 | | Report (issue) | | Monazite-(Nd) (Nd, La, Ce)PO4 c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: 15 Āµm. ...[{100}, distinct; {010}, poor] [by analogy to monazite-(Ce)]. Tenacity: [Brittle.] Hardness = [5ā5.5]...03 (P0.97 Si0.01 )Ī£=0.98 O4 . Mineral Group: Monazite group. Occurrence: In fissures in aplitic veins... Italy); replacing brindleyite in bauxite (Marmara deposit, Greece); in volcanic-associated marine cherts... xenotime, gadolinite, bastnaĢsite, allanite, monazite-(Ce) (Pta. Glogstafel, Distribution: From Pta |  | | Journal (article/letter/editorial) | | Budapest, Hungary Neodymian Goyazite in the Bauxite Deposit of Vlasenica, Yugoslavia Z. Maksimovid and...of a bauxite sample with the highest content of the rare earth elements from the Nazda bauxite deposit...deposit in the Vlasenica bauxite-bearing area, revealed the presence of neodymian goyazite, a mineral of the...presented and the genesis is discussed. Zusammenfassung Nd-haltiger Goyazit im BauxitIager yon Vlasenica,Jugoslawien...gegeben. Introduction The karstic bauxite deposits in the bauxite-bearing area of Vlasenica (Eastern |  | RadusinoviÄ, Slobodan, JelenkoviÄ, Rade, PaÄevski, Aleksandar, SimiÄ, Vladimir, BožoviÄ, Darko, Holclajtner-AntunoviÄ, Ivanka, ŽivotiÄ, Dragana (2017) Content and mode of occurrences of rare earth elements in the Zagrad karstic bauxite deposit (NikÅ”iÄ area, Montenegro) Ore Geology Reviews, 80. 406-428 doi:10.1016/j.oregeorev.2016.05.026 | Journal (article/letter/editorial) | | rare earth elements in the Zagrad karstic bauxite deposit (NiksĢicĢ area, Montenegro) Slobodan RadusinovicĢ...rare earth elements in the Zagrad karstic bauxite deposit (NiksĢicĢ area, Montenegro), Ore Geology Reviews...rare earth elements in the Zagrad karstic bauxite deposit (NikÅ”iÄ area, Montenegro) T Slobodan RadusinoviÄ*1...karst bauxite from three different cross-sections (I-III) D of Ore body 3 from the Zagrad deposit in the...elements (including REEs) CE P throughout the deposit was presented in order to identify the distribution |  | | Journal (article/letter/editorial) | | = 24.5, (La at 25Ā°C); 26.0, (Pr at IOOāC); 25.7, (Nd at 100Ā°C): and 25.5, (Er at IOOāC). On the basis...(1984) measured the concentrations of La, Ce and Nd in coastal sea water to be 44,63 and 46 pmollkg,...(LREE) commonly occur as the phosphate mineral monazite. The heavy rare earth elements plus yttrium (HREE...analysis were 575, 442 and 379 nm for the elements Nd, Pr and Er, respectively. The lanthanum analyses...that the dissolution reaction was first order in Nd concentration: dC/dt= k(C, - C), = exp(--kt). (7) |  | Vind, Johannes, Malfliet, Annelies, Blanpain, Bart, Tsakiridis, Petros, Tkaczyk, Alan, Vassiliadou, Vicky, Panias, Dimitrios (2018) Rare Earth Element Phases in Bauxite Residue. Minerals, 8 (2) 77 doi:10.3390/min8020077 | Journal (article/letter/editorial) | | minerals Article Rare Earth Element Phases in Bauxite Residue Johannes Vind 1,2, * ID , Annelies Malfliet...of Greece Plant, Metallurgy Business Unit, Mytilineos S.A., Agios Nikolaos, 32003 Boeotia, Greece; vicky...Polytechniou 9, Zografou Campus, 15780 Athens, Greece; ptsakiri@central.ntua.gr (P.E.T.); panias@metal...insight into the rare earth element (REE) phases in bauxite residue to improve REE recovering technologies...mineral particles in bauxite residue. Their sizes range from <1 Āµm to about 40 Āµm. In bauxite residue, the most |  | | Journal (article/letter/editorial) | | Associated Critical Metals in Karstic Bauxites and Bauxite Residue of Montenegro Slobodan RadusinovicĢ 1,...University of Thessaloniki, 54124 Thessaloniki, Greece; argpapad@geo.auth.gr Correspondence: radusinovic...applications and shortage of supply. Bauxites, or bauxite residue after alumina extraction can be sources...other critical elements. Montenegrin bauxites and bauxite residue (red mud) are investigated for their mineralogy...study of the CRMās potential of the Montenegrin bauxite residue after the application of Bayer process |  | Cooper, Alan F., Collins, Alice K., Palin, J. Michael, Spratt, John (2015) Mineralogical evolution and REE mobility during crystallisation of ancylite-bearing ferrocarbonatite, Haast River, New Zealand. Lithos, 216. 324-337 doi:10.1016/j.lithos.2015.01.005 | Journal (article/letter/editorial) | | interstitial patches dominated by calciteāancyliteābariteāmonaziteā thoriteāalbiteāaeschyniteāanalcime, interpreted...convex-upward chondrite normalised REE patterns enriched in Nd, and are relatively depleted in lighter LREE and...contain the association ancyliteābariteāthoriteāmonaziteācalciteā analcimeāaeschyniteāalbite. This constitutes...ancylite are radiating, bow-tie clusters of prismatic monazite, poikilitic barite and analcime, albite, muscovite...being characterised by progressively decreasing (La/Nd)cn ratios, resulting in the ļ¬attened or hump-shaped |  | Hongbing, Ji, Shijie, Wang, Ziyuan, Ouyang, Shen, Zhang, Chenxing, Sun, Xiuming, Liu, Dequan, Zhou (2004) Geochemistry of red residua underlying dolomites in karst terrains of Yunnan-Guizhou Plateau. Chemical Geology, 203 (1) 29-50 doi:10.1016/j.chemgeo.2003.08.013 | Journal (article/letter/editorial) | | the boehmite-rich bauxite profiles, i.e., La-rich bastnasite, Nd-rich synchysite and Nd-rich goyazite. However...77 5.73 9.31 8.09 6.84 1307.64 324.14 114.84 54.39 Nd 4.09 4.32 3.91 6.77 17.01 35.02 28.94 25.76 26.09...T-3(AI) Y-3(AS) T-1(AS) T-2(AS) T-3(AS) Y La Ce Pr Nd Sm Eu Gd Tb Dy Ho Er Tm Yb Lu AREE LaN/YbN LaN/SmN...the sample, Sun personal correspondence), with La, Nd and P being dominant. The grain size of the mineral...found the REE-rich layers at the basement of karst-bauxite deposits, which is attributed to the concentrated |  | | Report (volume) | | Distribution of Rare-Earth Elements in Ā· Minerals of the Monazite Family U.S. GEOLOGICAL SURVEY BULLETIN 2140 ...SPOKANE, Washington-U.S. Post Office Bldg., Rm. 135, West 904 Riverside Ave. (Check or money order must be...Distribution of Rare-Earth Elements in Minerals of the Monazite Family By Sam Rosenblum and Michael Fleischer...distribution of rare-earth elements in minerals of the monazite family I by Sam Rosenblum and Michael Fleischer...references. Supt. of Docs. no.: I 19.3:2140 1. Monazite. 2. Earths, Rare. I. Fleischer, Michael, 1908- |  | | Report (issue) | | LANTHANIDES AND YTTRIUM IN THE MINERALS OF THE MONAZITE FAMILY by Michael Fleischer 1 , Sam Rosenblum2...Survey, Reston, VA 22092 Abstract Minerals of the monazite structural group include arsenates, phosphates...A = Bi, Ca, Ce, La, Nd, Th, U, and/or Y; and B = P+5 s As+^, and/or Si+5. Monazite-family minerals contain...and may have minor amounts of other elements. Monazite(Ce) is the predominant species, constituting 763... Another 18 analyses are for other species of monazite and gasparite-(Ce) (Table 4), cheralites (Table |  | | Journal (article/letter/editorial) | | from the text by simply using the code of each deposit in the chart. This code can be created by combining... . . . . 3.4. Metamorphic chromium (gemstone) deposit . . . . . . . . . . . 3.5. Chromium supply and... . . . . . . . . 11.3. Structure-bound copper deposit . . . . . . . . . . . . . . . . . . . . . . . ...the only inexhaustible low-grade, large-tonnage deposit on earth? The ļ¬rst step has already been taken...different publications quoted for each type of deposit to get more information on those data which cannot | | | Journal (article/letter/editorial) | | from the text by simply using the code of each deposit in the chart. This code can be created by combining... . . . . 3.4. Metamorphic chromium (gemstone) deposit . . . . . . . . . . . 3.5. Chromium supply and... . . . . . . . . 11.3. Structure-bound copper deposit . . . . . . . . . . . . . . . . . . . . . . . ...the only inexhaustible low-grade, large-tonnage deposit on earth? The ļ¬rst step has already been taken...different publications quoted for each type of deposit to get more information on those data which cannot |  | 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) | | (deceased): Dept. of Earth Sciences, Purdue Univ., West Lafayette, Indiana. James W. Minette: U. S. Borax...LOCALITIES INFORMATION The United States, from east to west Canada Mexico Central America and the Caribbean...Caribbean Greenland Iceland European countries, from west to east Asia, including Siberia ae SS shes] TM REED...NE NV NH NJ NM NY NC ND OH OK OR PA PR RI SC SD TN TX UT VT VA Washington West Virginia Wisconsin Wyoming...Publisher, distributed by Williams Minerals, Rio, West Virginia Wies. Eysel. W., Min. Pet. Inst. Univ. |  | | Book (edition) | | Te. j aed? & dxbrverry nate edgar? āutes itu āasta nd? chia 6 Lebeiies seth ooh taped. athe teeta Ge ip...weathered and oxidized zone overlying a sulfide deposit; contains a concentration of hydrated iron oxide...primary mineral deposit in a vein or rock mass as opposed to a secondary (e.g., placer) deposit. luminescence...composed of two parallel faces. placer A mineral deposit formed by the mechanical (density) concentration...Durango, Mexico; at Tsumeb, Namibia; and at Laurium, Greece. Other occurrences are found in Chile, Italy, France | | | Book (edition) | | weathered and oxidized zone overlying a sulfide deposit; contains a concentration of hydrated iron oxide...primary mineral deposit in a vein or rock mass as opposed to a secondary (e.g., placer) deposit. luminescence...composed of two parallel faces. placer A mineral deposit formed by the mechanical (density) concentration...Durango, Mexico; at Tsumeb, Namibia; and at Laurium, Greece. Other occurrences are found in Chile, Italy, France...hexahydrite, loweite, quartz, and pyrite in the gypsum deposit of Schildmauer near Admont, Styria, Austria. SELECTED |  | | Book | | of the near-endmember forsterite from a skarn deposit in Pamir, Tadzikistan pleochroic band doublets...Mg Mg Fe NC Mg2+Fe2+Fe2+ 2+ 2+ 3696 3680 2+ ND Fe Fe Fe IA Mg2+Mg2+R3+ 2+ 3712 2+ NB Wavenumber...Fe2+Fe2+Fe2+ and Fe2+Fe2+ Al3+ and are therefore an ND-type band and an IB-type band, respectively. These...Mg(HAsO4)Ā·7H2O from the Belorechenskoe uranium deposit, Northern Caucasus (a), weilite Ca(HAsO4) from...the oxidation zone of the Sainte Marie aux Mines deposit, France (b), and koritnigite Zn(HAsO4)Ā·H2O from |  | | Book (edition) | | 9-179 i:;:, 51 iJ1QS1C'n 183 85 ļæ½r,,,._,m 59 Nd 166 ?07 Oļæ½1,;m 19() ;, n 192 n S& 70 PaĀ· ....(TL) Crackers Well. South Australia. Australia. Deposit located by air-borne scintillator; hence name....Z=8. (TL) Mili. Evvia, and Apika. Andros Island, Greece. Named for I . Abs-Wurmbach. Forms a solid-solution...Syn. Eschynitc. cschinitc. ;lschynitc. Acschynite-(Nd ), 18.2. 1 4 (Nd.Cc.Ca.Th)(Ti.Nbh(O.OH) 6 ā¢ P.Zhang...1982) Sci. Ceo/. Sinica, 10. 424. Orthorhombic. The Nd-dominant member of the aeschynitc series named following |
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