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Cited by 349

The DOI matches its Crossref record; 37 of the 37 references it cites were found in a registry or an index.

Seismic structure and origin of hotspots and mantle plumes

Zhao, Dapeng·2001·Earth and Planetary Science Letters
DOI 10.1016/s0012-821x(01)00465-4
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Abstract

Abstract A new global tomography approach has been used to study the deep structure and dynamics of hotspots and mantle plumes. In this approach, depth variations of the Moho, 410 and 660 km discontinuities are considered, the Earth structure is expressed by seismic velocities at grid nodes instead of blocks, and ray paths and travel times are calculated with a 3-D ray tracing technique. Prominent plume-like slow anomalies are detected under major hotspot regions from the crust down to the core–mantle boundary (CMB). Hotspots in Hawaii, Iceland, South Pacific and East Africa are located above slow anomalies in the lower mantle down to the CMB, suggesting that the mantle plumes under those hotspots may originate from the CMB. However, there may be some small-scaled, weak plumes originating from the transition zone or middle mantle depths. The slow anomalies under hotspots usually do not show a vertical pillar shape, which suggests that plumes are not fixed in the mantle but can be deflected by the mantle flow. As a consequence, hotspots are not fixed but can wander on the Earth’s surface, as evidenced by recent geomagnetic and numerical modeling studies.

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Metadata

Authors
Zhao, D.
Venue
Earth and Planetary Science Letters
Publisher
Elsevier BV
Published
2001-10
Volume
192
Issue
3
Pages
251-265
ISSN
0012-821X (ISSN-L)
DOI
10.1016/s0012-821x(01)00465-4
OpenAlex
W2139854519
Cited by
349
References
37
FWCI
19.57
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Seismic structure and origin of hotspots and mantle plumes. https://app.cochat.ai/papers/10.1016/s0012-821x(01)00465-4
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Zhao, D. (2001). Seismic structure and origin of hotspots and mantle plumes. Earth and Planetary Science Letters. https://doi.org/10.1016/s0012-821x(01)00465-4

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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