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Hotspots and sunspots - Surface tracers of deep mantle convection in the earth and sunThe evolution of the hot-spot distribution on earth in time and space is investigated using available age data. The statistics of continental flood basalt eruptions suggests the formation of a total of about 40 hot spots worldwide during the Cenozoic and Mesozoic, with no true antipodal pairs found. It was found that hot spots tend to concentrate mainly in mid-latitudes, but the pattern of new appearances of hot spots may migrate from high to low latitudes in both hemispheres in long cycles, and may also drift in longitude, although much more slowly prograde.
Document ID
19930064417
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Stothers, Richard B.
(NASA Goddard Inst. for Space Studies New York, United States)
Date Acquired
August 16, 2013
Publication Date
April 1, 1993
Publication Information
Publication: Earth and Planetary Science Letters
Volume: 116
Issue: 1-4
ISSN: 0012-821X
Subject Category
Geosciences (General)
Accession Number
93A48414
Distribution Limits
Public
Copyright
Other

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