 | | Journal (article/letter/editorial) | | minerals, mainly fergusonite-(Y) and bastnäsite-(Ce). The host aegirine-nepheline syenite was metasomatically...REE-fluorocarbonates, bastnäsite-(Ce), synchysite-(Ce) and parisite-(Ce), and monazite-(Ce). Other igneous rocks...include agpaitic nepheline syenites (e.g., Ilímaussaq, Greenland; Lovozero and Khibiny, Russia) and granitic...peralkaline (molar [Na + K] / Al > 1) and contain complex zirconosilicates such as eudialyte and rinkite...(Le Maitre, 2002). Eudialyte-group minerals are complex Na-Ca-REE-Nb zirconosilicates; we use ©2017 by |  | | Journal (article/letter/editorial) | | occurrence of moskvinite-(Y) in the Ilímaussaq alkaline complex, South Greenland – implications for rare-earth...its type locality Dara-i-Pioz, Tajikistan. At Ilímaussaq moskvinite-(Y) was discovered in a drill core...nite group is for the first time observed in Ilímaussaq where it occurs where sodalite is replaced by...bartonite group, Ilímaussaq alkaline complex. Introduction THE Ilímaussaq alkaline complex is situated in...in South Greenland and is among the youngest alkaline complexes in the region associated with the Gardar |  | Sheard, E. R., Williams-Jones, A. E., Heiligmann, M., Pederson, C., Trueman, D. L. (2012) Controls on the Concentration of Zirconium, Niobium, and the Rare Earth Elements in the Thor Lake Rare Metal Deposit, Northwest Territories, Canada. Economic Geology, 107 (1) 81-104 doi:10.2113/econgeo.107.1.81 | Journal (article/letter/editorial) | | alkaline to peralkaline Blachford Lake Intrusive Complex. A layered alkaline suite dominated by aegirine...considered to represent the youngest phase of the complex. Much of the rare metal mineralization occurs in...mainly in monazite-(Ce), allanite-(Ce), bastnäsite-(Ce), parisite-(Ce), and synchysite-(Ce). Much of the HREE...zircon-fergusonite-(Y)-bastnäsite-(Ce)-parisite-(Ce)-synchysite-(Ce)-allanite-(Ce)-albitequartz-biotite-fluo...peralkaline granites of the Khadlzan-Buregtey Granitoid Complex of 2.65, 0.58, and 0.62 wt %, respectively. In |  | | Journal (article/letter/editorial) | | by various HFSE minerals [typically, bastnäsite-(Ce), zircon, rutile, xenotime-(Y), and columbite] and...the REE fluorcarbonate minerals [e.g., bastnäsite-(Ce)]. These relationships indicate that HFSE precipitation...amphibole from the Deloro complex, Ontario and the Mount Abu-Kharif complex in Egypt, and Piilonen & McDonald...bastnäsite-(Ce) [(Ce,REE)CO3F], parisite-(Ce) [(Ce,REE)2Ca(CO3)3F2], synchysite-(Ce) [(Ce,REE)Ca(CO3)2F]...(ZrSiO4), columbite [(Fe,Mn)Nb2O6], monazite-(Ce) [(Ce,REE)PO4], xenotime-(Y) (YPO4), phenakite (Be2SiO4) |  | Goodenough, K.M., Schilling, J., Jonsson, E., Kalvig, P., Charles, N., Tuduri, J., Deady, E.A., Sadeghi, M., Schiellerup, H., Müller, A., Bertrand, G., Arvanitidis, N., Eliopoulos, D.G., Shaw, R.A., Thrane, K., Keulen, N. (2016) Europe's rare earth element resource potential: An overview of REE metallogenetic provinces and their geodynamic setting. Ore Geology Reviews, 72. 838-856 doi:10.1016/j.oregeorev.2015.09.019 | Journal (article/letter/editorial) | | Uppsala, Sweden e Geological Survey of Denmark and Greenland, Øster Voldgade 10, DK-1350 Copenhagen K, Denmark...of Precambrian to Palaeozoic age and occur in Greenland and the Fennoscandian Shield. Of particular importance...their REE potential are the Gardar Province of SW Greenland, the Svecofennian Belt and subsequent Mesoproterozoic...yttrium (Y), terbium (Tb), lanthanum (La), and cerium (Ce) for phosphor-based fluorescent lighting, smartphone...European REE ores. Such raw material processing is complex, comprising a beneficiation step to concentrate |  | | Journal (article/letter/editorial) | | eudialytes are principally solid solutions between Ce-zirsilite, Mn-taseqite, kentbrooksite, and possibly...which Zr, Hf, Nb, Ta and REE are sequestered in complex Na-Ca-K zirconosilicates and titanosilicates (Khomyakov...Kärr (Sweden; Adamson, 1944) and the Red Wine Complex (Quebec; Curtis and Currie, 1977). Schilling et...compositional data for this eudialyte and describe the complex alteration to a diverse secondary mineral assemblage...series. 2. Geology of the sushina nepheline syenite complex Small exposures of nepheline syenite gneiss are |  | Broom-Fendley, Sam, Brady, Aoife E., Wall, Frances, Gunn, Gus, Dawes, William (2017) REE minerals at the Songwe Hill carbonatite, Malawi: HREE-enrichment in late-stage apatite. Ore Geology Reviews, 81. 23-41 doi:10.1016/j.oregeorev.2016.10.019 | Journal (article/letter/editorial) | | Rare earth elements Heavy rare earth elements Synchysite-(Ce) Chilwa Alkaline Province Critical metals Songwe...fluorapatite and the REE fluorocarbonates, synchysite-(Ce) and parisite-(Ce), which are the other principal REE...succeeded by a light (L)REE mineral assemblage of synchysite-(Ce), strontianite and baryte. Finally, late-stage...retained in solution, subsequently forming synchysite-(Ce). This model will be applicable to help guide...Peak counting times were 20 s for Na, Ca, Mn, P, La, Ce, Cl; 30 s for F, Si, Fe, Pr, Nd, Gd, S; 40 s for |  | Smith, M.P., Moore, K., Kavecsánszki, D., Finch, A.A., Kynicky, J., Wall, F. (2016) From mantle to critical zone: A review of large and giant sized deposits of the rare earth elements. Geoscience Frontiers, 7 (3) 315-334 doi:10.1016/j.gsf.2015.12.006 | Journal (article/letter/editorial) | | the primary igneous source, but the grade is a complex function of igneous source, magmatic crystallisation...molal Na2O+K2O/Al2O3>1.2, and the formation of complex Zr and Ti minerals such as eudialyte – such rocks...host marble. The geochronology of the ores is complex, with periods defined from 1230– 1350 Ma (largely...2015). SC Bear Lodge– The Bear Lodge Carbonatite complex is not currently mined, but hosts potentially economic...by Moore et al. (2015). The Bear Lodge Alkaline Complex is part of the Black Hills Intrusive Belt, South |  | | Journal (article/letter/editorial) | | intrusive phase of the Blatchford Lake Igneous Complex, Canada, and host hydrothermally altered eudialyte-rich...quartz syenites of the Blatchford Lake Igneous Complex (Grace Lake Granite, Thor Lake Syenite, Rim Syenite)...auto-metasomatism associated with ankerite-bastnäsite-(Ce) mineralization, producing hydrothermal carbonates...magmatic-hydrothermal interface. Hydrothermal monazite-(Ce) from the Basal Zone of the Nechalacho deposit yielded...layered intrusion that consists of agpaitic (i.e., complex zirconosilicate-bearing) sodalite-nepheline syenites |  | Bernard, Cyrielle, Estrade, Guillaume, Salvi, Stefano, Béziat, Didier, Smith, Martin (2020) Alkali pyroxenes and amphiboles: a window on rare earth elements and other high field strength elements behavior through the magmatic-hydrothermal transition of peralkaline granitic systems. Contributions to Mineralogy and Petrology, 175 (9). doi:10.1007/s00410-020-01723-y | Journal (article/letter/editorial) | | as bastnäsite-(Ce), parisite-(Ce) and synchysite-(Ce), and phosphate such as monazite-(Ce). Ionadsorption...hosted mainly in monazite-(Ce), xenotime-(Y), fergusonite-(Y), loparite-(Ce) and eudialyte-group minerals...of in-depth studies, such as the Strange Lake complex which was first studied in the late 1980’s (e.g...poorly known, as is the case for the Manongarivo complex, for which the only available information is a...features of each complex; more detailed information is provided in Online Resource 1. Amis complex, Namibia |  | Giebel, R. Johannes, Gauert, Christoph D.K., Marks, Michael A.W., Costin, Gelu, Markl, Gregor (2017) Multi-stage formation of REE minerals in the Palabora Carbonatite Complex, South Africa. American Mineralogist, 102 (6) 1218-1233 doi:10.2138/am-2017-6004 | Journal (article/letter/editorial) | | formation of REE minerals in the Palabora Carbonatite Complex, South Africa R. Johannes Giebel1,2,*, Christoph...Abstract The 2060 Ma old Palabora Carbonatite Complex (PCC), South Africa, comprises diverse REE mineral...monazite, REE-Fcarbonates (bastnäsite, parisite, synchysite), ancylite, britholite, cordylite, fergusonite...occurrences in the PCC as well as in a carbonatite complex in South Africa. The variable REE mineral assemblages...Based on our findings, the Palabora Carbonatite Complex experienced at least two successive stages of intense |  | Gomes, Celso de Barros, Azzone, Rogério Guitarrari, Rojas, Gaston Eduardo Enrich, Guarino, Vincenza, Ruberti, Excelso (2021) Agpaitic Alkaline Rocks in Southern Brazilian Platform: A Review. Minerals, 11 (9) 934 doi:10.3390/min11090934 | Journal (article/letter/editorial) | | ones. However, these associations are indeed more complex in terms of composition, with accessory phases...nepheline syenites (and phonolites) characterized by complex Zr and Ti minerals, such as eudialyte and rinkite...first proposed by [3] to describe rocks from Ilímaussaq complex with a peralkaline index greater than 1.2...minerals of different classes, mostly of highly complex chemical composition. Thus, some agpaitic occurrences...the central-eastern part of the country, where a complex NWto EW-oriented structure, the Asunción rift, |  | Andersson, Stefan S., Wagner, Thomas, Jonsson, Erik, Fusswinkel, Tobias, Whitehouse, Martin J. (2019) Apatite as a tracer of the source, chemistry and evolution of ore-forming fluids: The case of the Olserum-Djupedal REE-phosphate mineralisation, SE Sweden. Geochimica et Cosmochimica Acta, 255. 163-187 doi:10.1016/j.gca.2019.04.014 | Journal (article/letter/editorial) | | mineralisation in SE Sweden, which is dominated by monazite-(Ce), xenotime(Y), and fluorapatite. The primary hydrothermal...syenitoids of the 1.85-1.65 Ga, NNW-SSE trending TIB complex have intruded the Västervik Formation (Gavelin...al., 2018b). Co-existing xenotime-(Y), monazite-(Ce), and fluorapatite are the principal 4 REE-bearing...for the primary REE mineralisation with monazite-(Ce), xenotime-(Y), REE-bearing fluorapatite and (REE...hosts abundant secondary xenotime-(Y) and monazite-(Ce) inclusions (Andersson et al., 2018a). These inclusions |  | | Conference Proceedings (Volume) | | Paleoproterozoic U-mineralization in the Archean Pudasjärvi Complex, northern Fennoscandian Shield ..................Beaufort Kvanefjeld – a large uranium deposit in Greenland ...............................................& W. Dawes Rare earth elements in Europe and Greenland: a geological potential? An overview Nicolas...characteristics of the Yonghwa phoscorite-carbonatite complex, Korea . . ......................................mineralization is related to gabbro-dioritetonalite complex. Ore bodies are conformable to contacts of the |
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