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Clara Eugenia Cisterna, Magdalena Koukharsky, Beatriz Coira, Christina Günter, Horstpeter H. Ulbrich
Pág. 123 - 146
This study is focused on the analysis of volcanic deposits that crop out at the middle portion of the Las
Planchadas range, northern part of the Famatina System in Argentina. These volcanic rocks are records of an Ordovician
effusive basaltic volcanism t...
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Beatriz Coira, Clara E. Cisterna, Horstpeter H. Ulbrich, Umberto G. Cordani
Pág. 105 - 126
The Las Lozas volcanic sequence, which crops out at northwestern border of the Famatina belt-southeastern
Puna, NW Argentina, is constituted mainly by rhyolites and a lesser volume of basalts and trachytes, and volcanoclastic
deposits. These rocks, previ...
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Gilda Collo,Margarita Do Campo,Fernando Nieto
Pág. 284 - 318
The metamorphic P-T conditions of low-grade units from the Famatina belt, Central Andes of Ar¬gentina, were estimated through petrography, X-ray diffraction, and electron microscopy. For the Middle-Upper Cambrian Negro Peinado Formation a tectono-metamor...
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Gilda Collo,Ricardo A. Astini,Agustin Cardona,Margarita D. Do Campo,Umberto Cordani
Pág. 191 - 214
Many of the metamorphic and deformational events associated to low-grade units in NW Argentina have been linked with ancient orogenies, like the Pampean (Cambrian) and the Ocloyic (Ordovician) cycles. The lack of specific ages in the low-grade metamorphi...
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Miguel Ezpeleta,Ricardo A. Astini,Federico Davila
Pág. 253 - 278
In the Famatina belt, western Argentina, a -400 m thick conglomerate succession is extensively developed and has been previously considered as the uppermost section of a postglacial interval (late Pennsylvanian) of the Paganzo Group. Here we separate it ...
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