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Determinación preliminar del Grado Metamórfico en base a la crisitalinidad de illita en algunas localidades del Noroeste de Argentina.

Por: Tipo de material: ArtículoIdioma: Español; Castellano Tema(s): Género/Forma: En: Revista del Instituto de Ciencias Geológicas no.4,. p.19-26Resumen: Illite crystallinity is the criteria used to assess the degree of metamorphism of paleozoic pelitic rocks from Negro Peinado and Volcáncito formations from the Famatina; Puncoviscana formation from Cordillera Oriental; Falda Cienega formation from Puna and Suncho formation from Sierras Pampeanas. -The metamorphism correspond to the anchizone (anchimetamorphismor very low grade metamorphism). -The cristallinity of illite has been determined in sedimentation samples of different grain size (2u; 2-6, 3u and 6,3u).-The peak with at halt heght (Hb) of the (001) reflection serves as a measure of cristallinity and the value of relative Halbwertsbreite (Hbrel) by the fraction 2u defined the level for the metamorphism. An external quartz standard has been used.
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Relevamiento: 1981.

Illite crystallinity is the criteria used to assess the degree of metamorphism of paleozoic pelitic rocks from Negro Peinado and Volcáncito formations from the Famatina; Puncoviscana formation from Cordillera Oriental; Falda Cienega formation from Puna and Suncho formation from Sierras Pampeanas. -The metamorphism correspond to the anchizone (anchimetamorphismor very low grade metamorphism). -The cristallinity of illite has been determined in sedimentation samples of different grain size (2u; 2-6, 3u and 6,3u).-The peak with at halt heght (Hb) of the (001) reflection serves as a measure of cristallinity and the value of relative Halbwertsbreite (Hbrel) by the fraction 2u defined the level for the metamorphism. An external quartz standard has been used.

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