EarthRef.org Reference Database (ERR) -- Pick & Tauxe 1993

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Pick & Tauxe 1993

Pick, T. and Tauxe, L. (1993). Geomagnetic Palaeointensities During the Cretaceous Normal Superchron Measured Using Submarine Basaltic Glass. Nature 366(6452): 238-242. doi: 10.1038/366238a0.

High-quality palaeointensity data have been obtained from Thellier-Thellier experiments on recent and Cretaceous submarine basaltic glasses. Whereas the recent samples faithfully yield today's geomagnetic intensity at the site, the palaeointensities for the beginning and end of the Cretaceous normal superchron are only 45% and 25%, respectively, of today's value. The data thus extend the 'Mesozoic dipole low' into the Cretaceous superchron, and confirm that submarine basaltic glass is an excellent material for palaeointensity studies.

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Keywords
magnetic-field reversals, polarity reversals, pillow basalts, mantle plumes, paleointensities, paleomagnetism, frequency, geodynamo, intensity, core

Journal
Nature
http://www.nature.com/nature/

Publisher
Nature Publishing Group
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