Ramírez de Velasco basalts: New outcrops of basic rocks in the homonymous range, Santiago del Estero

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In this paper new basaltic outcrops from Ramírez de Velasco ranger (Santiago del Estero province) are described. They are basaltic dikes that vary from few meters to two kilometers long across the igneous basement. All these rocks show dark colors with aphyric (S9 sample) to porphyritic (S17 and S20...

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Detalles Bibliográficos
Autores principales:	Leal, P.R., Miró, R.
Formato:	Artículo publishedVersion
Lenguaje:	Inglés
Publicado:	2010
Materias:	Basalts Pampean ranges Ramírez de velasco augite basalt basement rock chemical composition dike emplacement geochemistry igneous rock labradorite magmatism mineral alteration mineralogy outcrop petrography phenocryst plagioclase texture trace element volcanism Argentina Santiago del Estero [Argentina] Sierras de Cordoba
Acceso en línea:	http://hdl.handle.net/20.500.12110/paper_00044822_v67_n1_p65_Leal
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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