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Abstract:

The igneous-metamorphic basement of western Sierra de La Huerta, western Sierras Pampeanas of San Juan province, is exposed in Loma de Las Chacras. The metamorphic basement, assigned to the Valle Fertil Complex, is characterized by mid grade amphibolite facies, and by low grade greenschist facies. Different formations are recognized based on the metamorphic grade and composition; the metamorphic rocks were derived from either igneous or sedimentary protoliths. The mineral assemblages are analyzed and a tentative P-T path is proposed based on index minerals. The different metamorphic sequences enable the reconstruction of the geologic history of this area from the point of view of global tectonic principles. -from English summary

Registro:

Documento: Artículo
Título:Geology of the igneous-metamorphic basement of the Loma de Las Chacras, Sierra de La Huerta, San Juan
Autor:Vujovich, G.I.
Filiación:Depto Ciencias Geologicas, Universidad de Buenos Aires, Pabellon 2, Ciudad Universitaria, Buenos Aires, Argentina, Argentina
Palabras clave:amphibolite facies; igneous/metamorphic basement; metamorphism; tectonic evolution; Argentina; San Juan; Sierra de La Huerta; Sierras Pampeanas
Año:1994
Volumen:49
Número:3-4
Página de inicio:321
Página de fin:336
Título revista:Revista - Asociacion Geologica Argentina
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_NIS00041_v49_n3-4_p321_Vujovich

Citas:

---------- APA ----------
(1994) . Geology of the igneous-metamorphic basement of the Loma de Las Chacras, Sierra de La Huerta, San Juan . Revista - Asociacion Geologica Argentina, 49(3-4), 321-336.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_NIS00041_v49_n3-4_p321_Vujovich [ ]
---------- CHICAGO ----------
Vujovich, G.I. "Geology of the igneous-metamorphic basement of the Loma de Las Chacras, Sierra de La Huerta, San Juan " . Revista - Asociacion Geologica Argentina 49, no. 3-4 (1994) : 321-336.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_NIS00041_v49_n3-4_p321_Vujovich [ ]
---------- MLA ----------
Vujovich, G.I. "Geology of the igneous-metamorphic basement of the Loma de Las Chacras, Sierra de La Huerta, San Juan " . Revista - Asociacion Geologica Argentina, vol. 49, no. 3-4, 1994, pp. 321-336.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_NIS00041_v49_n3-4_p321_Vujovich [ ]
---------- VANCOUVER ----------
Vujovich, G.I. Geology of the igneous-metamorphic basement of the Loma de Las Chacras, Sierra de La Huerta, San Juan . 1994;49(3-4):321-336.
Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_NIS00041_v49_n3-4_p321_Vujovich [ ]