Direct dating of paleomagnetic results from Precambriam sediments in the Amazon craton: evidence from Grenvillian emplacement of exotic crust in SE Appalachians of North America - D'Agrella Filho, Manoel Souza; Tohver, Eric; Santos, João O. S; Elming, Sten-Ake; Trindade, Ricardo Ivan Ferreira da; Pacca, Igor Ivory Gil; Geraldes, Mauro Cesar (Earth and Planetary Science Letters, 2008)