From shales to slates: The magnetite and pyrrhotite temperature windows

Charles T Aubourg, University of Pau and Pays de l'Adour, Pau, France, Michael J Jackson, University of Minnesota Twin Cities, Department of Earth Sciences, Minneapolis, MN, United States and Maxime Ducoux, ISTO Institut des Sciences de la Terre d'Orléans, Orléans Cedex 2, France