New radiometric ages for the Toro Negro Formation in the Sierra de los Colorados, northwestern Sierras Pampeanas

New absolute ages derived from whole rock K/Ar dating of two vitric tuffs collected from the upper-middle part of the Toro Negro Formation in the outcrops of the Sierra de Los Colorados, Sierras Pampeanas Noroccidentales (La Rioja Province) are presented herein. The obtained values of 8,6 ± 0,3 Ma a...

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Detalles Bibliográficos
Autores principales:	Ciccioli, Patricia Lucía, Limarino, Carlos Oscar, Marenssi, Sergio Alfredo
Publicado:	2005
Materias:	K/Ar ages La Rioja Province Toro Negro Formation Upper Miocene
Acceso en línea:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00044822_v60_n1_p251_Ciccioli http://hdl.handle.net/20.500.12110/paper_00044822_v60_n1_p251_Ciccioli
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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