 | | Book | | being productive. Thus it is most common to classif y deposits based on both the geologic setting and the...accessory minerals include uranothorite, thorianite, euxenite, thorite, pyrochlore, chevkinite, fluorite, bastnaesite...Alaska; Grand Calumet Is., QUE; the Kyshtymsk district, Ural Mts., Russia; and at Bastnaes and at the...deposits also occur at several sites in the Mavuzi district, Mozambique, where davidite crystals exceeding...Nederland, CO; the Black Hawk silver district, NM; the Coeur d'Alene district, ID; Great Bear Lake area, NWT |  | | Book | | The treatment of historical details makes for highl y classic localities. Uraniun, and Lhorium mineralogy...Czech Republic) and elsewhere in the Erzgebirge district. Those n1ines had been \VOrked for silver and...n1ake use of depleted uranizan, which is essentiall y a very slightly radioactive waste product that re111ains...projects are developed, particularly in the Elkon district. Production in Central Asia increased significantly...studied. There are three predon1inant nat11 rall y occurring isotopes of uraniun1 and thoriun1, 238 U |  | | Book | | Z = 63) Europium (Gd, Z = 64) Gadolinium Yttrium (Y, Z = 39), although not a lanthanide, is eonveniently...similarity in ehemieal behaviour among the REE plus Y, and between Nb and Ta, that strongly influenees their... . . . . . . . . . 80 Part II Geochemistry REE (Y), Nb, and Ta Enrichment in Pegmatitesand Carbonatite-Alkalic...Bastnaesite-Fluorite-Barite Deposit of the Kizilcaören District, Eskisehir, Turkey. G. Morteani and M. Satir (with...Granite-Hosted Tantalum Deposits: An Approach via District Analysis. P. 1. Pollard (with 1 Figure) . . . |  | | Book (edition) | | fH e4agi"â ef) rk bias iycraton as nam Van ce Y ear ieaad Wi 56 ett f tT 7 Pretace The amount...increased computerization. Combined, these have led y, microscop ution high-resol vances in structural determinations...Reflectedof making it more readable. species. existing y previousl for given is on and new locality informati...(oe Serer ieS. om) To eniites mit oll mee =~ ie Y a OD chia & ifdatts 4}Roer+le aytlombat Wt hontihaw...X-ray Powder Patterns for Silicate Minerals,ââ by I. Y. Borg and D. K. Smith, Geological Society of America |  | | Book (edition) | | 10 Transpose illustrations for AXINITE, Hyuga, Japan (12, column 1) and AZURITE, Concepcion del Oro,...X-ray Powder Patterns for Silicate Minerals," by I. Y. Borg and D. K. Smith, Geological Society of America...biaxial crystals have three indices labeled a,~, 'Y (or X, Y, Z). reniform Kidney-shaped. rhombohedral A set...Colorado at the Pelican Dives rnine , Silver Plun1e district, and at the Little Emma mine, Clear Creek County;...SPACE GROUP: P4/nmm, P6 3 /mmc Z: 2 = Britholite- (Y) 1 2 ACHAVALITE LATTICE CONSTANTS: ( tetragonal) |  | | Book (volume) | | up 165 for to Temiskaming Cochrane district read district. Ref. 4, under oruetite, add See also...under 177 184 Rem. read -Z -0 223; for y 225 read -y 225; 357. wider Forms, for q 112 read n 112...transpose âp Tl2. âp and ân. wider Fortns, for y 7078 read y 7078. in Niccolite Group tabulation, after 2656...for (3X3.433) read (^3X3.433). under Forms, for ây. 1453 read n 1453. down 240 3 16. 3 16 read g 3... for VVakatipu district, CoUingwood, 294 Zealand read Wakatipu 303 line district, 8 in synonomy |  | | Book | | ( ew â )) AT âEL aye ia a ae daaYepAoNpte Nee Y ; Limonite, Eldorado, Ontario, Canada Preface here... Balto-Slavic Indo-Iranian Ay y* Celtic Anatolian oa \ â6 y< Hellenic & West vis\ Germanic...nebh-ela, cloud Gk. nephele, cloud nepheline / y Romance languages Greek Middle English ca.! 100-1500...FĂ©rh. 13, 781. Moore, Forms series with aeschynite-(Y) and niobo- P.B. (1968): Arkiv Mineral. Geol. 4,...GY. (1984): Am. Mineral. 69, 565. Aeschynite-(Y) (Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6, orth., Pbnm. Forms series |  | | Book | | T1 Th Sn Ti TiOx WO4 WO3 W WOx u UOx UO2 V VOx Yb Y Zn Zr No. 162 109 17 12 15 1337 91 422 429 424 50...535. See also Rynersonite, Vigezzite, Aeschynite-(Y), Niobo-aeschynite-(Ce). Aeschynite-(Nd), (Nd, Ce... Am. Min. 69(1984), 565 (Abst.). Aeschynite-(Y), (Y,Ca, Fe, Th)(Ti, Nb)2(0, OH)g, S Orth. Sub-metallic...208. See also Aeschynite-(Ce), Tantalaeschynite- (Y). Afghanite, (Na,Ca, K)8(Si,Al)^2024(C!l) 804)3...1984. Am. Min. 70(1985), 871 (Abst.). Agardite-(Y), Cug(Y,Ca)(As04)3(0H)g*3H20, S Hex. Translucent blue-green |  | 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) | | California. Akira Kato: National Science Museum, Tokyo, Japan. Petr Korbel: Dept. of Mineralogy, National Museum...example, tritomite-(Ce) and tritomite-(Y) are end members [Ce+Y] in the tritomite series [AM 51:152(1966)]...nal order detectable by diffract at least a implies y generall here use fied exhibits external faces, but...where h, k and] are positive or negative, unequal y elesymmetr all by upon acted are faces al the general...spacing, and subscripted by the relative intensit y from 10 down to 1. The pattern is preceded by the |
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Nekonaki, Ishikawa town, Ishikawa District, Fukushima Prefecture, Japan