 | | Journal (article/letter/editorial) | | PGM-bearing chromitites at the Ranomena mine, Toamasina chromite district, Madagascar Giovanni Grieco â, Anna...group elements Platinum group minerals Chromitite Madagascar a b s t r a c t This paper presents new data...the Ranomena mine, the only past-producing chromite mine in the North Toamasina chromite district of Eastern...Eastern Madagascar. Such data can provide an insight on tectonic setting that led to emplacement of their...the differences with other chromite deposits of Madagascar. Chromitite host rocks are harzburgite and pyroxenite |  | Uysal, Ibrahim, Akmaz, Recep Melih, Kapsiotis, Argyrios, Demir, Yılmaz, Saka, Samet, Avcı, Erdi, MĂŒller, Dirk (2015) Genesis and geodynamic significance of chromitites from the Orhaneli and Harmancık ophiolites (Bursa, NW Turkey) as evidenced by mineralogical and compositional data. Ore Geology Reviews, 65. 26-41 doi:10.1016/j.oregeorev.2014.08.006 | Journal (article/letter/editorial) | | 2012), the chromitites at the Ranomena mine, Toamasina district, Madagascar (Grieco et al., 2012) and the...forms complex compounds with pentlandite and chalcopyrite or RuâNiâFe sulïŹdes (Fig. 5l, m). A composite...5i, j, mâo). Millerite, pentlandite, bornite, chalcopyrite, awaruite, heazlewoodite, violarite, orcelite...and high-Al chromitites from the Sagua de Tanamo District, Mayari-Cristal ophiolitic massif (Eastern Cuba):...Chromitites in ophiolites: how, where, when, why? Part II. The crystallization of chromitites. Lithos 189, |  | | Report (issue) | | The Natural History Museum of Milan and its Madagascar Collection The Museo Civico di Storia Naturale... the museum began paleontologic fieldwork in Madagascar (upper Permian fauna and Jurassic and Cretaceous...fieldwork in Madagascar in 1996 in collaboration with other institu tions in Madagascar, Italy, and the...Pezzotta has spent a total of twenty nine months in Madagascar making geological-mineralogical surveys. In collaboration...both classic and new minerals and gemstones from Madagascar opened at the Natural History Museum in Milan |  | JimĂ©nezâFranco, Abigail, GonzĂĄlezâJimĂ©nez, JosĂ© M., RoquĂ©, Josep, Proenza, JoaquĂn A., Gervilla, Fernando, Nieto, Fernando (2020) Nanoscale constraints on the in situ transformation of RuâOsâIr sulfides to alloys at low temperature. Ore Geology Reviews, 124. 103640pp. doi:10.1016/j.oregeorev.2020.103640 | Journal (article/letter/editorial) | | of Monte Bueno from the Sagua de TĂĄnamo mining district in eastern Cuba (Fig. 1; Proenza et al., 1999;...2011). The Sagua de TĂĄnamo area is a small mining district (~3 km long), located in the easternmost part...Lα, Rh metal for Rh Lα, Pd metal for Pd LÎČ, chalcopyrite (CuFeS2) for S Kα and Cu Kα, GaAs (gallium arsenide)...and high-Al chromitites from the Sagua de TĂĄnamo district, MayarĂ-Cristal Ophiolitic Massif (eastern Cuba):...PGM-bearing chromitite at Ranomena mine, Toamasina chromite district, Madagascar. Ore Geol. Rev. 44, 70â81 |  | | Book | | 96 98 104 108 110 114 118 120 124 130 134 138 Madagascar Madeira (Portugal) Malawi Mali Mauritania Mauritius...the Pharaoh Sethos I, together with his son Ramses II, who had to initiate new mining operations for gold...basins of Africa. The Jurassic and Cretaceous of Madagascar, East and Northeast Africa widely contain a Tethyan...Tanzania, Kenya, Uganda, Zambia, Zimbabwe and Madagascar. These Karoo troughs resulted from a long period...east of Djanet, Tassili Mountains The Pharusian II begins with the deposition of the Amded Formation |  | | Journal (article/letter/editorial) | | kink bands. Several sulfide phases like pyrite, chalcopyrite, pentlandite, millerite, and pyrrhotite occur...241â251. Barnes, S.J., 2000. Chromite in komatiites, II. Modification during greenschist to midamphibolite...Chromite deposits occurring near Kondapalle, Krishna district, AP. Jour. Geol. Soc. India, 12, 383387. Chaumba...tectonic setting of the Ranomena ultramaïŹc complex in northeastern Madagascar. Geol. Mag. 155, 109-118...S.R., 1964. Chromite from Kondapalle, Krishna district, Andhra Pradesh. Jour. Economic Geol, 59, 678-683 |  | | Journal (issue) | | 1 FIGURE 2 Geological map of the Republic of Madagascar at 1:1,000,000 scale (Roig et al., 2012). ne...Moz am biq ue Ch an © MINISTRY OF MINES, MADAGASCAR milestones and development projects to help...Geological map of Madagascar at 1:1,000,000 scale (H. Besairie, 1964). © MADAGASCAR GEOLOGICAL SERVICE...âŻâŻ PHOTO 1 BUMIFOM headquarters, Tananarive, Madagascar, 1950. © BRGM N°21_AFRICA, A LAND OF KNOWLEDGE...diagram of a mining project (copper) in Lagotala district (Mindouli, Congo-Brazzaville). © BRGM, 1956 the |  | | Journal (volume) | | was nicely shown for the case of oxidation of Mn(II) by bacteria [5]. Due to the rather low absorption...physics and chemistry of actinide-bearing materials; ii.) first principles, multi-scale modeling of complex...B. (2008) (eds.) Adsorption of metals by geomedia II: Variables, mechanisms, and model applications. Elsevier...outermost limefree zone (I), the transition zone (II), and the unreacted zone (III) on a periclase-based...Technische UniversitĂ€t MĂŒnchen, Garching, Germany 3 FRM II, Technische UniversitĂ€t MĂŒnchen, Garching, Germany |  | | Book | | conical hills in \\'hich laYas oi Pre-Cambrian I II outcrop, dipping about 10° away _from the 1nain quartzite...s1n1ilar rocks off the main quartzite rn.c'lSS (P.C. II) can be seen on the right side uf the picture. Photography.... . . . . . . . . . . . . . . . . . . . xv I II. NEW DATA ON THE PRE-CAMBRIAN ALONG THE GULF OF SUEZ... E. Anti-Atlas Akjonjt Boundar y ~ X. X I. XI II. 1 61 161 162 168 171 1 73 1 77 THE PRE-CA~lBRIAN...Determinations . . . . . 184 2. XI I. 129 137 1 47 II. ~ORTH\VEST .A.LGERI A ' ' III. 117 Isotopic Age |
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