New early Jurassic paleopole from France and Jurassic apparent polar wander

Details New early Jurassic paleopole from France and Jurassic apparent polar wander New early Jurassic paleopole from France and Jurassic apparent polar wander

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993e%26psl.115...13s&link_type=abstract

Earth and Planetary Science Letters, Volume 115, Issue 1-4, p. 13-27.

Physics

9

Scientific paper

A new early Jurassic paleopole for stable Europe obtained from a doleritic dyke system in Brittany, France is given at latitude 61°N and longitude 79°E (K = 36 and A95 = 10.2°) based on seven equivalent sites and more than a hundred samples demagnetized by alternating field and thermal treatments (D = 41°, I = 62°, k = 66, α95 = 7.5°). Radiometric datings provide ages between 190 and 200 Ma. This result represents the first indication obtained from European igneous data for a very westerly cusp in the Apparent Polar Wander Path around 200 Ma. The European data also tend to support the hypothesis of a higher latitude track for the Jurassic APWP as already proposed from North American data.

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