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Hot spot and trench volcano separationsIt is suggested that the distribution of separations between trench volcanos located along subduction zones reflects the depth of partial melting, and that the separation distribution for hot spot volcanoes near spreading centers provides a measure of the depth of mantle convection cells. It is further proposed that the lateral dimensions of mantle convection cells are also represented by the hot-spot separations (rather than by ridge-trench distances) and that a break in the distribution of hot spot separations at 3000 km is evidence for both whole mantle convection and a deep thermal plume origin of hot spots.
Document ID
19740052372
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Lingenfelter, R. E.
Schubert, G.
(California, University Los Angeles, Calif., United States)
Date Acquired
August 7, 2013
Publication Date
June 28, 1974
Publication Information
Publication: Nature
Volume: 249
Subject Category
Geophysics
Accession Number
74A35122
Distribution Limits
Public
Copyright
Other

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