 | | 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...Ca-HFSE-rich phases in pseudomorphs after aegirine-augite. In the exoskarn, the main HFSE-rich phases are...alkaline complex, located in the northwest of Madagascar, has been the subject of a recent publication |  | | Journal (article/letter/editorial) | | occur as isolated rods or in radiate groups ; both augite and hornblende are the constituent minerals. Not...(Washington 1917, p. 122). 3. Pitchstone, Ampasibitika, Madagascar. (Washington 1917, p. 144). 4. " Rhyolite...(Corrygills), 11 (Silver Cliff, Arizona), and 12 (Ampasibitika, Madagascar) plot close to the ternary minimum in |  | | Journal (article/letter/editorial) | | 011 5a Geochemical Laboratories). 4. Aegirine-augite Granite, Sviatoy Noss, Transbaikalia, P. Eskola...itself can be compared with that of an aegirine-augite granite described by Eskola from TABLE 2 1 SiO... . 0-78 5 • 83 39-12 . 35-58 . Aegirine-augite Granite, Sviatoy Noss -J X 3 C. E. Tilley—...appears in the analysis of the Sviatoy Noss aegirine-augite granite and a similarlime content is reported in...the Skye alkali granite with that of the aegirine-augite granite from Sviatoy Noss, already noted. At that |  | | 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...République de Madagascar comprenant dans son programme l’évaluation du potentiel minier de Madagascar, il nous |  | | Journal (article/letter/editorial) | | Nigeria : ffigirine-riebeekite granite3. 4 Ampasibitika, Madagascar: regirine-riebeekite granite. 6 Although...(cloudy), with a characteristic group of segjrine augite bordered with hastingsite and sphene. F I G . 3...nepheline in a dark groundmass which includes tegirine augite and a yellow-brown isotropic base. Ordinary light |  | | Journal (article/letter/editorial) | | 8 The Outer Contact, and Rocks of the Marginal Augite Syenite . . . . . . . . . . . . . . . 9 I. Type...and Rocks of the Augite Syenites " 20 Petrology and Chemical Composition of the Augite Syenite " 24 I....facies of the augite syenite 24 I I. Rocks representative of the main part of the augite syenite. . .... . . . . . .. 25 III. Inner facies of the augite syenite adjacent to the naujaite Chemical Analyses "...consists of an early augite syenite chilled against the country rocks. The augite syenite forms a more |  | | 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...108 .109 62 ..58 . 109 Mica-dacite .......... Augite-soda-granite .. Alaskite-porphyry .... Dacite ...........•.... Pulaskite............. Lokobe, Madagascar.................. Trachyte ............. Marecocco |  | | Journal (article/letter/editorial) | | Enstatit-Hypersthenreihe. Aus den Daten für die 4 tonerdereichen Augite wird gefolgert, daß die Addition von GaAl^SiOa...seltener { 3 3 l } , ( H l ) , ( 2 3 1 j . Die Augite vcfli Antsizabe zeigen nichts Außergewöhnliches...Collbranit wird dadurch hinfällig. Gewöhnliche Augite. Augit vom Stromboli beschrieben S. K o z u und... . — i V 0,0274 0,0276 -Ö8°32,5' dn., — 39° Augite vom Vesuv und vom Ätna sind von H. S . W a s h...AI) Si^O^ = B^. Nach der 6-Achse gestreckte Augite aus Eruptivgesteinen der Insel Halmahero im Archipel |  | | Book | | > hornblende, hornblende, Ti-augite, ±diopsidic augite, diopsidic augite, olivine, biotite ±olivine (±olivine)...implemented, e.g. titanaugit has been changed to titanian augite. However, in many cases it was felt inappropriate...after people Czech Republic Sweden from Latin Madagascar Australia Portugal South Africa 81 77 76 69...containing phenocrysts of olivine and augite in a groundmass of augite, calcic plagioclase, alkali feldspar...intrusive rock consisting essentially of aegirine-augite with minor nepheline and albite. (Polkanov, 1940 |  | | Book | | silicon], apaneite [apatite + nepheline], auganite [augite + andesite], coralgal [coral + algae], criquina...also are represented: Brazil, Ecuador, Hawaii, Madagascar, Mexico, Peru; Armoricans, Australian aborigines...prthopyroxene rather than clinopyroxene by International (augite). [Norge (Norway), original locality) Union of...and augite but no feldspar, in a groundmass of labradorite with orthoclase rims, olivine, augite, and...chondrule] achondrite, augite meteor. Stony meteorite consisting of more than 90% augite with traces of olivine |  | | Report (issue) | | given as "traces." In most of these analyses their augite, or magn.etite; P 20 5 , if it contains apatite...example is the lava of Grenada, West Indies, called "augite and~site" in the first collection (p. 353), with...that the constituent nlinerals are labradorite, augite, and magnetite, the anl:l,lysis may show high Al20...Abyssinia. British East Africa. Genuan East Africa. Madagascar (Reunion). Rhodesia. Transvaal. Natal. Cape Colony...1ninerals, as pyeoxene-aridesite for hypersthene-augite-andesite. A few different names that have been |  | | Book | | texture is have commenced must are olivine and augite, ophitic at an crystalearly stage of the excepted...through the a epidioritisation represented and augite (diallage) into area less rhombic pyroxene ...conversion of as Thus the definition of the the augite into hornblende. to albite, and some total ...gabbro MgSi0 enstatite some (Mg.Fe)Ca(Si0 ) 2 augite : 3 2 3, -j- NaAISi 3O s s 1, and ilmenite...—3): proportion is labradorite CaAI.,Si O The augite (and the enstatite) are now replaced by actinolite |  | 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) | | Mineralogical Magazine A. LaCroix, Mineralogie de Madagascar, 1922 P. Embry and Fuller Manual of New Mineral...Brazil, and Czech Republic; minor deposits in Madagascar, Turkey, Romania, Germany, Austria, and Sri Lanka...Llallagua, Biggenden mine, Q, Australia; Fefena, Madagascar; P&J:92, R:710, other localities in Bolivia....near Oberon, NSW, Australia; Amparindravato, Madagascar. BM DI:445, R:778, P&J:131, ABI:110. 3.5.9.2...sapphires some and rubies Battambang, Cambodia. In Madagascar, equant of Antsirabé; are abundant in decomposed |  | | Book (volume) | | 1910; 5, 1913; Paris. (1922-1923). Mineralogie de Madagascar. 3 volumes: vols. 1, 2, 1922; 3, 1923; Paris...field, Auckland. placers on the east coast of Madagascar from north of Fenerive south to the neighborhood...(chrysolite) and forsterite; weinbergerite; the ite, and augite; phosphate apatite; and glassy material. Of these...chrysolite, or of several minerals, namely bronzite, augite, plagioclase, glass, and nickel-iron, in order...accessory mineral in pegmatite veins; The most in Madagascar, as cleavable masses from a lithic pegmatite |  | | Book (volume) | | 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...de cristaux d’orthose; ils ceux d’Alençon. Madagascar. —H est probable qu’une partie au moins du |
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Ampasibitika, Antsirabe, Ambanja, Diana, Madagascar