| | Journal (article/letter/editorial) | of the granitic pegmatites of the Fregeneda area (Salamanca, Spain) E. RODA Dept. de Mineralogfa y Petrologfa...Univ. del Pals Vasco/EHU, Apdo. 644, 48080 Bilbao, Spain F. FONTAN Univ. Paul Sabatier, URA 067, Toulouse...Vasco/EHU, Apdo. 644, 48080 Bilbao, Spain Abstract In the Fregeneda area different pegmatitic types can...the basis of their mineralogy, internal structure and field relationships. The most common type corresponds...pegmatites with a homogeneous internal structure, but Li and Sn-bearing pegmatites are also relatively widespread | | | Journal (article/letter/editorial) | PAPER Chemical variations and significance of phosphates from the Fregeneda-Almendra pegmatite field,... Central Iberian Zone (Spain and Portugal) Encarnación Roda-Robles & Romeu Vieira & Alfonso Pesquera...widespread within a schistmetagreywacke complex in the Fregeneda-Almendra area (Central Iberian Zone). They intrude...intrude pre-Ordovician metasedimentary rocks and show a zonal distribution relative to the Meda-Penedono-Lumbrales...bodies to those enriched in Li, F, Sn, Nb>Ta, P and Be. Based on mineralogical criteria, these pegmatites | | | Journal (article/letter/editorial) | granitic pegmatites of the Fregeneda area (Salamanca, Spain): characteristics and petrogenesis E. RODAROBLES1...RODAROBLES1, A. PESQUERAPEREZ1, F. VELASCOROLDAN1 AND F. FONTAN2 i Departamento de Mineralogia y Petrologia...Universidad del Pals Vasco 644, E-48080, Bilbao, Spain 2 Laboratoire de Min6ralogie, Universit6 Paul Sabatier...France ABSTRACT Pegmatites of the Fregeneda area, Salamanca, Spain, show a zonal distribution, from barren...barren to enrichment in Li, Sn, Rb, Nb>Ta, B and P. They intrude pre-Ordovician metasediments which were | | | Journal (article/letter/editorial) | Na–Fe2+–Fe3+ (+PO4) SYSTEM Frédéric HATERT§, Maxime BAIJOT, and Fabrice DAL BO Laboratoire de Minéralogie, B18, Université...we performed hydrothermal experiments between 400 and 700 °C (1 kbar), in the Na–Fe2+–Fe3+ (+PO4) ternary...this stability field covers between 5.8 (500 °C) and 21.1% (700 °C) of the diagram surface. A comparison...rare-element pegmatites of the beryl-columbitephosphate and spodumene subtypes (Černý 1991, Černý & Ercit 2005)...Rusororo, Rwanda, and Kabira, Uganda; and alluaudite + ferrisicklerite + heterosite at Kibingo and Wasurenge | | | Journal (issue) | 2017 Kristiansand, Norway Number 2, 2017 Abstracts and Proceedings of the Geological Society of Norway ...ISBN: 978-82-8347-019-2 NGF Abstracts and Proceedings NGF Abstracts and Proceedings was first published in...E-mail: ngf@geologi.no www.geologi.no NGF Abstracts and Proceedings Number 2, 2017 PEG2017 8th International...Nanna Rosing-Schow, NHM Organizers: Sponsors and Supporters: PEG2017 gratefully acknowledges support...following: Contents ANDERSEN, T. Crustal evolution and granitic magmatism in southwestern Fennoscandia: |
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