Research output: Contribution to journal › Article › peer-review
Major Australian-Antarctic plate reorganization at Hawaiian-Emperor bend time. / Whittaker, J. M.; Müller, R. D.; Leitchenkov, G.; Stagg, H.; Sdrolias, M.; Gaina, C.; Goncharov, A.
In: Science, Vol. 318, No. 5847, 05.10.2007, p. 83-86.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Major Australian-Antarctic plate reorganization at Hawaiian-Emperor bend time
AU - Whittaker, J. M.
AU - Müller, R. D.
AU - Leitchenkov, G.
AU - Stagg, H.
AU - Sdrolias, M.
AU - Gaina, C.
AU - Goncharov, A.
PY - 2007/10/5
Y1 - 2007/10/5
N2 - A marked bend in the Hawaiian-Emperor seamount chain supposedly resulted from a recent major reorganization of the plate-mantle system there 50 million years ago. Although alternative mantle-driven and plate-shifting hypotheses have been proposed, no contemporaneous circum-Pacific plate events have been identified. We report reconstructions for Australia and Antarctica that reveal a major plate reorganization between 50 and 53 million years ago. Revised Pacific Ocean sea-floor reconstructions suggest that subduction of the Pacific-Izanagi spreading ridge and subsequent Marianas/Tonga-Kermadec subduction initiation may have been the ultimate causes of these events. Thus, these plate reconstructions solve long-standing continental fit problems and improve constraints on the motion between East and West Antarctica and global plate circuit closure.
AB - A marked bend in the Hawaiian-Emperor seamount chain supposedly resulted from a recent major reorganization of the plate-mantle system there 50 million years ago. Although alternative mantle-driven and plate-shifting hypotheses have been proposed, no contemporaneous circum-Pacific plate events have been identified. We report reconstructions for Australia and Antarctica that reveal a major plate reorganization between 50 and 53 million years ago. Revised Pacific Ocean sea-floor reconstructions suggest that subduction of the Pacific-Izanagi spreading ridge and subsequent Marianas/Tonga-Kermadec subduction initiation may have been the ultimate causes of these events. Thus, these plate reconstructions solve long-standing continental fit problems and improve constraints on the motion between East and West Antarctica and global plate circuit closure.
UR - http://www.scopus.com/inward/record.url?scp=35148876046&partnerID=8YFLogxK
U2 - 10.1126/science.1143769
DO - 10.1126/science.1143769
M3 - Article
AN - SCOPUS:35148876046
VL - 318
SP - 83
EP - 86
JO - Science
JF - Science
SN - 0036-8075
IS - 5847
ER -
ID: 35964737