 | | Report (chapter) | | THE MINERAL INDUSTRY OF MADAGASCAR By Thomas R. Yager The Republic of Madagascar, which is the world’s...and semiprecious gemstones, quartz, and salt. Madagascar was also known to have deposits of bauxite, coal...and the World Bank announced plans to assist Madagascar in reforming its mining sector. The proposed...References Cited section. THE MINERAL INDUSTRY OF MADAGASCAR—2001 prospecting permit, which is valid for...Malakialina, and Tsaratanana. Other deposits include Betafo Antsirabe, Miandrivazo, and Itrongay. Madagascar’s |  | | Book (volume) | | figurent pas dans ceux-ci. En ce qui concerne Madagascar, d’où documents nouveaux, offrant un intérêt...coloration brun rouge. GISEMENTS ET ASSOCIATIONS Madagascar. — J’ai donné le nom d’ampaugabéite [C. B. CXLIV...ANrHOPHYLLITE-GÉDRITE (ï. p. 035; 1 , T. VI, p. 784). — Madagascar. J’ai rencontré [B. S.M. XXXV. 97. 1912) un...à Antanety, à 1”W. de Maizimanjaka (au S. W. de Betafo). Ce minéral forme des masses fibrolamellaires...micaschistes mont Bitv). IV, p. 787). — Madagascar. J’ai visité le gisement d’Ambatoarina, d’où |  | | Report (issue) | | Location Ampangateite USNM C4C20 Samiresy, Eetafc, Madagascar Amranvaleite HMM C2E74 Ambatofosikely...Fetafo, USNM 92(-:76 Madagascar Elomstrandite HMM 8"87. 3 Tongafeno, Madagascar Ref. no. of Quantity...US:11 C3,,:58 USGS-7 ,S USNM-75 g Samiresy, Madagascar Samiresy, Midagascar 27T'!1.3 Har. 344 Not...DjalmaiLe USNM 105973 Volta Grande de'osit, Nazarenc district, Sgo Jo-lo del Rei, Minus Grraes, Brazil Ref...7912 Z A c = 2°to6° 1.8441 15°33 1 2V n(Na) Madagascar 1.8004 1.8008 1.8494 11000 1 a/ n Bolivia 2/ |  | | Journal (article/letter/editorial) | | orthorhombic) prisms in pegmatite at Ampangabe, Madagascar. It approximates in composition to the heterogeneous...quartz-magnetlte-schists in the Bababudan Hills, Kadur district, Mysore. Baeumlorite. O. Reuner, 1912. Centralblatt...of uranium, and occurs in pegmatite near Betafo in Madagascar. Named after the locality. Binarite. An...found as white crystalline grains in the Nelson district, British Columbia, Canada. Named after the country...(dioeroma). A name applied to the small crystals of zircon from Monte Somma which change in colour, when heated |  | | Journal (article/letter/editorial) | | orthorhombic) prisms in pegmatite at Ampangabe, Madagascar. It approximates in composition to the heterogeneous...quartz-magnetlte-schists in the Bababudan Hills, Kadur district, Mysore. Baeumlorite. O. Reuner, 1912. Centralblatt...of uranium, and occurs in pegmatite near Betafo in Madagascar. Named after the locality. Binarite. An...found as white crystalline grains in the Nelson district, British Columbia, Canada. Named after the country...(dioeroma). A name applied to the small crystals of zircon from Monte Somma which change in colour, when heated |  | | Book | | at Miass, Southern Ural Mountains, Russia; in Madagascar at Ambatofinandrahana, Ampangabe, and Antsakoa...Titania in Metamorphic Rocks The Onganja mining district, Namibia, perhaps more noteworthy to collectors...at numerous localities in the Iveland pegmatite district, Norway, at the type locale near Miask, Ilmeny...several localities in Madagascar; near Mokota, Zimbabwe; and the Kuala Kangsar district, Perak, Malaya. The...also been reported from: Fefena and Ampangabe, Madagascar; and the Canoas pegmatite, Rio Grande do Norte |  | | Report (volume) | | development of the rich uranium ores of the Katanga district in the Belgian Congo. The uraninite ores of Great...rare-earth, zirconium, and uranium minerals, notably zircon, uraninite, and monazite. The presence of thorium...and relatively simple; it is used chiefly with zircon found as an accessory constituent in rocks. Several...and thorium. Well-known examples include thorite, zircon, allanite, gadolinite, monazite, euxenite, samarskite...samarskite, and microlite-pyrochlore. Metamict zircon has been studied extensively by Bauer ( 1939), Lietz |  | | Journal (issue) | | pegmatite, Madagascar ..................................191 by W. E. Wilson The Port Radium district, Northwest...May-June, 198S 0 the Anjanabonoina Pegmatite Madagascar Wendell E. Wilson The Mineralogical Record 4631...and pink cesium-rich beryl. T INTRODUCTION Madagascar is the fourth largest island in the world, 1580...of the island, 42 kilometers west-southwest of Betafo, and 60 km from Antsirabe. The area is rugged and...March. HISTORY Reports of precious stones from Madagascar were more or less ignored for centuries. In 1547 |  | | Book | | Japan, 462 Switzerland, 510 Tanzania 463 Madagascar (Malagasy Republic), Malawi Nepal, 482 513...then ruby, Lore and 1879). cat’s-eye, pearl, zircon, coral, soberyl, garnet, carnelian, quartz, and...more km) from Coptos passed center for these district, correspond cites a King to the are to Bostock...location of the mines Holland’s translation, of district, and it could have been Probably these mines...This treatise also contained doubt that the zircon, pyrope, He reaffirmed milky chrysoprase 44 |  | | Book | | crandalJite Pyrochlore-mi cro]j te Uraninite, zircon Uraninite Uraninite, fergusonite, samarskite, xenotime...eschynite, thorite Monazi t,e, cheralite Thorianite, zircon Zirkeli te, clarkeite, al!a.ni te, chevkini te...allanite, spheue Chevkinite Metatorbernite Zircon, baddeleyite Zircon O-(OR)2-F 2 .... . . l\!Iicrolite, apatite...Jnineral are known, its minimum age may be calculated. Zircon has been used for age detern1ination by measuring...Fe2 and lJ4. At least some metamict n1inerals (zircon, samarskite, and polycrase) give sharp electron-clifiraction |  | | Book (volume) | | up 165 for to Temiskaming Cochrane district read district. Ref. 4, under oruetite, add See also... for VVakatipu district, CoUingwood, 294 Zealand read Wakatipu 303 line district, 8 in synonomy...pageite read paigeite. for Algoma district read Sudbury District. in the left Itand figure in the...1910; 5, 1913; Paris. (1922-1923). Mineralogie de Madagascar. 3 volumes: vols. 1, 2, 1922; 3, 1923; Paris...Alps to the Pyrenees. The most important European district is in Transylvania, in the southeast portion of |  | 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) | | has been disrupted by ionizing radiation, (e.g., zircon) and (3) certain naturally occurring liquids (H...Mineralogical Magazine A. LaCroix, Mineralogie de Madagascar, 1922 P. Embry and Fuller Manual of New Mineral...Co., Bonanza mine, Trinity Co., Michigan Bluff district, Placer Co., in AK, placers at Fairbanks, Iditarod...and quartz veins at Juneau. In Canada, Noranda district, PQ; Porcupine, Kirkland Lake, and Larder Lake...deposits, ON; Atlin and Caribou, BC; and Klondike district, YT. In Mexico, Altar and Magdalena, SON; Parral |  | | Journal (issue) | | natural base. $125.00 GALENA. St. Joseph Lead District, Mis souri. This is the m ost brilliant cubic..."approximately $45.00). SIEGENITE. St. Joseph Lead District, Missouri. A rare cobalt nickel sulfide with brilliant...chemically simple systems. Phenakite (Be2S i0 4), zircon (Z rS i0 4), and beryl (Be3 Al2Si60 i 8 have all... B. F. (1952) Geology of the An dover mining district, Sussex County, New Jersey: N. J. Dept. Conserv...signify rare minerals. 1922). Thus a pegm atite at Samiresy has betafite (“samiresite”), euxenite, native |  | | Book (edition) | | System II. TETRAGONAL SYSTEM 1. Normal Class (6). Zircon Type 2. Hemimorphic Class (7). lodosuccinimide...on crystals of the same species (cf Figs. 5-8 of zircon below) are more or less closely connected together...are examples of a few of the forms of the species zircon. There is hardly any limit to the number of faces...habit, as it is called, may vary indefinitely. Zircon 13. Diversity of Size. Crystals occur of all sizes...CLASS. (Ditetragonal Bipyramidal. Holohedral.) Zircon Type. 7. Holohedral Hemi(Ditetragonal Pyramidal |  | | Book | | first to crystallize are the accessory minerals: zircon, titanite and apatite. These are followed by those...cations. Examples: olivine, the garnet group, topaz, zircon. 2. Sorosilicat~s In these the tetrahedrons are...Dover and Ta,·iswck / England ), i11 the mining district of the Three Slates 1 GSA) and Sardinia (Silius)...Niagara valley in Saud i Arabia, a nd t he Samarkand district in Turkestan. Excellent nodules have been found... Betafite (c.xl.5) (U, Ca) 2 (Ti,Nb,Ta)0 6 (0,0H,F) Betafo (Malagasy Republic) Complex uranium calcium titanium |  | | Book | | a crystalline 11 limestone at Ambatoarina, Madagascar. Compare Ancylite (G. Flink, 1900; 2nd List.)...ortho¬ rhombic) prisms in pegmatite at Ampangabe, Madagascar. It approximates in composition to the heterogeneous...cassiterite and quartz from near Arandis, Swakopmund district, South-West Africa. Named from the locality. [M...mixed friable ore from the Mammoth mine, Tintic district, Utah. This formula is deduced from a very unsatisfactory...(Arschinowit). Yet another name for a partially metamict zircon. [M.A., 14, 277, 345; Amer. Min., 44, 210.] 22nd |  | | Journal (volume) | | Third Floor, Ferry Building, San Francisco 11 District Offices State Building, 217 West 631 J Street...are also sold at the Los Angeles and Sacramento district ; ; ; offices. In addition to oral conferences...sands for steel foundries from the Ottawa-Illinois district had accelerated with the growth of the steel-casting...of the sand used in foilkdry work is siliceous. Zircon sands are used in special cases because of th»\ir...halloysite sold to foundries has come from the Eureka district of Utah. It is also known to occur in Indiana |  | | Book (edition) | | pp. 1 53. 1 5S (acmiteaugite). Acorite. syn. of zircon. A.H. Chester ( 1896) Diet. Na111es Min., p. 2...Min. 38. 265. Orthorhombic. (TL) Ambatoarina. Madagascar. Named for locality. Amber. a fossil resin. Contains...Sac.fr. Min. Crist. 83. 295. (11..) Ampangabe. Madagascar. Am p h ibole. group of chain silicate minerals...28'. Z=4. (TL) Grand Reef mine. Aravaipa mining district. Graham Co .. Arizona. USA. Named from locality...analogue of arsenonore ncite-(Ce) from the uranium district of northern Bohem ia. Czechoslovakia. Arsenonorencite-(Nd) |
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Samiresy, Tritriva, Betafo District, Vakinankaratra, Madagascar