Technical Comments

Comment on "Major Australian-Antarctic Plate Reorganization at Hawaiian-Emperor Bend Time"

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Science  25 Jul 2008:
Vol. 321, Issue 5888, pp. 490
DOI: 10.1126/science.1157163

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Whittaker et al. (Reports, 5 October 2007, p. 83) presented reconstructions for Australia and Antarctica showing a change in relative plate motion ∼53 million years ago, coincident with an inferred major global plate reorganization. This comment addresses problematic areas in their assumptions and the geological consequences of their reconstructions.

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