Absolute Thellier paleointensities from Ponta Grossa dikes (southern Brazil) and the early Cretaceous geomagnetic field strength

Absolute Thellier paleointensities from Ponta Grossa dikes (southern Brazil) and the early Cretaceous geomagnetic field strength

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We report a detailed rock magnetic and Thellier paleointensity study from ~ 130.5 Ma Ponta Grossa Dike Swarms in Southern Brazil. Twenty-nine samples from seven cooling units were pre-selected for paleointensity experiments based on their low viscosity index, stable remanent magnetization and close...

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Bibliographic Details
Main Authors: J. Urrutia-Fucugauchi, L. M. Alva Valdivia, R. I. F. Trindade, A. Goguitchaichvili, J. Morales, R. Cejudo Ruiz
Format: Article
Language:English
Published: Universidad Nacional Autónoma de México, Instituto de Geofísica 2009-04-01
Series:Geofísica Internacional
Subjects:
Cretácico temprano
paleointensidades
magnetismo de rocas
diques Ponta Grossa
cuenca del Paraná
Brasil
Online Access:http://www.geofisica.unam.mx/unid_apoyo/editorial/publicaciones/investigacion/geofisica_internacional/anteriores/2009/02/6avto.pdf

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