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Natalia Villalba,Hugo Murcia,Edith Jerez,Daniel Piedrahita,Dayana Schonwalder-Ángel,Andrés Pardo-Trujillo,Sebastián Echeverri
Pág. 181 - 200
The Combia Volcanic Province (~11-5 Ma), is a volcaniclastic sequence located in northwest Colombia between the Central and Western cordilleras at 5-6° N latitude. Its source is associated with the volcanic activity of the magmatic arc produced by the su...
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Reynaldo Charrier,Lasafam Iturrizaga,Sébastien Carretier,Vincent Regard
Pág. 240 - 278
We present here a reconstruction of the post late Miocene landscape evolution of the western slope of the Andean Cordillera Principal near 34°20? S. We base our analysis on the available geological information, a morphological characterization of the lan...
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Sebastian Herrera, Luisa Pinto, Katja Deckart, Javier Cortés, Javier Valenzuela
Pág. 87 - 122
Crustal thickening by horizontal shortening and associated deformation have been broadly considered as
prime mechanisms for mountain building in the Central Andes of western South America. However, timing and structural
style of Andean orogeny in norther...
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Juan F. Presta,Pablo J. Caffe
Pág. 142 - 173
The monogenetic volcanism from the El Toro region (23º05?S-66º42?W) in NW Argentina comprises a group of low-volume (<5 km2) mafic volcanic rocks erupted during the Late Miocene-Pliocene in the northern Puna (Andean Central Volcanic Zone). The activit...
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Pamela Jara,Reynaldo Charrier
Pág. 174 - 209
New stratigraphical and geochronological constraints for the Mezo-Cenozoic deposits in the High Andes of central Chile between 32° and 32°30?S: Structural and palaeogeographic implications. Attempts to differentiate geological units of the Andean Princip...
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Charles R. Stern
Pág. 161 - 206
The Andean volcanic arc includes over 200 potentially active Quaternary volcanoes, and at least 12 giant caldera/ignimbrite systems, occurring in four separate segments referred to as the Northern, Central, Southern and Austral Volcanic Zones. Volcanism ...
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Renate M. Wall,Luis E. Lara
Pág. 243 - 258
The presence of Lower Miocene volcanic rocks in the Coastal Range of central Chile is unique in that the westernmost outcrops of the Oligocene-Miocene volcanic arc occur 80 km to the east. The Las Pataguas Lavas (LLP; 33,8°S) consists of a total exposed ...
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Gerhardt Worner,Leopoldo Lopez-Escobar,Stephen Moorbath,Susan Horn,Jürgen Entenmann,Russel S. Harmon ,Jon D. Davidson
Pág. 37 - 56
ABSTRACT. Local and regional geochemical variations in the quaternary volcanic front of the central Andes (17°30'-22°00'S), northern Chile. Geochemical data, obtained in samples from the 17°30'-22°00'S sector of the Quaternary volcanic front of the Centr...
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