 | | Journal (article/letter/editorial) | | Mineralization in the Ambohimirahavavy Alkaline Complex, Madagascar Guillaume Estrade,1 Stefano Salvi,1,† Didier...Cenozoic Ambohimirahavavy alkaline complex in Madagascar consists of several syenitic to granitic intrusions...intrusions (24.2 ± 0.6 Ma) the largest of which, the Ampasibitika intrusion, is characterized by the presence...alkaline complex, located in the northwest of Madagascar, has been the subject of a recent publication...40 km south of Nosy Be Island, in northwestern Madagascar (Figs. 1a-b), and is part of a NW-SE–trending |  | | Thesis/Dissertation | | Aux fokonolona des villages d’Ambodimadiro, Ampasibitika, Ambaliha, Befitina, Beraty, Tsarabanja pour... 5 Figure 2 : Les ensembles volcaniques de Madagascar …………………………………. 7 Figure 3 : Situation géologique...Au Cénozoïque, la couverture sédimentaire de Madagascar est traversée par d’importantes manifestations...affleurements de basalte sont également signalés. A Madagascar le complexe alcalin d’Ampasindava est un exemple... la sphalérite, la molybdénite, l’ilménite, la pyrite et la chalcopyrite. Les campagnes de prospection |  | | Journal (issue) | | commonly associated with chalcopyrite, pentlandite, pyrite and magnetite. T h e traces of nickel usually found...transparent scapolites from Mozambique a n d Madagascar. It is interesting to compare their results with...one from Madagascar a n d one from an unknown locality. Those from Mozambique a n d Madagascar are described... 6 1-3821 1-3655 8 26 1-1602 11193 10349 Madagascar Bank a n d N u b e r 1970 I d obs* 609 4-422...Langesundsfjord in Norway a n d from Ampasibitika in Madagascar. Famous among American collectors are |  | | Book (volume) | | 1910; 5, 1913; Paris. (1922-1923). Mineralogie de Madagascar. 3 volumes: vols. 1, 2, 1922; 3, 1923; Paris...processes. vein gold is associated with quartz and pyrite. In pegmatites reported with typical granite pegmatite...West Africa); in contact metamorphic deposits with pyrite, pyrrhotite, chalcopyrite and other sulfides in...many of the important mines of the world, with pyrite or pyrrhotite and other sulfides, sylvanite, krennerite...Bendigo); in shallow vein deposits with tellurides, pyrite, bismuthinite (Goldfield; Cripple Creek). In placer |  | | Report (issue) | | of the petrographical province of Ampasindava, Madagascar." In May, 1897, Brogger 0 presented a modification........... .IIfateriaux pour la Mineralogic de Madagascar, A. Lacroix. Nouvelles Archives du Museum. 4th..._..... _.. R. T., 1879, :.rv. Ampangarinana, Madagascar ........ M. M., 55. Castle Mountain district...........•.... Pulaskite............. Lokobe, Madagascar.................. Trachyte ............. Marecocco...Luzon, P. !. ............. : ...... Nosy Komba, Madagascar ............ La Plata Mountains, Colo....... |  | | Book (volume) | | ce minéral obtenus par la calci- nation de la pyrite cuivreuse, mélangée de tennantite de Chessy ...dans cavité sans forme géométrique. Quartz de Madagascar. (P/tolographie, grossissement de diamètres.)...seul liquide dans cristaux négatifs. Quartz de Madagascar. {Photographie, grossissement de f^5 diamètres...Vénus voir la figure à rutile), de tourmaline (Madagascar), d’épidote, d’aeti: note ou de trémolite (quand...123, 1892) des cristaux de quartz (notamment de Madagascar), dans lesquels la structure de raméthyste (niacle |  | | Book | | also are represented: Brazil, Ecuador, Hawaii, Madagascar, Mexico, Peru; Armoricans, Australian aborigines...sulfuric acid, resulting from the oxidation of pyrite in aluminous rocks. alvikite ig. hypab. Medium-...fine-grained or glassy groundmass. [Ampasimena, Madagascar) (Lacroix in 1922) ampelite sed. Black carbonaceous...carbonaceous earth or shale that, because of enclosed pyrite, may yield alum on weathering; used by the ancients...ilmenite-magnetite make up 30%. [Anabohitsy, Madagascar] (Lacroix in 1914) anagenite sed. Conglomerate |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | dolomite, apatites, rutile, hematite, magnetite, pyrite, and others. Such minerals constitute at least...Mineralogical Magazine A. LaCroix, Mineralogie de Madagascar, 1922 P. Embry and Fuller Manual of New Mineral...golden mica by its malleability and high G; from pyrite and chalcopyrite since they are harder, brittle...found in hydrothermal quartz veins associated with pyrite, arsenopyrite, and other sulfide minerals, and...Brazil, and Czech Republic; minor deposits in Madagascar, Turkey, Romania, Germany, Austria, and Sri Lanka |  | | Report (issue) | | impurities· by evaporation with hydro- oxidizmg effect on pyrite, and, starting from this fact, fluoric acid, as...unless the presence of a considerable amount of pyrite or pyrrhotite makes the determinatior1 of ferrous...it sodalite, fluorite, much biotite or apatite, pyrite or may be distributed among several constituents...Abyssinia. British East Africa. Genuan East Africa. Madagascar (Reunion). Rhodesia. Transvaal. Natal. Cape Colony...Lacroix, A., Materiaux pour la Mineralogie de Madagascar, Nouv. Arch. du Museum, Paris; I, (4), IV,. 1902 |  | | Book | | after people Czech Republic Sweden from Latin Madagascar Australia Portugal South Africa 81 77 76 69...glassy matrix. (Lacroix, 1922, p.647; Ampasimena, Madagascar; Tröger 793; Tomkeieff p.22) 54 AMPHIBOLDITE...1914, 3 Glossary of terms p.419; Anabohitsy, Madagascar; Tröger 680; Johannsen v.4, p.464; Tomkeieff...(Lacroix, 1916a, p.182; Ankaramy, Ampasindava, Madagascar; Tröger 408; Johannsen v.3, p.338; Tomkeieff...abandoned. (Giraud, 1964, p.49; Betafo-Ankaranando, Madagascar) ANKARATRITE. A melanocratic variety of olivine |  | | Journal (volume) | | 11 *L. M ir o p o ls k ij. Les concretions de pyrite dans les sediments jurassiques de la republique...’Evisa Cevadaes Ampasibitica Corsica Portugal Madagascar Sinai, ostL arabische W iiste 9 10 11 12...1. 2. 8. 4. A. L a c r o ix . Mineralogie de Madagascar, Paris, 1922, 1,. 640. E. S. D ana. The System... пересекающего метаморфизованные кварциты в Ampasibitika и в нефелиновых сиенитах с эгирином около Nosy...loc. cit. 3 A. L a c r o ix . Mineralogie de Madagascar, Paris, 1922, 1, 643. 3 A. L a c r o ix . Mineralogie |
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Ampasibitika, Antsirabe, Ambanja, Diana, Madagascar