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, P.L., Limarino, C.O., Marenssi, S.A.
Formato: Artículo publishedVersion
Publicado: 2005
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Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00044822_v60_n1_p251_Ciccioli
https://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=artiaex&d=paper_00044822_v60_n1_p251_Ciccioli_oai
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