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Clinoptilolita en la toba riolítica de la Fm Castillo (Prov. de Chubut)

Authors: Zunino, Juan; Maiza, Pedro J.; Marfil, Silvina A.;

Clinoptilolita en la toba riolítica de la Fm Castillo (Prov. de Chubut)

Abstract

Se estudiaron los minerales de alteración presentes en una toba riolítica de la Fm Castillo (Grupo Chubut). Se trabajó con microscopio de polarización sobre secciones delgadas. Se identificaron ceolitas del grupo de la clinoptilolita-heulandita con cloritas subordinadas. Se utilizó DRX, SEM y EDAX para caracterizar la ceolita. La escasa cantidad de clorita no permitió obtener suficiente material para realizar estudios de detalle. La estructura cristalina, determinada por difractometría de rayos X, la morfología observada con el microscopio electrónico y la presencia de Na y K determinado con EDAX permitieron concluir que la ceolita estudiada es una clinoptilolita.

An alteration mineral association, hosted in rhyolitic tuffs of the Fm Castillo (Chubut Group), was studied by polarization microscopy, XRD, SEM and EDAX. Zeolites of the clinoptilolite – heulandite group were identified with chlorites subordinates. The crystalline structure, determined by XRD, the morphology observed by SEM and the presence of Na and K controlled by EDAX allows to conclude that the zeolite is clinoptilolite.

Fil: Marfil, Silvina Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Geológico del Sur. Universidad Nacional del Sur. Departamento de Geología. Instituto Geológico del Sur; Argentina

Fil: Maiza, Pedro Jose. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Geológico del Sur. Universidad Nacional del Sur. Departamento de Geología. Instituto Geológico del Sur; Argentina

Fil: Zunino, Juan. Universidad Nacional del Sur. Departamento de Geología. ; Argentina

Country
Argentina
Keywords

cliniptilolita, toba riolítica, Clinoptilolite, Zeolite, Rhyolitic tuffs, https://purl.org/becyt/ford/1.5, Ceolita, Chubut, Cliniptilolita, Geología, Toba riolítica, https://purl.org/becyt/ford/1, ceolita

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green