 | | Journal (article/letter/editorial) | | REVIEW Assessing rare earth element mineral deposit types and links to environmental impacts Z. H. Weng*1...modest scale of the global REE mining sector means that the REE mineral deposit type knowledge base is small...classification scheme for differing REE mineral deposit types, outline the geological processes that cause...on the environmental impact associated with REE mining, extraction and processing. Although current global...mineralogy is linked to environmental risks during mining and refining, especially aspects such as radioactive |  | Amores-Casals, , Melgarejo, , Bambi, , Gonçalves, , Morais, , Manuel, , Neto, , Costanzo, , Molist, (2019) Lamprophyre-Carbonatite Magma Mingling and Subsolidus Processes as Key Controls on Critical Element Concentration in Carbonatites—The Bonga Complex (Angola) Minerals, 9 (10) 601 doi:10.3390/min9100601 | Journal (article/letter/editorial) | | fluorite [73], iron and pyrochlore [74], with many mining exploration operations currently in process. Pyrochlore...rutile (Ti, Kα, PETJ), LaB6 (La, Lα, PETJ), CeO2 (Ce, Lα, PETJ), corundum (Al, Kα, TAPH), periclase (Mg...with quartz replacements and are scarce. Parisite-(Ce) forms fine anhedral crystals less than 10 microns...ilmenorutile and synchysite-(Ce). Tiny radial aggregates of synchysite-(Ce) (Figure 4f) occur in ankerite...quartz. REE phosphates are less abundant. Rhabdophane-(Ce) forms botryoidal aggregates of fine radial |  | | Book | | nearly all metals and the inevitable closing of many mining operations, it is a matter of the industry's survival...decision, not only is a handy volume affered to the mining and processing community but also duplication of...Terbium (Tb, Z = 65) Dysprosium (Dy, Z = 66) Cerium (Ce, Z =58) Holmium (Ho, Z = 67) Praseodymium (Pr, Z...The Bastnaesite-Fluorite-Barite Deposit of the Kizilcaören District, Eskisehir, Turkey. G. Morteani and...Granite-Hosted Tantalum Deposits: An Approach via District Analysis. P. 1. Pollard (with 1 Figure) . . . |  | | Book | | in southwestern Arizona. When used with a town or city this designation indicates the direction in which...Just, Perth, Australia; Richard Thomssen, Carson City, Nevada, USA; Peter Embrey, London, England; Jessie...Cryst. B45 (1989), 201. Aeschynite-(Ce) 2 Aeschynite-(Ce), (Ce,Ca,Fe,Th)(Ti,Nb)2(0,0H)6, Orth. Sub-metallic...Niobo-aeschynite-(Ce). Aeschynite-(Nd), (Nd, Ce, Ca)(Ti,Nb)2(0,0H)6, dark/light brown. Bayan Obo, Inner Mongolia...Mongolia, China. 0 Syst=? Adamantine H= 5-6, Djjj= 4.8, D(,=?, IVD 11. Zhang & Tao, 1982. Am. Min. 69(1984) |  | | Book | | overflow —_Lat. fluere, to flow Old English ca.450-1050 CE krup-yo, to conceal, hide Gk. kryptein, to hide...Romance languages Greek Middle English ca.! 100-1500 CE PO, Me Modern English out ee nom, to assign...the Commission of Levinson (1966), e.g., monazite-(Ce). Geometric on New variants are in some cases prefixed...et al. (1978): Am. Mineral. 63, 930. Abenakiite-(Ce) NazoREE6(SiO3)6(PO4)6(CO3)6(SO2)O, Matzko, J.J...Aeschynite-(Ce) (Ce,Ca,Fe, Th) (Ti,Nb)2(O,OH)¢, orth., Pbnm. Dimorphic relationship with lucasite-(Ce). Sjdgren |  | | Book (edition) | | 9055 89 Ac 43 r-- V 1 1 1 � 3p 111 B Ce Pr 60 Ce• 11•n 1.:".) 1:, P•J'.,V'.>:l,n •'1 1.:� ')J�;...Absitc. var. of brannerite. A .W.G. Whittle ( 1 954) Mining Rev. S. Austral. Dept. Mines no. 9 (for 1 952)...(TL) Crackers Well. South Australia. Australia. Deposit located by air-borne scintillator; hence name....alluding to its appearance. 18.2. 1 3 Aeschynite-(Ce). (Ce.Ca.Fc.Th)(Ti.Nb) i (O,OH) 6 • 1.1. BerL.elius...natural state. Forms two series. with niobo-acschynitc-(Ce) and with acschynite-(Y): dimorphouswith lucasitc-(Cc) |
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