 | | 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 |  | | Book | | kalsilite-bearing rocks, kimberlites, lamproites, leucite-bearing rocks, lamprophyres and charnockites. It......................................... 16 2.8 Leucite-bearing rocks ....................................... 17 2.8 Mineralogy of principal groups of leucite-bearing volcanic rocks ..........................of the interesting and unique nepheline syenite massif of Ditro in Transylvania, on which he published...classification of the melilite-, kalsilite- and leucite-bearing rocks and the chemical distinction between |  | | Book | | anorthite 14 Igneous rocks {an), nepheline (ne), leucite (/c), corundum (C); and femic, including diopside...appears in the norm of mafic rocks largely as leucite and olivine. But in more siliceous rocks where...percentages of normative quartz + albite + nepheline + leucite + kalsilite, and indicates how far a rock has proceeded...Fennoscandia and, in particular, those of the great Wiborg massif in Finland. This is made up of a number of different...monzogabbro is present among the rocks of the Brocken massif, Harz Mountains, while some of the ‘norite’ of |
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