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Flood Basalts and Hot-Spot Tracks: Plume Heads and Tails

Richards, Mark A., Duncan, Robert A., Courtillot, Vincent E.·1989·Science
DOI 10.1126/science.246.4926.103
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Abstract

Continental flood basalt eruptions have resulted in sudden and massive accumulations of basaltic lavas in excess of any contemporary volcanic processes. The largest flood basalt events mark the earliest volcanic activity of many major hot spots, which are thought to result from deep mantle plumes. The relative volumes of melt and eruption rates of flood basalts and hot spots as well as their temporal and spatial relations can be explained by a model of mantle plume initiation: Flood basalts represent plume "heads" and hot spots represent continuing magmatism associated with the remaining plume conduit or "tail." Continental rifting is not required, although it commonly follows flood basalt volcanism, and flood basalt provinces may occur as a natural consequence of the initiation of hot-spot activity in ocean basins as well as on continents.

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Cited by

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Metadata

Authors
Richards, M. A., Duncan, R. A., & Courtillot, V. E.
Affiliations
  • Department of Geological Sciences, University of Oregon, Eugene, OR 97403.
  • College of Oceanography, Oregon State University, Corvallis, OR 97331.
  • Institut de Physique du Globe, Place Jussieu, 75005 Paris, France.
Venue
Science
Publisher
American Association for the Advancement of Science (AAAS)
Published
1989-10-06
Volume
246
Issue
4926
Pages
103-107
ISSN
  • 0036-8075
  • 1095-9203
DOI
10.1126/science.246.4926.103
Cited by
1,137
References
1
Language
en

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CoChat. (2026). Citation check: Flood Basalts and Hot-Spot Tracks: Plume Heads and Tails. https://app.cochat.ai/papers/10.1126/science.246.4926.103
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Richards, M. A., Duncan, R. A., & Courtillot, V. E. (1989). Flood Basalts and Hot-Spot Tracks: Plume Heads and Tails. Science. https://doi.org/10.1126/science.246.4926.103