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Science 14 January 2005:
Vol. 307. no. 5707, pp. 240 - 244
DOI: 10.1126/science.1105826
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Reports

Corrected Late Triassic Latitudes for Continents Adjacent to the North Atlantic

Dennis V. Kent1,2* and Lisa Tauxe3

We use a method based on a statistical geomagnetic field model to recognize and correct for inclination error in sedimentary rocks from early Mesozoic rift basins in North America, Greenland, and Europe. The congruence of the corrected sedimentary results and independent data from igneous rocks on a regional scale indicates that a geocentric axial dipole field operated in the Late Triassic. The corrected paleolatitudes indicate a faster poleward drift of ~0.6 degrees per million years for this part of Pangea and suggest that the equatorial humid belt in the Late Triassic was about as wide as it is today.

1 Department of Geological Sciences, Rutgers University, Piscataway, NJ 08854, USA.
2 Lamont-Doherty Earth Observatory of Columbia University (LDEO), Palisades, NY 10964, USA.
3 Scripps Institution of Oceanography, La Jolla, CA 92093, USA.

* To whom correspondence should be addressed. E-mail: dvk{at}rci.rutgers.edu

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THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
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Science. ISSN 0036-8075 (print), 1095-9203 (online)