 | Su, Hui-Min, Jiang, Shao-Yong, Zhu, Xin-You, Duan, Zhen-Peng, Huang, Xing-Kai, Zou, Tao (2021) Magmatic-hydrothermal processes and controls on rare-metal enrichment of the Baerzhe peralkaline granitic pluton, inner Mongolia, northeastern China. Ore Geology Reviews, 131. 103984pp. doi:10.1016/j.oregeorev.2021.103984 | Journal (article/letter/editorial) | | Replacements of arfvedsonite by aegirine and alkaline feldspar by albite occurred in the moderately-mineralized...granite contains more microcline and albite but less perthite, suggesting the spherulitic granite formed in...fluid inclusion studies, geochronology of the alkaline granite, as well as comparison between mineralized...Barren granite Porphyritic arfvedsonite granite perthite (40 vol%), arfvedsonite (40 vol%), albite (5 vol%)...vol%) and quartz (15 vol%) quartz (25â30 vol%), perthite and microcline (35â45 vol%), albite (10 vol%) |  | Wu, Ming-qian, Tian, Bao-feng, Zhang, De-hui, Xu, Guo-zhan, Xu, Wen-xi, Qiu, Kun-feng (2018) Zircon of the No. 782 deposit from the Great Xingâan Range in NE China: Implications for Nb-REE-Zr mineralization during magmatic-hydrothermal evolution. Ore Geology Reviews, 102. 284-299 doi:10.1016/j.oregeorev.2018.09.006 | Journal (article/letter/editorial) | | especially Nb deposits are carbonatites, followed by alkaline/peralkaline igneous rocks, including silica-saturated...silica-saturated granites (Linnen et al., 2014). As alkaline/peralkaline parental magmas mainly derived from...with carbonatites, rare-metal deposits related to alkaline/peralkaline igneous rocks contain more resources...reliable indicator of magmatic evolution during complex geological processes (e.g., Pearce and Cann, 1973;...hypersolvus intrusion that is characterized by abundant perthite phenocrysts (30 â 40 %). Unlike the granite that |  | | Journal (article/letter/editorial) | | 0.5 wt% REE) in the peralkaline Amis granite Complex, Brandberg, Namibia (Schmitt et al., 2002). Although... (2013) showed that in the Loch Loyal syenite complex, Scotland, magmatic concentration of the REE in...1353â1290 Ma Nain complex and ïŹnally by silica under- and over-saturated alkaline intrusive and volcanic...Spectrometric (LA-ICP-MS) analyses were conducted on perthite using a NewWave 213 nm Nd-YAG laser-ablation system...and are composed mainly of perthite, quartz and arfvedsonite. The perthite generally occurs as large crystals |  | Bernard, Cyrielle, Estrade, Guillaume, Salvi, Stefano, BĂ©ziat, 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) | | evolution of alkaline silica-saturated systems using alkali pyroxene and amphiboles from six alkaline complexes...deposits can be primary (igneous, carbonatites and alkaline systems) or secondary (placers and ion-adsorption)...and Wall 2012; U. S. Geological Survey 2019). In alkaline igneous rocks, REE are hosted mainly in monazite-(Ce)...SĂžrensen 1987; Chakhmouradian and Wall 2012). Most alkaline igneous rocks are silica-undersaturated, with...processes play a role for a pre-enrichment of alkaline rocks in REE and other HFSE (Marks and Markl 2017) |  | van de Ven, Mathijs A. J., Borst, Anouk M., Davies, Gareth R., Hunt, Emma J., Finch, Adrian A. (2019) Hydrothermal Alteration of Eudialyte-Hosted Critical Metal Deposits: Fluid Source and Implications for Deposit Grade. Minerals, 9 (7) 422 doi:10.3390/min9070422 | Journal (article/letter/editorial) | | eudialyte in nepheline syenite from the IlĂmaussaq Complex, Greenland, one of the worldâs largest known eudialyte-hosted...partial replacement of primary magmatic eudialyte by complex pseudomorph assemblages of secondary Zr-, Nb-,...Kringlerne deposit in the Mesoproterozoic IlĂmaussaq complex, South Greenland, presents a major repository of...halogen-rich melts and is identified by the presence of complex NaâCaâHFSE silicates such as eudialyte- and rinkite-group...pseudomorphic replacement. The alteration product is a complex intergrowth of microcrystalline zirconosilicates |  | | Journal (article/letter/editorial) | | of peralkaline granite dykes of the Straumsvola complex, western Dronning Maud Land, Antarctica Chris Harris1...element modelling, some authors have concluded that alkaline granites in general are the products of prolonged...between these two models are those that propose that alkaline granites are the result of assimilation of crust...melting of felsic crust. Examples include the Puklen Complex of the Gardar Province, South Greenland; the Marangudzi...Mt. Brome in Canada, the Ambohimirahavy Complex, Madagascar, and Messum in Namibia (Marks et al. 2003; |  | | Journal (article/letter/editorial) | | post-magmatic products of the Keivy alkali granite complex, NW Russia Dmitry Zozulya, Ray Macdonald, BogusĆaw...post-magmatic products of the Keivy alkali granite complex, NW Russia, Ore Geology Reviews (2020), doi: https://doi...post-magmatic products of the Keivy alkali granite complex, NW Russia Dmitry Zozulya a,*, Ray Macdonald b... Zozulya). Abstract The Keivy alkali granite complex, Kola Peninsula, NW Russia, contains numerous Zr-REE-YNb...Zr-REE-YNb occurrences and deposits, formed by a complex sequence of pegmatitic, hydrothermal and metasomatic |  | Huang, Jian, Tan, Wei, Liang, Xiaoliang, He, Hongping, Ma, Lingya, Bao, Zhiwei, Zhu, Jianxi (2021) REE fractionation controlled by REE speciation during formation of the Renju regolith-hosted REE deposits in Guangdong Province, South China. Ore Geology Reviews, 134. 104172pp. doi:10.1016/j.oregeorev.2021.104172 | Journal (article/letter/editorial) | | allanite; (d) REE fluorocarbonate in a crack in perthite; (e)-(f) REE-bearing minerals and secondary REE-bearing...(Cantrell and Byrne, 1987; Wood, 1990)âselec tively complex with HREEs (Fig. 14a) and produce more LREE sources...mineralogy and geochemistry in a laterite profile from Madagascar. Appl. Geochem. 41, 218â228. Bolanz, R.M., Kiefer...deposits: evidence from the Ambohimirahavavy alkaline complex in Madagascar. Ore Geol. Rev. 112. Fairhurst...and fractionation in a laterite profile from Madagascar: insights from in situ XANES spectroscopy at |  | | Book | | geology The Saint-Andre carbonatite complex The Oka carbonatite complex Mont Royal Mont Saint-Bruno (Montarville)...fully understand the petrogenesis of the igneous complex. In nepheline syenite and sodalite syenite pegmatites...concerning the origin of the Monteregian Hills alkaline province, and a brief description of each member...used interchangeably for the mountain, the alkaline complex, and the eponymous town situated at the foot...From the syenites, he identified such signature alkaline minerals as eudialyte, a lavenite-like mineral |
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