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Peter Kokelaar
Peter Kokelaar
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Geological Society of London
Volume
27
ISBN electronic:
9781862394025
Publication date:
January 01, 2002

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