Browsing by Author "Barra, Fernando"

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Artículo

Geochronological and thermochronological constraints on porphyry copper mineralization in the Domeyko ...

Maksaev Jurchuc, Víctor; Almonacid, Tomás A.; Munizaga Villavicencio, Francisco; Valencia, Víctor; McWilliams, Michael; Barra, Fernando (2010-01)

At Domeyko, 40 km south of Vallenar in northern Chile (28°57’S-70°53’W), the Dos Amigos and Tricolor porphyry copper centers are located within a north-south-elongated hydrothermal alteration zone 6x1.5 km of surface dimensions. ...
Artículo

Multimodal inpatient prehabilitation prior to heart or lung transplantation in a latin american transplant ...

Appiania, Franco; Abara, Belén; Ramírez, Iván; Andrade, Christian; Melo, Joel; Barra, Fernando; Verdugo, Fernando Javier; Rossel Mariángel, Víctor; Lim, Jongsung; Donoso, Erika; Arrué, Urania; Riquelme, María Paz (Elsevier, 2025)

Introduction. Whether the implementation of a multimodal prehabilitation program is effective and safe for high-risk heart or lung transplantation candidates, whose condition prevents hospital discharge, is unclear. Methods. ...
Artículo

Pyrite as a record of hydrothermal fluid evolution in a porphyry copper system: A SIMS/EMPA trace element study

Reich Morales, Martín; Deditius, Artur P.; Chryssoulis, Stephen; Li, Jian Wei; Ma, Chan Qiang; Parada Reyes, Miguel; Barra, Fernando; Mittermayr, Florian (Elsevier, 2013)

Porphyry copper deposits are currently the world’s largest source of copper and molybdenum, and are also among the largest reservoirs of gold in the upper crust. Despite the fact that pyrite is a ubiquitous mineral phase ...
Artículo

Trace elements in magnetite from massive iron oxide-apatite deposits indicate a combined formation by igneous ...

Knipping, Jaayke L.; Bilenker, Laura D.; Simon, Adam C.; Reich Morales, Martín; Barra, Fernando; Deditius, Artur P.; Wӓlle, Markus; Heinrich, Christoph A.; Holtz, François; Munizaga, Rodrigo (Elsevier, 2015)

Iron oxide-apatite (IOA) deposits are an important source of iron and other elements (e.g., REE, P, U, Ag and Co) vital to modern society. However, their formation, including the namesake Kiruna-type IOA deposit (Sweden), ...