 | Doroshkevich, A. G., Viladkar, S. G., Ripp, G. S., Burtseva, M. V. (2009) HYDROTHERMAL REE MINERALIZATION IN THE AMBA DONGAR CARBONATITE COMPLEX, GUJARAT, INDIA. The Canadian Mineralogist, 47 (5) 1105-1116 doi:10.3749/canmin.47.5.1105 | Journal (article/letter/editorial) | | MINERALIZATION IN THE AMBA DONGAR CARBONATITE COMPLEX, GUJARAT, INDIA Anna G. DOROSHKEVICH Geological...overprinted. The mineral association of quartz, florencite-(Ce), strontianite, barite and sparse bastnäsite...recrystallization, carbonatites, REE fluorcarbonates, florencite-(Ce), Amba Dongar, India. Sommaire Nous avons...assemblages primaires. L’association de quartz, florencite-(Ce), strontianite, barite et bastnäsite – parisite...carbonatites, fluorcarbonates de terres rares, florencite(Ce), Amba Dongar, Inde. § E-mail address: ripp@gin |  | Broom-Fendley, Sam, Styles, Mike T., Appleton, J. Don, Gunn, Gus, Wall, Frances (2016) Evidence for dissolution-reprecipitation of apatite and preferential LREE mobility in carbonatite-derived late-stage hydrothermal processes. American Mineralogist, 101 (3) 596-611 doi:10.2138/am-2016-5502ccby | Journal (article/letter/editorial) | | Abstract The Tundulu and Kangankunde carbonatite complexes in the Chilwa Alkaline Province, Malawi, contain...enrichment. In contrast to the previous work at Tundulu, we recognize three separate stages of apatite...becoming residually enriched in the HREE. Although at Tundulu the LREE-bearing products are re-precipitated relatively...rare earth elements, Chilwa Alkaline Province, Tundulu, Kangankunde, REE mobility, dissolution-reprecipitation...described in carbonatite complexes at Tundulu, Kangankunde, and Songwe, Malawi; Sukulu, Uganda; and Juquiá, Brazil |  | Broom-Fendley, Sam, Wall, Frances, Spiro, Baruch, Ullmann, Clemens V. (2017) Deducing the source and composition of rare earth mineralising fluids in carbonatites: insights from isotopic (C, O, 87Sr/86Sr) data from Kangankunde, Malawi. Contributions to Mineralogy and Petrology, 172 (11) doi:10.1007/s00410-017-1412-7 | Journal (article/letter/editorial) | | isotopic (C, O, 87Sr/86Sr) data from Kangankunde, Malawi Sam Broom‑Fendley1 · Frances Wall1,2,3 · Baruch...compositions for the REE-rich Kangankunde carbonatite (Malawi), we show that the commonly observed, dark brown...similar δ18O and 87Sr/86Sr to those of the main complex, indicating both are carbonatite-derived and, locally...Verplanck et al. 2016); Kangankunde, Tundulu and Songwe, Malawi (Ngwenya 1994; Wall and Mariano 1996;...process of burbankite replacement (e.g. Kangankunde, Malawi; Wigu Hill, Tanzania; Gem Park, Colorado; Adiounedj |  | 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) | | REE minerals at the Songwe Hill carbonatite, Malawi: HREE-enrichment in late-stage apatite Sam Broom-Fendley...carbonatite-related HREE enrichment are known (e.g. Kangankunde, Malawi; Khibiny, Russia; Deadhorse Creek, Canada; Huanglongpu...REE-bearing minerals at the Songwe Hill carbonatite, Malawi, were investigated with the objective of understanding...enrichment occurs in late-stage apatite at the Tundulu, Kangankunde and Juquiá carbonatites (Ngwenya,...Songwe Hill carbonatite is located in south-eastern Malawi, near the Mozambique border, and is part of the |  | Elliott, H.A.L., Wall, F., Chakhmouradian, A.R., Siegfried, P.R., Dahlgren, S., Weatherley, S., Finch, A.A., Marks, M.A.W., Dowman, E., Deady, E. (2018) Fenites associated with carbonatite complexes: A review. Ore Geology Reviews, 93. 38-59 doi:10.1016/j.oregeorev.2017.12.003 | Journal (article/letter/editorial) | | have been identified between the presence of more complex veining textures, mineralogy and brecciation in...produced from 164 parent alkaline magmas via a complex combination of liquid immiscibility and/or 165...of hydrothermal 181 fluids in and around the complex. With very few exceptions (e.g. Arzamastsev et...(1921) in his 186 memoir on the Fen carbonatite complex, Norway. Since the initial studies of the 187...187 1920s, further investigation of this complex has advanced our understanding of its 188 petrography |  | | Journal (article/letter/editorial) | | (Marchenko 1989), syenite pegmatites in the Oslo region, Norway (Larsen 1996), carbonatites from the Kola...The Variscan Erzgebirge is situated in the border region between Germany (Saxony) and the Czech Republic...scans 067 38#1-fév.00-2119-07 71 71 done on complex natural REE phosphates (monazite and xenotime)...that a careful search in other granites of the region is warranted. Moreover, abundance of secondary...synchysite-(Ce) grain in a calcite carbonatite from Tundulu, Malawi (Ngwenya 1994). Chemically, the unidentified |  | | Journal (article/letter/editorial) | | meteoric alterations of the Lueshe carbonatite complex žDemocratic Republic of Congo / identified by a...and whole-rock samples of the Lueshe carbonatite complex ŽNE of Democratic Republic of Congo.. The fresh...solution ŽHF q HNO 3 .. The Lueshe carbonatite complex contains a suite of REE-carriers identified as...parisite, synchysite, ¨ monazite, allanite and florencite. The REE can also concentrate in laterite profiles...quantities of Fig. 1. Geological map of the Lueshe complex Žmodified after Maravic et al., 1989.. The studied |  | | Report (issue) | | third order administrative area, basin/formation/region(area)/deposit, and deposit/site name. Guano and...third order administrative area, basin/formation/region(area)/ deposit, deposit/site name, deposit type...information in the next two fields, .Basin/Fmt/Region (area)/Deposit and Deposit/Site_Name, is meant...Age, Host/Associated Lithology, Host Formation/Complex, Minerals, and Geologic Comments/Deposit Description...Yacimientos no metaliferos y rocas de aplicacion de la region Patagonia-Comahue: Argentina Ministerio de Economia |  | | Journal (article/letter/editorial) | | Mount Weld and Gifford Creek ferrocarbonatite complex in Western Australia, the controversial Bayan Obo...events. The causes and mechanisms of rifting are complex and are beyond the scope of this contribution,...for many of the non-carbonatitic complexes of southern Africa (Woolley, 2001; Woolley and Kjarsgaard...Goudini), Western Australia (Mount Weld and Gifford complex) and China (Bayan Obo and the carbonatites of the...Fig. 2. 2.1. Brandberg The Brandberg alkaline complex (Hodgson, 1973; Diehl, 1989, 1990; Bowden et al |  | | Conference Proceedings (Volume) | | basalt-boninite basement of west Magnitogorsk Arc, the Southern Urals, Russia ..................................Allen Archean gold skarns in iron formation, Southern Cross greenstone belt, Yilgarn Craton, Western...Neoproterozoic rocks in the Lufilian belt, Domes region, Zambia .........................................Paleoproterozoic U-mineralization in the Archean Pudasjärvi Complex, northern Fennoscandian Shield ..................characteristics of the Yonghwa phoscorite-carbonatite complex, Korea . . ................................... |  | | Book | | "Broadly regarded, the depth ta which a metalliferous region has been eroded affects its present characteristics...colour index. This is, without doubt, the most complex lithologie association to be handled from the point...or in the mine workings at all. The Climax Mo complex is the best known example. Here three generations...150-200 km and are up to 15 km thick. The entire complex is composed of over 800 mappable plutons and small...occurrence, and the great Butte ore field in the southern part of the batholith. In contrast to the Peruvian |  | | Book | | "Broadly regarded, the depth to which a metalliferous region has been eroded affects its present characteristics...colour index. This is, without doubt, the most complex lithologic association to be handled from the point...or in the mine workings at all. The Climax Mo complex is the best known example. Here three generations...150-200 km and are up to 15 km thick. The entire complex is composed of over 800 mappable plutons and small...occurrence, and the great Butte ore field in the southern part of the batholith. In contrast to the Peruvian |
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