Results 11 to 20 of about 855,262 (110)
Estudios Geologicos, 1998 La Sierra de Copacabana es una unidad orográfica emplazada en el ambiente de Sierras Pampeanas Noroccidentales, al E del Sistema de Famatina. Tanto su basamento, compuesto por rocas metamórficas de grado medio formadas durante el ciclo Pampeano, como los
J. P. López
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Revista Mexicana de Ciencias Geológicas, 2018 La Formación La Aguadita aflora en la zona central del Sistema de Famatina (28º39’ S), antepaís andino de Argentina, y es interpretada como producto de sedimentación sinorogénica en una cuenca de retroarco desarrollada en el margen occidental de ...
Gilda Collo +2 more
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Publicación Electrónica de la Asociación Paleontológica Argentina, 2015 The Ordovician Suri Formation, exposed in the northern part of Sierra de Narváez (Famatina System) records deposition in a wide variety of marine depositional environments strougly affected by arc volcanism.
M. Gabriela Mangano +2 more
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The Cambrian System in Northwestern Argentina : stratigraphical and palaeontological framework [PDF]
, 2003 Cambrian sequences are widespread in the early Paleozoic of the Central Andean Basin. Siliciclastic sediments dominate these sequences although several minor occurrences of carbonates and volcanic rocks have been observed.
Aceñolaza, G. F. +3 more
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Biogenic and physical sedimentary structures in latest Cambrian-earliest Ordovician mudrock facies (Famatina Range, Northwestern Argentina) [PDF]
, 2003 Lamination is a common feature in shales and other mud-dominated rocks. When combined with other geological evidence, the diverse lamination types can provide important information about sedimentary processes and depositional environments.
Esteban, S.B.
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Estudios Geologicos, 1992 Se realiza un estudio petrológico estructural de las unidades que componen el extremo septentrional de la Sierra de Copacabana, que se localiza en el ámbito de las Sierras Pampeanas Noroccidentales.
J. P. López
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Biostratigraphic significance of the latest Cambrian-earliest Ordovician agnostoid trilobites from Northwestern Argentina [PDF]
, 2003 The biostratigraphic significance of the latest Cambrian-earliest Ordovician trilobite agnostoids from northwestern Argentina is summarized. A characterization of the faunas recognized below and above the Cambrian-Ordovician boundary is presented on the ...
Tortello, M. F.
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Latin American Journal of Sedimentology and Basin Analysis, 2021 En este trabajo se analiza la expresión estratigráfica y significado geológico de la superficie que separa a las formaciones Vinchina (Mioceno) y Toro Negro (Mioceno Tardío-Plioceno), las que afloran conformando la Sierra de Los Colorados (oeste de la ...
Carlos O. Limarino +2 more
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An Early Ordovician (Floian) Conodont Fauna from the Eastern Cordillera of Peru (Central Andean Basin) [PDF]
, 2008 Late Floian conodonts are recorded from a thin limestone lens intercalated in the lower part of the San José Formation at the Carcel Puncco section (Inambari River), Eastern Cordillera of Peru.
Albanesi, G. L., +4 more
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La Horqueta Shear Zone, Sierra de Velasco, NW Argentina: petrography, geochemistry, structures and tectonic significance [PDF]
, 2007 La Faja de Deformación La Horqueta (FDLH) es la sexta faja de cizalla reconocida en la sierra de Velasco, Sierras Pampeanas, NO de Argentina. Esta faja separa dos tipos de metagranitoides de características petrográficas y geoquímicas contrastadas ...
Grosse, Pablo +2 more
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