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Beatriz Coira,Claudia I. Galli,Suzanne Mahlburg Kay,Daniel F. Stockli,Patrocinio Flores,Emilio Eveling
Pág. 208 - 237
Ash-fall tuffs of the Pliocene-Pleistocene deposits of Humahuaca and Casa Grande intermountain basins, northwestern Argentina, have been differentiated into two groups based on new geochemical and geochronological data which correspond to the tuffs of th...
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Gabriel Ureta, Károly Németh, Felipe Aguilera and Rodrigo González
Maar volcanoes are monogenetic landforms whose craters cut below the pre-eruptive surface and are surrounded by a tephra ring. Both the maar crater and the surrounding tephra rim deposits are typically formed due to magma?water explosive interactions. No...
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Claudia Prezzi,María Paula Iglesia
Pág. 279 - 294
Along the Central Andes a pattern of vertical axis tectonic rotations has been paleomagnetically identified.Such rotations are counterclockwise north of Arica Deflection (~19°S) and clockwise to the south. Different hypothesisand models have been propose...
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