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Fernando Sardi, Adriana Heimann, Pablo Grosse
Pág. 86 - 104
The specialized leuco-monzogranite of the La Chinchilla Stock is a small Carboniferous stock located
in the center of the Velasco Range, Pampean Province, La Rioja, Argentina. It is highly evolved and locally F- and
Be-bearing, and has the potential for ...
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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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John Stith Pallister,Angela K. Diefenbach,William C. Burton,Jorge Muñoz,Julia P. Griswold,Luis E. Lara,Jacob B. Lowenstern,Carolina E. Valenzuela
Pág. 277 - 294
We use geologic field mapping and sampling, photogrammetric analysis of oblique aerial photographs, and digital elevation models to document the 2008-2009 eruptive sequence at Chaitén Volcano and to estimate volumes and effusion rates for the lava dome. ...
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Sebastian F.L. Watt,David M. Pyle,Tamsin A. Mather
Pág. 335 - 348
Huequi, a little-known volcano in the southern part of the Andean southern volcanic zone (SSVZ), shows a regionally unusual eruption style, mineralogy and geochemistry. The volcano comprises multiple highly-eroded lava domes. Past eruptions were accompan...
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Jorge Skarmeta
Pág. 393 - 413
Cataclastic and mylonitic rocks exposed in the southwestern part of the Peninsula de Mejillones, northern Chile, are intruded at high angles of the foliation by younger, steeply inclined (±70°) basaltic dykes that resemble intru¬sive tension gashes with ...
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