Determinación preliminar del Grado Metamórfico en base a la crisitalinidad de illita en algunas localidades del Noroeste de Argentina.
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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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Artículo
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Biblioteca Instituto de Geología y Mineria "Ing. Carlos F. Stubbe" | C-119 (Navegar estantería(Abre debajo)) | Disponible |
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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