Results 21 to 30 of about 1,707 (195)
Remote Sensing, 2023 The Afar and Ethiopian plateaus are in a dynamic uplift due to the mantle plume, therefore, considering the plume effect is necessary for any geophysical investigation including the estimation of lithospheric stress in this area. The Earth gravity models
Andenet A. Gedamu +2 more
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Nature Communications, 2023 Recent studies indicate that mantle plumes, which transfer material and heat from the earth’s interior to its surface, represent multifaceted upwellings.
Stephan Homrighausen +6 more
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Plume-Induced Subduction Initiation: Revisiting Models and Observations
Frontiers in Earth Science, 2021 Subduction initiation induced by a hot and buoyant mantle plume head is unique among proposed subduction initiation mechanisms because it does not require pre-existing weak zones or other forces for lithospheric collapse.
Marzieh Baes +6 more
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The deep Earth origin of the Iceland plume and its effects on regional surface uplift and subsidence [PDF]
Solid Earth, 2017 The present-day seismic structure of the mantle under the North Atlantic Ocean indicates that the Iceland hotspot represents the surface expression of a deep mantle plume, which is thought to have erupted in the North Atlantic domain during the ...
N. Barnett-Moore +3 more
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, 2021 The stagnation and dehydration of the Pacific Plate slab in the mantle transition zone are widely accepted to have resulted in Mesozoic and Cenozoic volcanic activities and the formation of the Songliao Basin in NE China. However, this notion has been challenged by recent seismic studies.
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An emerging plume head interacting with the Hawaiian plume tail
The Innovation, 2023 The Hawaiian-Emperor seamount chain has shown two subparallel geographical and geochemical volcanic trends, Loa and Kea, since ∼5 Ma, for which numerous models have been proposed that usually involve a single mantle plume sampling different compositional
Lipeng Zhang +6 more
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Komatiites From Mantle Transition Zone Plumes
Frontiers in Earth Science, 2020 During the Archean, episodic volcanism commonly included both plume- and arc-type magmatism, raising the issue of a possible link between “bottom up” and “top down” geodynamic processes.
Derek Wyman
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Frontiers in Earth Science, 2014 The recently discovered high, plume-like 3He/4He ratios at Rungwe Volcanic Province (RVP) in southern Tanzania, similar to those at the Main Ethiopian Rift in Ethiopia, strongly suggest that magmatism associated with continental rifting along the entire ...
Paterno R Castillo +3 more
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Are Mantle Plumes Periodic? [PDF]
Eos, Transactions American Geophysical Union, 2013 In the past few years, researchers have uncovered evidence that several kinds of geological and biological events seem to show regular cycles of similar lengths. For example, Rohde and Muller [2005] looked at the record of diversity of marine organisms over the past 540 million years and found evidence for two cycles in the data—a roughly 62‐million ...
Michael R. Rampino, Andreas Prokoph
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Mantle plumes and mantle dynamics in the Wilson cycle [PDF]
Geological Society, London, Special Publications, 2018 Abstract This review discusses the thermal evolution of the mantle following large-scale tectonic activities such as continental collision and continental rifting. About 300 myr ago, continental material amalgamated through the large-scale subduction of oceanic seafloor, marking the termination of one or more oceanic basins (e.g.
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