Results 221 to 230 of about 395,777 (266)

The Punta del Cobre Formation, Punta del Cobre–Candelaria area, northern Chile

Journal of South American Earth Sciences, 2001
Abstract The Punta del Cobre Formation hosts the iron oxide-rich Cu–Au(–Zn–Ag) deposits of the Punta del Cobre belt, Chile. Hydrothermal alteration associated with mineralization and/or contact metamorphism caused by the Coastal Batholith exposed in the west resulted in new mineral assemblages and significant changes in the geochemical composition of
Marschik, Robert, Fontboté, Lluís
exaly   +3 more sources

Geochemical and Isotopic Signature of Pyrite as a Proxy for Fluid Source and Evolution in the Candelaria-Punta del Cobre Iron Oxide Copper-Gold District, Chile

Economic Geology, 2020
Pyrite is ubiquitous in the world-class iron oxide copper-gold (IOCG) deposits of the Candelaria-Punta del Cobre district, documented from early to late stages of mineralization and observed in deep and shallow levels of mineralized bodies. Despite its
Irene Del Real Contreras
exaly   +2 more sources

Caleta el Cobre 022 Martian meteorite: Increasing nakhlite diversity

Meteoritics and Planetary Science, 2020
Caleta el Cobre (CeC) 022 is a Martian meteorite of the nakhlite group, showing an unbrecciated cumulate texture, composed mainly of clinopyroxene and olivine.
Lisa Krämer Ruggiu, Jerome Gattacceca, Arya Udry   +2 more
exaly   +2 more sources

Objetos de cobre arsenical y sociedades agropastoriles en la Puna Meridional argentina: Nuevas perspectivas sobre la metalurgia del segundo milenio aP en los Andes centro sur

Latin American Antiquity, 2022
Se presenta el primer análisis composicional, morfológico y contextual de objetos metálicos de la Puna Meridional argentina (1430-2070 aP) para contribuir al conocimiento de la metalurgia centro-surandina del cobre, desde un espacio marginal a los ...
Pilar Babot, Lucía González Baroni, M. F. Becerra   +2 more
semanticscholar   +1 more source

Lithological and structural controls on the genesis of the Candelaria-Punta del Cobre Iron Oxide Copper Gold district, Northern Chile

Ore Geology Reviews, 2018
The Candelaria-Punta del Cobre district is the largest Iron-Oxide Cu and Au (IOCG) district in the Chilean IOCG belt with more than 13 Mt of contained copper.
Irene Del Real Contreras
exaly   +2 more sources

Cobre oligoelemento esencial

Boletin Sociedad Española Hidrologia Medica, 2001
El cobre es un oligoelemento esencial en la vida que interviene en la movilizacion de las reservas de hierro y su oxidacion, posibilitando su utilizacion para la sintesis de Hb. Es necesario para mantener la integridad del colageno, la elastina y SNC. Podria ser utilizado como screening de determinados tumores.
E Carmona, L Ortega, M San Emeterio, J San Martín   +3 more
openaire   +1 more source

Clinical utility of rapid shallow breathing index in predicting successful weaning: secondary analysis of the COBRE-US trial.

Medicina Intensiva
OBJECTIVE To assess the predictive capacity of the Rapid Shallow Breathing Index (RSBI) for success in spontaneous breathing trials (SBT) and extubation in critically ill patients.
Fabio Varón-Vega, Eduardo Tuta-Quintero, H. Robayo-Amortegui, Adriana Rincón, L. Giraldo-Cadavid, Jonathan Palacios, S. Crevoisier, Diana C. Duarte, Marcela Poveda, L. Cucunubo, Pablo Monedero   +10 more
semanticscholar   +1 more source

Germinação de sementes e desenvolvimento de plântulas de tomateiro submetidas à concentrações de cobre

Observatorio de la Economía Latinoamericana
O incremento do cobre nos solos e sua imobilidade podem proporcionar um ambiente tóxico ao cultivo das plantas de interesse, dentre elas o tomateiro. Pretendemos demostrar a influência do cobre na germinação e desenvolvimento de plântulas de tomateiro ...
Vanderlei Smaniotto, Samuel Mariano-da-Silva, Rafael Dal Bosco Ducatti, Pedro Henrique Hofstatter Forster, João Pedro Nicolau Oestreich   +4 more
semanticscholar   +1 more source

Lámina de cobre, una oportunidad de negocio para la industria del cobre chilena

2013
El objetivo de la presente tesis es estudiar el posible potencial de la incorporación de la lámina de cobre como una nueva oportunidad o expansión de negocio, enfocado principalmente para que inversionistas, diseñadores e investigadores tengan una alternativa diferente a la obtención de cátodo, dándole a los procesos actuales un mayor valor agregado a ...
Aramayo-A., Óscar, Arrué-M., Danilo, Toledo-T., Mónica   +2 more
openaire   +1 more source