Revised geochronology of the Casamayoran South American Land Mammal Age: Climatic and biotic implications

Isotopic age determinations (40Ar/39Ar) and associated magnetic polarity stratigraphy for Casamayoran age fauna at Gran Barranca (Chubut, Argentina) indicate that the Barrancan 'subage' of the Casamayoran South American Land Mammal 'Age' is late Eocene, 18 to 20 million years you...

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Detalles Bibliográficos
Autor principal:	Ré, Guillermo Héctor
Publicado:	1999
Materias:	Eocene Mammalian evolution Paleontology South America age determination analytic method article chronology cold climate mammal physical anthropology priority journal wildlife Invertebrata Mammalia Vertebrata
Acceso en línea:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00278424_v96_n23_p13235_Kay http://hdl.handle.net/20.500.12110/paper_00278424_v96_n23_p13235_Kay
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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