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Abrupt thermal transition reveals hydrothermal boundary and role of seamounts within the Cocos Plate

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dc.creator Fisher, A. T.
dc.creator Stein, C. A.
dc.creator Harris, Robert N.
dc.creator Wang, K.
dc.creator Silver, E. A.
dc.creator Pfender, M.
dc.creator Hutnak, M.
dc.creator Cherkaoui, A.
dc.creator Bodzin, R.
dc.creator Villinger, H.
dc.date.accessioned 2010-04-22T21:43:10Z
dc.date.available 2010-04-22T21:43:10Z
dc.date.issued 2003
dc.identifier.citation Fisher, A. T., C. A. Stein, R. N. Harris, K. Wang, E. A. Silver, M. Pfender, M. Hutnak, A. Cherkaoui, R. Bodzin, and H. Villinger, Abrupt thermal transition reveals hydrothermal boundary and role of seamounts within the Cocos Plate, Geophys. Res. Lett., 30(11), 1550, doi:10.1029/2002GL016766, 2003 en
dc.identifier.uri http://hdl.handle.net/1957/15635
dc.description Copyrighted by American Geophysical Union en
dc.description.abstract New thermal data from 18–24 Ma lithosphere on the Cocos Plate delineate contrasting subsurface thermal conditions in adjacent sections of crust. Heat flow through seafloor created at the East Pacific Rise is generally suppressed by ~70% relative to conductive lithospheric cooling models, whereas heat flow through adjacent, similarly-aged lithosphere generated at the Cocos-Nazca Spreading Center is consistent with these models. The transition between thermal regimes is remarkably abrupt, only 2–5 km wide, indicating a shallow hydrothermal origin. The transition is more closely associated with differences in the distribution of basement outcrops than with tectonic boundaries, demonstrating the importance of the former in extracting heat from the lithosphere on a regional basis. en
dc.language.iso en_US en
dc.publisher American Geophysical Union en
dc.relation.ispartofseries Geophysical Research Letters en
dc.relation.ispartofseries Vol.30 No.11 (2003) en
dc.title Abrupt thermal transition reveals hydrothermal boundary and role of seamounts within the Cocos Plate en
dc.type Article en
dc.identifier.doi 10.1029/2002GL016766


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