Paleomagnetic evidence for a pre-early Eocene (∼ 50 Ma) bending of the Patagonian orocline (Tierra del Fuego, Argentina): Paleogeographic and tectonic implications

The southernmost segment of the Andes of southern Patagonia and Tierra del Fuego forms a ∼ 700 km long orogenic re-entrant with an interlimb angle of ∼ 90° known as Patagonian orocline. No reliable paleomagnetic evidence has been gathered so far to assess whether this great orogenic bend is a primar...

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Detalles Bibliográficos
Autores principales:	Maffione, M., Speranza, F., Faccenna, C., Rossello, E.
Formato:	JOUR
Materias:	Drake Passage Fuegian Andes Magallanes belt paleomagnetism Patagonian orocline tectonics Anisotropy of magnetic susceptibility Antarctica Argentina Early Miocene Global climates Iron sulphide Lower bounds Magnetic lineations Marine clays Orocline Paleomagnetic evidence Patagonia Relative motion Sampling site South America Strike-slip fault Strike-slip fault systems Tectonic implications Clay minerals Control theory Geomagnetism Glacial geology Iron ores Magnetic anisotropy Magnetic susceptibility Oxide minerals Rotation Structural geology Tectonics bending Cretaceous-Tertiary boundary deformation mechanism displacement Eocene fold and thrust belt iron sulfide magnetic anisotropy magnetite orogeny paleogeography plate motion reliability analysis seafloor spreading strike-slip fault tectonic setting Tierra del Fuego [(PRV) Argentina]
Acceso en línea:	http://hdl.handle.net/20.500.12110/paper_0012821X_v289_n1-2_p273_Maffione
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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