Palaeomagnetism and K—Ar ages of Lower Ordovician and Upper Silurian—Lower Devonian rocks from north‐west Argentina

Summary. In this paper we present palaeomagnetic data from 87 hand samples collected in a sequence of tuffs and shales (Surf Formation) of Llanvirnian age, exposed in north‐western Argentina (27° 47’ S, 68° 06’ W). After cleaning, the majority of samples showed reversed polarity and yielded a palaeo...

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Detalles Bibliográficos
Autores principales:	Valencio, D.A., Vilas, J.F., Mendia, J.E.
Formato:	JOUR
Acceso en línea:	http://hdl.handle.net/20.500.12110/paper_00168009_v62_n1_p27_Valencio
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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