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175  Articles
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The giant Jianchaling Au (52 t Au) deposit is located in the Mian-Lue-Yang Terrane in the southern part of the Qinling Orogen of central China and is hosted by metamorphosed carbonate rocks of the Late Neoproterozoic Duantouya Formation. The deposit consi... see more

The prospect of Gunung Lipan is located in Rorowatu District, Bombana Regency, Southeast Sulawesi Province.  Physiographically it is situated in the Rumbia mountains, which is occupied by the metamorphic rocks of Pompageo complex. The Gunung Lipan is... see more

The Orthogneiss unit in the Santander Massif, Northern Colombian Andes, mainly consists of quartzfeldspathic, pelitic and minor mafic orthogneisses and amphibolites. Petrographic, geochemical and geochronological studies carried out on orthogneisses from ... see more

Esta síntese do conceito de orogenias abrange desde a Tectônica de Placas dos anos 1970, adendos e modelos "alternativos", que buscam explicar orogenias distantes das zonas de interação de placas. A análise crítica dos modelos originais resultou em adendo... see more

The Central Asian Orogenic Belt (CAOB) records multiple Phanerozoic tectonic events involving consolidation of disparate terranes and cratonic blocks and subsequent reactivation of Eurasia’s continental interior. The final amalgamation of the CAOB terrane... see more

O presente trabalho tem como principal objetivo a caraterização geológica da fácies Novo Encanto e a relação petrogenética com a fácies dominante do Batólito de Banabuiú, um granito leucocrático e de duas micas. Com base nos dados de campo e dados petrogr... see more

El registro clástico Maastrichtiano de la Formación Cimarrona en el flanco occidental de la Cordillera Oriental colombiana documenta la erosión de una topografía generada al occidente y asociada con el inicio de la orogenia Andina durante el Cretácico Sup... see more

Major deserts do not necessarily consist of eolian dunes as quartz-rich as those of the Great Nafud, Rub’ al Khali, Sahara, and Mega-Kalahari sand seas accumulated in anorogenic settings of Arabia and Africa. The Karakum dune field of Turkmenistan is one ... see more

On-going mining operations in a marble quarry (Cantera Centro) from Malagueño, Sierra Chica de Córdoba, Argentina, have unearthed veins, veinlets and lenses of sulfides (pyrrhotite>pyrite?chalcopyrite>>sphalerite). These veins and lenses are up t... see more

1 of 19 pages  |  10  records  |  more records»