 | | Journal (article/letter/editorial) | | 49, PP. 733-8 Genesis of chrysoberyl in the pegmatites of southern Kerala, India K. SOMAN AND N. G....Kerala, India, chrysoberyl occurs in granitic pegmatites in association with quartz in alkali feldspar...crystallize earlier than beryl and sillimanite. The pegmatites are thought to have derived from the residual...chrysoberyl, pegmatites, Kerala, India. CHRYSOBERYL is rather rare in granitic pegmatites, though known...and Beus (1960) have postulated that granitic pegmatites with obvious aluminium contamination may contain |  | | Journal (article/letter/editorial) | | FLUID EVOLUTION IN THE ZONED RARE-ELEMENT PEGMATITE FIELD AT CAP DE CREUS, CATALONIA, SPAIN Pura ALFONSO§...Spain Abstract The Cap de Creus LCT granitic pegmatites, in Catalonia, northeastern Spain, belong to...to the albite type. Fluid inclusions have been studied in all these types of pegmatite to determine the...involved in their formation. Beryl – columbite pegmatites are zoned; border, wall, intermediate zones and...distinguished. Beryl – columbite – phosphate pegmatites, in addition, feature veins of albite and quartz–muscovite |  | Van Lichtervelde, Marieke, Grand’Homme, Alexis, de Saint-Blanquat, Michel, Olivier, Philippe, Gerdes, Axel, Paquette, Jean-Louis, Melgarejo, Joan Carles, Druguet, Elena, Alfonso, Pura (2017) U-Pb geochronology on zircon and columbite-group minerals of the Cap de Creus pegmatites, NE Spain. Mineralogy and Petrology, 111 (1) 1-21 doi:10.1007/s00710-016-0455-1 | Journal (article/letter/editorial) | | columbite-group minerals of the Cap de Creus pegmatites, NE Spain Marieke Van Lichtervelde 1 & Alexis...Wien 2016 Abstract The Cap de Creus granitic pegmatites in the eastern Catalan Pyrenees were dated using...types of pegmatites from type I (K-feldspar pegmatites, least evolved) to type IV (albite pegmatites, most...dating the different pegmatitic pulses. In a type III pegmatite where zircon and CGM are co-genetically associated...Two ages were obtained for type I and three ages for type III pegmatites. Three of these 5 ages range |  | | Journal (volume) | | On the cover: Map of the Carpathian region with type localities of new mineral species, rocks, fossil...(see the inside of the front cover for members) Field trip Subcommittee Friedrich Koller, Co-Chairman...the front cover of the field trip guides, Acta Mineralogica-Petrographica, Field Guide Series, Vol. 1–29...AM15 Gas storage in minerals: Experimental and field studies ...........................................301 EG56C4 Industrial clay deposits: From the field to the industry ............................... |
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