Geology and petrology of the plutons of Tapera de Burgos, Arroyo El Rapido and Cerro Caquel Languineo Department, Chubut Province

These plutons are epizonal bodies whose compositions are basic to intermediate (Cerro Caquel), intermediate (Tapera de Burgos) and intermediate to acid (Arroyo El Rapido). Major element relationships indicate metaluminous to weakly peraluminous characteristics and calcalkaline affinites; the main pe...

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Autores principales: Lopez De Luchi, M.G., Spikermann, J.P., Strelin, J.A., Morelli, J.
Formato: JOUR
Materias:
I type magmatism
igneous petrology
Mesozoic
pluton
potassium/argon dating
Tertiary
Argentina
Chubut
Languineo
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_NIS00297_v47_n1_p87_LopezDeLuchi
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_NIS00297_v47_n1_p87_LopezDeLuchi
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spelling todo:paper_NIS00297_v47_n1_p87_LopezDeLuchi2023-10-03T16:45:38Z Geology and petrology of the plutons of Tapera de Burgos, Arroyo El Rapido and Cerro Caquel Languineo Department, Chubut Province Lopez De Luchi, M.G. Spikermann, J.P. Strelin, J.A. Morelli, J. I type magmatism igneous petrology Mesozoic pluton potassium/argon dating Tertiary Argentina Chubut Languineo These plutons are epizonal bodies whose compositions are basic to intermediate (Cerro Caquel), intermediate (Tapera de Burgos) and intermediate to acid (Arroyo El Rapido). Major element relationships indicate metaluminous to weakly peraluminous characteristics and calcalkaline affinites; the main petrographic types, gabbro, diorite, quartz-monzodiorite, tonalite and granodiorite, together with other petrological features, indicate I-type magmatism. The plutons have distinct K/Ar ages: Middle Jurassic-Lower Cretaceous (Cerro Caquel), Upper Cretaceous (Arroyo El Rapido) and Oligocene (Tapera de Burgos). Basic sources, advocated universally in the genesis of Andean magmatism, can be proposed here on the basis of the close association of basic and intermediate rocks and in their coexistence with volcanic sequences of similar composition. -from English summary Fil:Spikermann, J.P. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Strelin, J.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Morelli, J. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_NIS00297_v47_n1_p87_LopezDeLuchi
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic I type magmatism
igneous petrology
Mesozoic
pluton
potassium/argon dating
Tertiary
Argentina
Chubut
Languineo
spellingShingle I type magmatism
igneous petrology
Mesozoic
pluton
potassium/argon dating
Tertiary
Argentina
Chubut
Languineo
Lopez De Luchi, M.G.
Spikermann, J.P.
Strelin, J.A.
Morelli, J.
Geology and petrology of the plutons of Tapera de Burgos, Arroyo El Rapido and Cerro Caquel Languineo Department, Chubut Province
topic_facet I type magmatism
igneous petrology
Mesozoic
pluton
potassium/argon dating
Tertiary
Argentina
Chubut
Languineo
description These plutons are epizonal bodies whose compositions are basic to intermediate (Cerro Caquel), intermediate (Tapera de Burgos) and intermediate to acid (Arroyo El Rapido). Major element relationships indicate metaluminous to weakly peraluminous characteristics and calcalkaline affinites; the main petrographic types, gabbro, diorite, quartz-monzodiorite, tonalite and granodiorite, together with other petrological features, indicate I-type magmatism. The plutons have distinct K/Ar ages: Middle Jurassic-Lower Cretaceous (Cerro Caquel), Upper Cretaceous (Arroyo El Rapido) and Oligocene (Tapera de Burgos). Basic sources, advocated universally in the genesis of Andean magmatism, can be proposed here on the basis of the close association of basic and intermediate rocks and in their coexistence with volcanic sequences of similar composition. -from English summary
format JOUR
author Lopez De Luchi, M.G.
Spikermann, J.P.
Strelin, J.A.
Morelli, J.
author_facet Lopez De Luchi, M.G.
Spikermann, J.P.
Strelin, J.A.
Morelli, J.
author_sort Lopez De Luchi, M.G.
title Geology and petrology of the plutons of Tapera de Burgos, Arroyo El Rapido and Cerro Caquel Languineo Department, Chubut Province
title_short Geology and petrology of the plutons of Tapera de Burgos, Arroyo El Rapido and Cerro Caquel Languineo Department, Chubut Province
title_full Geology and petrology of the plutons of Tapera de Burgos, Arroyo El Rapido and Cerro Caquel Languineo Department, Chubut Province
title_fullStr Geology and petrology of the plutons of Tapera de Burgos, Arroyo El Rapido and Cerro Caquel Languineo Department, Chubut Province
title_full_unstemmed Geology and petrology of the plutons of Tapera de Burgos, Arroyo El Rapido and Cerro Caquel Languineo Department, Chubut Province
title_sort geology and petrology of the plutons of tapera de burgos, arroyo el rapido and cerro caquel languineo department, chubut province
url http://hdl.handle.net/20.500.12110/paper_NIS00297_v47_n1_p87_LopezDeLuchi
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