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Browsing by Author "Melgarejo i Draper, J. C."
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Geoquímica de feldespatos y moscovita de las Pegmatitas del Cap de Creus
Abella, P. A.; Velasco, Francisco; Yusta, Iñaki; Melgarejo i Draper, J. C. (Sociedad Geológica de España, 1996)The Cap de Creus (NE Spain) is the easternmost outcrop of the Hercynian basement of the Pyrenees. The peninsula is constituted by materials affected by the hercynian metamorphism. A pegmatitic field occurs within the ... -
Granates de la serie Grosularia-uvarovita en cromititas prodiformes del yacimiento Mercedita (Cuba)
Proenza, Joaquín A.; Melgarejo i Draper, J. C. (Sociedad Geológica de España, 1996)The Mercedita chromite podiform deposit is genetically and spatially related to the Moa-Baracoa ophiolite complex (NW Cuba). The ore bodies are crosscuted by veins, filled up by uvarovite with variable amounts of chromiferous ... -
Los depósitos de Mn de La Margarita y Los Chivos, Cuba Oriental
Cazañas Díaz, X.; Melgarejo i Draper, J. C. (Sociedad Geológica de España, 1996)The stratiform ore deposits o f Los Chivos and La Margarita manganese , consist o f ore-rich beds (massive, mainly constituted by botrioidal todorokite), and ore-poor beds (todorokite cementing vulcanoclastics). They are ...