Reports

True Polar Wander since the Early Cretaceous

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Science  28 Mar 1975:
Vol. 187, Issue 4182, pp. 1193-1196
DOI: 10.1126/science.187.4182.1193

Abstract

The motions of the lithospheric plates have been reconstructed for three time intervals back to the Early Cretaceous. These displacements were analyzed to determine the best-fitting rigid rotation, which could then be ascribed to true polar wander. The true polar wander so obtained is no larger than a few degrees and is within the magnitude of the uncertainties involved.