 | | Journal (article/letter/editorial) | | 32 \ Microcline/ Orthoclase microperthite j Ilmenite 1 Limonite VSerioite or kaolin (?)' Total 23... minute prisms of zircon, and small grains of ilmenite(?) break up the continuity of the riebeckite individuals...not be identified with certainty. Tiny grains of ilmenite peripherally altered to leucoxene are present...gr. Acmite Diopside . Hypersthene 3 Magnetite Ilmenite . 35-38 26-13 •Salic = 83-10 20-96 0-63 8-78...Nigeria : ffigirine-riebeekite granite3. 4 Ampasibitika, Madagascar: regirine-riebeekite granite. 6 Although |  | | 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) | | is true, has described from the Ampasibitika district of Madagascar, andradite-rich syenites with aegirine-hedenbergite...Magnetite . •Sphene 0-39 • Estimated in place of ilmenite. A12O3 Mni A A Kb " 1 • 0"> K2O + Na2O K2O...lxvi, 507, 520. LACROK, A., 1922. Mineralogie Madagascar, ii, 585-9. TILLEY, C. E., 1948, Geol. Mag., |  | | Journal (article/letter/editorial) | | 3.38 4.46 1.47 0.08 n.d. 100.00 NORMS Apatite Ilmenite Zircon Orthoclase Albite Anorthite Corundum Acmite...conia and samples of granite from the Ampasibitika area of Madagascar contained from 0.50 to 3.71/s zirconia...zirconia-rich rocks from British Columbia, Rockall, and Madagascar are rich in riebeckite and aegirine, acmite,...or arfvedsonite. The zirconia content of the Madagascar granites was attributed by Lacroix (1903, p....Lecnorx, A. (1903): Matdriaux pour la min6ralogiede Madagascar;les rochesalcalines; la province p6trographique |  | | 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....... |  | | Journal (article/letter/editorial) | | p. 243. No. 3. DOfl\it, Madagascar, LACROIX, A. Mineralogie de Madagascar 3, 1923. p. 328. No. 4. Kjelsasite...typically thorite, monazite, xenotime, fluorite and ilmenite. The riebeckite granites on the x 69 The Geochemistry...granite centre of aegirine granite dike. Ampasibitika Madagascar. A. LACROIX 1903. Nouv. Arch. Museum, Paris...pyroehlore, eryolite, thomsonolite, fluorite and ilmenite. The presenee of pyroehlore and the replaeement...pp. 307-314. LACROIX, A. 1923. Mineralogie de Madagascar, 3, p. 328. LARSEN, E. S. GOTTFRIED, D. 1960 |  | | Book | | idiomorphic in rather The crystals of large crystals, ilmenite, sparsely yellowish-brown biotite. plagioclase...plagioclase being found enclosed other minerals, the ilmenite and strongly pleochroic biotite a subordinate...analysis is olivine granophyric intergrowth of ilmenite and biotite a observed. to of olivine carries...km. from is somewhat amount decomposed of ilmenite which ; is somewhat Parijs, where the gabbro...cleavage-planes of which give ded in finer-grained a ilmenite. some Here and there in between wedged seen |  | | Book | | most granites have magnetite, zircon, apatite, ilmenite, titanite, and many others. Major Rock Classes...also are represented: Brazil, Ecuador, Hawaii, Madagascar, Mexico, Peru; Armoricans, Australian aborigines...fine-grained or glassy groundmass. [Ampasimena, Madagascar) (Lacroix in 1922) ampelite sed. Black carbonaceous...minerals] (Tschermak in 1883) anabohitsite ig. pluton. Ilmenite-rich pyroxenite in which hypersthene and hornblende...up 65% of the rock, and ilmenite-magnetite make up 30%. [Anabohitsy, Madagascar] (Lacroix in 1914) anagenite |  | | Book (volume) | | and for 22il reads22il. in the 2 *535 under Ilmenite forms, for 537 544 F 0551 read P 0551. ...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...accessory mineral in pegmatite veins; The most in Madagascar, as cleavable masses from a lithic pegmatite...monds are common, also of graphite, magnetite, ilmenite, carbonaceous matter, garnet, chrome-diopside |  | | Book | | includes anhedral crystals of olivine, magnesian ilmenite, pyrope, diopside (sometimes subcalcic), phlogopite...almandine-pyrope, Cr-diopside, mag- 14 nesian ilmenite and phlogopite crystals, that are now generally...common. Megacrysts are dominated by magnesian ilmenite, Ti-pyrope, diopside, olivine and enstatite that...(K2Ti13 O27); Nb-bearing rutile and Mn-bearing ilmenite. These are set in a mesostasis that may contain...characteristically, jeppeite, armalcolite, shcherbakovite, ilmenite and enstatite. The presence of the following minerals |  | | Report (issue) | | deten:nii1ed but are Ti0 2 , if it contains titanite, ilmenite, hornblende given as "traces." In most of these...Abyssinia. British East Africa. Genuan East Africa. Madagascar (Reunion). Rhodesia. Transvaal. Natal. Cape Colony...a.n1ount of magnetite frequently included the ilmenite, and MnO was also not generally reckoned in with...present), has been assumed to form magnetite and ilmenite. BaO and SrO have been reckoned in with CaO when...Lacroix, A., Materiaux pour la Mineralogie de Madagascar, Nouv. Arch. du Museum, Paris; I, (4), IV,. 1902 |  | 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...016 4.3.1.3 4.3.1.4 Notes: 1. See also the ilmenite structures, which are lower-symmetry versions |  | | 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 |  | | Journal (volume) | | ’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...ith notes on microcline, riebeckite, aegirite, ilmenite etc. Amer. J. Sci., 1911, 31, 648—650. 11. E.... 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