Delayed phase change due to hot asthenosphere causes Transantarctic uplift?

Details Delayed phase change due to hot asthenosphere causes Transantarctic uplift? Delayed phase change due to hot asthenosphere causes Transantarctic uplift?

Jun 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984natur.309..536s&link_type=abstract

Nature (ISSN 0028-0836), vol. 309, June 7, 1984, p. 536-538. Sponsorship: Natural Environment Research Council.

Physics

26

Antarctic Regions, Continents, Mountains, Planetary Evolution, Vertical Motion, Earth Mantle, Land Ice, Orography, Rates (Per Time), Volcanoes

Scientific paper

The uplift of the Transantarctic Mountains is presently attributed to the delayed effect of the overriding, by east Antarctica, of an anomalously hot asthenosphere forming under west Antarctica in the late Cretaceous. Temperature and mantle heat flux increases cause an inferred uplift rate of 90 m/Myr about 50 Myr later. The late Cenozoic volcanism in the Transantarctic Mountains, typified by Victoria Land activity, is attributed to the previously heated continental lithosphere's overriding hot asthenosphere, which was brought under Antarctica upon its separation from Australia.

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