Mathematics – Logic
Scientific paper
Aug 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986e%26psl..79..185m&link_type=abstract
Earth and Planetary Science Letters, Volume 79, Issue 1-2, p. 185-194.
Mathematics
Logic
4
Scientific paper
Paleomagnetic pole positions were estimated for several of the New England Seamounts by a simple dipole method. Computer poles are in agreement with poles determined by others for several seamounts in the chain using three-dimensional modeling. Collectively the poles plot in a swath which follows the late Mesozoic polar wander path across northern Siberia to the Bering Strait. It is shown that for relatively simple seamount geometries and dipole-like magnetic anomalies inclinations and declinations determined by the dipole method agree within a few degrees with those found by three-dimensional methods. Paleopole determinations by either method may be degraded by interfering neighboring anomalies and other effects, but the five poles considered best-determined are consistent with the overall distribution of poles. The distribution is not consistent with a model involving a hot spot origin or with geologic evidence suggesting origin during a brief time within the Cretaceous normal interval. Statistically, the poles are in much better agreement with the hypothesis that the seamounts are the same age as the sea floor underlying them.
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