Arrested diatreme development: Standing Rocks East, Hopi Buttes, Navajo Nation, USA
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- 作者：Nathalie S. Lefebvrea ; nathalie.lefebvre@erdw.ethz.ch" class="auth_mail" title="E-mail the corresponding author ; James D.L. Whitea ; Bruce A. Kjarsgaardb
- 关键词：Maar&ndash ; diatreme ; Volcanic plumbing system ; Crater floor ; Phreatomagmatism ; Fissure ; Spatter
- 刊名：Journal of Volcanology and Geothermal Research
- 出版年：2016
- 出版时间：15 January 2016
- 年：2016
- 卷：310
- 期：Complete
- 页码：186-208
- 全文大小：14542 K
文摘
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Mapping reveals how shallow plumbing and vent structures evolve during an eruption.
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A diatreme “root zone” has been reclassified as an intra-fragmentation zone.
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We illustrate how fissure behavior can affect the ‘maturity’ of diatreme deposits.
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SRE deposits record an overall decrease in eruption footprint and intensity.
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It provides a series of unique snapshots of crater evolution during an eruption.