 | Pekov, I. V., Yakubovich, O. V., Massa, W., Chukanov, N. V., Kononkova, N. N., Agakhanov, A. A., Karpenko, V. Y. (2010) Londonite from the Urals, and new aspects of the crystal chemistry of the rhodozite-londonite series. The Canadian Mineralogist, 48 (2) 241-254 doi:10.3749/canmin.48.2.241 | Journal (article/letter/editorial) | | spectrum, granitic pegmatite, Urals, Russia, Madagascar. Sommaire Ce travail porte sur trois échantillons...infrarouge, pegmatite granitique, Ourales, Russie, Madagascar. Introduction Rhodizite and londonite are aluminum...years of 20th century, rhodizite was found in Madagascar, where it is a relatively common mineral of many...localities in Madagascar. Both K- and Cs-dominant samples have been found in Madagascar pegmatites. Until...three pegmatites located in different parts of Madagascar (Simmons et al. 2001). Thus, the precise chemical |  | Bauer, Wilfried, Walsh, Gregory J., de Waele, Bert, Thomas, Robert J., Horstwood, Matthew S.A., Bracciali, Laura, Schofield, David I., Wollenberg, Uwe, Lidke, David J., Rasaona, Imboarina T., Rabarimanana, Mamy H. (2011) Cover sequences at the northern margin of the Antongil Craton, NE Madagascar. Precambrian Research, 189 (3) 292-312 doi:10.1016/j.precamres.2011.07.018 | Journal (article/letter/editorial) | | the northern margin of the Antongil Craton, NE Madagascar Wilfried Bauer a,e,∗ , Gregory J. Walsh b , Bert...USA g PGRM, Ampandrianomby, Antananarivo 101, Madagascar b c a r t i c l e i n f o Article history:...geochronology Illite crystallinity Madagascar a b s t r a c t The island of Madagascar is a collage of Precambrian...lowgrade metasediments. In the Antalaha area of NE Madagascar, two distinct cover sequences rest on high-grade...reserved. 1. Introduction The Precambrian shield of Madagascar consists of a number of geological domains, ranging |
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