Browsing by Author "03b6bf9b-4597-40a5-b717-4e3627942811"

Now showing items 1-3 of 3

Artículo

Late Cretaceous-early Eocene counterclockwise rotation of the Fueguian Andes and evolution of the ...

Poblete, F.; Roperch, Pierrick; Arriagada Ortega, César; Ruffet, Gilles; de Arellano Ramírez, C.; Hervé Allamand, Francisco; Poujol, M. (Elsevier, 2016)

The southernmost Andes of Patagonia and Tierra del Fuego present a prominent arc-shaped structure: the Patagonian Bend. Whether the bending is a primary curvature or an orocline is still matter of controversy. New paleomagnetic ...
Artículo

Surface vitrification caused by natural fires in Late Pleistocene wetlands of the Atacama Desert

Roperch, Pierrick; Gattacceca, Jerome; Valenzuela, Millarca; Devouard, Bertrand; Lorand, Jean Pierre; Arriagada Ortega, César; Rochette, Pierre; Latorre, Claudio; Beck, Pierre (Elsevier, 2017-07-01)

We describe extended occurrences of unusual silicate glass surface layers from the Atacama Desert (Chile). These glasses, found near the town of Pica at four localities separated by up to 70 km, are neither fulgurites, nor ...
Artículo

Syntectonic emplacement of the Middle Jurassic Concon Mafic Dike Swarm, Coastal Range, central Chile (33 degrees S)

Creixell, Christian; Parada Reyes, Miguel; Roperch, Pierrick; Morata Céspedes, Diego; Arriagada Ortega, César; Pérez de Arce, Carlos (ELSEVIER, 2006-10-13)

The Concon Mafic Dike Swarm (CMDS) consists of basaltic to andesitic dikes emplaced into deformed Late Palcozoic granitoids during the development of the Jurassic arc of central Chile. The dikes are divided into an early ...