 | | Journal (article/letter/editorial) | | U—Pb ages of apatite in the Amba Dongar carbonatite–alkaline complex, India Benjamin R. Fosu1 | Prosenjit...Bangalore 560012, India Abstract 2 The Amba Dongar carbonatite‐alkaline complex is regarded as a late...Carbonatite Research Centre, Amba Dongar, Kadipani, Baroda 390117, India Correspondence Prosenjit Ghosh...Indian Institute of Science, Bangalore 560012, India. Email: pghosh@iisc.ac.in Funding information Science...PT35271; Ministry of Earth Sciences, Government of India, Grant/Award Number: MoES/ATMOS/PP‐IX/09 (ca. 65 |  | | Journal (article/letter/editorial) | | South America and India. In the Indian Subcontinent carbonatites occur in India, Pakistan, Afghanistan...from India (Hogenakal, Newania, Sevathur, Sung Valley, Sarnu-Dandali and Mundwara, and Amba Dongar), Pakistan...(Permian Koga and Tertiary Pehsawar Plain Alkaline Complex which includes Loe Shilman, Sillai Patti, Jambil...Geology, RTM Nagpur University, Nagpur (MH) – 440001, India; Email: randive101@yahoo.co.in Tushar Meshram: Department...440001, India; Geological Survey of India, Central Region, Seminary Hills, Nagpur (MH) – 440006, India Open |  | 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) | | REE MINERALIZATION IN THE AMBA DONGAR CARBONATITE COMPLEX, GUJARAT, INDIA Anna G. DOROSHKEVICH Geological...Geology, St. Xavier’s College, Mumbai, 400 001, India German S. RIPP and Maria V. BURTSEVA Geological...of overprinted (altered) carbonatites at Amba Dongar, India: weakly overprinted and strongly overprinted...overprinted carbonatites. Hydrothermal minerals at the Amba Dongar were formed by re-equilibration and recrystallization...carbonatites, REE fluorcarbonates, florencite-(Ce), Amba Dongar, India. Sommaire Nous avons étudié deux groupes |  | Gwalani, L. G., Rogers, K. A., Demény, A., Groves, D. I., Ramsay, R., Beard, A., Downes, P. J., Eves, A. (2010) The Yungul carbonatite dykes associated with the epithermal fluorite deposit at Speewah, Kimberley, Australia: carbon and oxygen isotope constraints on their origin. Mineralogy and Petrology, 98 (1) 123-141 doi:10.1007/s00710-009-0102-1 | Journal (article/letter/editorial) | | rocks (Alvin et al. 2004). However, as at Amba Dongar in India, and several other fluorite carbonatite...alkaline complex Strangways alkaline igneous province. Mud tank carbonatite Mordor igneous complex A map...Cambrian Alvin et al. (2004) and this study Amba Dongar, India Paleoproterozoic sedimentary rocks, dolerite...fluorite in other carbonatite complexes (e.g. Amba Dongar in India and Okurusu in Namibia) The textural characteristics...orthopyroxene, plag plagioclase, px pyroxene, py pyrite, pyrr pyrrhotite, qtz quartz, siltst siltstone |  | | Journal (article/letter/editorial) | | IsotopeSystematics of Fluoriteat the AmbaDongarCarbonatite Complex,India:Evidencefor Hydrothermal andCrustalFluid...1985; Canalsand Car(Madano,1989)includeArubaDongar,India(11.6Mt of 30 studwt % CaF2), Okorusu,Namibia (7-10...hydrothermal fluorite from the main deposit at Amba Dongar, alteredcountry rocks, Gittinset al.,1990),and(3)production...isotoperatiosfromthe fluoritesassociated with complex, we attemptto deter* Present address: Max-Planck-Institut...AMBADONGARCOMPLEX,INDIA Geology The Cretaceous(-60 Ma, Deans et al., 1973) Aruba Dongarcarbonatite complex is located |  | | Journal (article/letter/editorial) | | of aqueous–carbonic f luids in the Amba Dongar carbonatite, India: implications for fenitisation A.E...hosted by apatite in calciocarbonatite at Amba Dongar, India, and primary fluid inclusions in quartz of...arcanite (K2SO4), albite, K-feldspar and, possibly, pyrite, and hematite. Fluid inclusions in calcite of the...daughter or trapped phases that these fluids have a complex chemistry marked by high activities of carbonate...fluorite ores associated with carbonatites at Amba Dongar, India and showed that the mineralising fluid was |  | Xu, Cheng, Zhang, Huan, Liu, Congqiang, Qi, Liang, Li, Wenbo, Guan, Tao (2004) Genesis of the carbonatite-syenite complex and REE deposit at Maoniuping, Sichuan Province, China: Evidence from Pb isotope geochemistry. GEOCHEMICAL JOURNAL, 38 (1) 67-76 doi:10.2343/geochemj.38.67 | Journal (article/letter/editorial) | | to 76, 2004 Genesis of the carbonatite-syenite complex and REE deposit at Maoniuping, Sichuan Province...related to the Himalayan alkalic carbonatite-syenite complex. The initial 206Pb/ 204Pb and 208Pb/204Pb ratios...Maoniuping REE deposit, hosted in a carbonatitesyenite complex, is the second largest light REE deposit in China...deposit have suggested that the carbonatitesyenite complex was generated from liquid immiscibility of CO2-rich...including granites, alkalic carbonatite-syenite complex and Mesozoic rhyolites. The granites intruded into |  | 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...of Ti exploitation from mineral sand at Orissa, India 88 (e.g. Gupta and Krishnamurthy, 2005; British...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 |  | 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...Lovozero, Russia), by-products (e.g. mineral sands, India) or to deposits that have enrichments in specific...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 |  | | Journal (article/letter/editorial) | | the Monte Verde Carbonatite–Alkaline–Agpaitic Complex (Angola) Sandra Amores-Casals 1,2, *, Antonio Olimpio... Abstract: The Angolan alkaline–carbonatite complex of Monte Verde has a semi-circular shape and is...the Monte Verde carbonatite-alkaline-agpaitic complex suggests low metallogenetic interest and economic...[8,22]). The Monte Verde alkaline–carbonatite complex, located between Huambo and Kwanza Sul provinces...As a few studies have reported, the Monte Verde complex is comprised of nepheline syenites and several |  | | Report (chapter) | | (1948) conducted a meticulous study of the Aln6 complex. He maintained that alkali carbonatite magma was...was first recognized by King (1949) at the Napak complex in Uganda. Tuttle & Gittins (1966) and Heinrich...Very rare W Kenya E Uganda Malawi Siberia Amba Dongar, India in the deciphering of the upward passage...carbonatitic and ultramafic rocks from the Cargill complex, N Ontario, as related by simple magmatic fractionation...across) around Melteig farm in the SW corner of the complex. The rest are permeated and veined by carbonatite |  | | Journal (article/letter/editorial) | | metasomatic aureole around the Chilwa Island carbonatite complex were chosen for study. In addition to the main...associated with magma at deeper levels in the complex, of higher temperature, and possibly with a lower...emplacement of the Borralan alkaline/carbonatite complex in Scotland. Bühn and Rankin (1999) investigated...partitioning in natural magma systems is highly complex and only understood reasonably well for a few geochemically...bastnäsite-(Ce). Fenite at the Songwe carbonatite complex in Malawi has also been identified as HREE-enriched |  | | Book (edition) | | been discovered around the world: in Australia, India, Pakistan, Quebec, Finland, Guyana, Venezuela, Brazil...Norway, Sweden, Uganda, Tanganyika, Nyasaland, and India. This, like most monographs, is a dehydrated compendium...Brazil Greenland, Europe, and the U.S.S.R. Africa India APPENDICES REFERENCES LOCALITY INDEX SUBJECT INDEX...detailed geological survey of the Alné Island complex and announced his results in a series of papers...found in the Lower Narbada Valley in west central India masses “of yellowish, altered calcareo-siliceous |  | Johnson, Clark M., Bell, Keith, Beard, Brian L., Shultis, Aaron I. (2010) Iron isotope compositions of carbonatites record melt generation, crystallization, and late-stage volatile-transport processes. Mineralogy and Petrology, 98 (1) 91-110 doi:10.1007/s00710-009-0055-4 | Journal (article/letter/editorial) | | up the bulk of the carbonatites within a given complex, but late-stage carbonatites do occur, where these...compositions measured in these minerals record complex differentiation pathways, mixing of phenocrysts...fenitization occurs at the upper levels of a carbonatite complex, and sodic fenitization occurs at greater depths...of fenitizing fluids has been argued to reflect complex evolution of fluids (e.g. Andersen 1986; Kresten...fluid inclusions in the fenites from the Amba Dongar complex, India. Increases in f O2 during fenitization |  | Mikhailova, Julia A., Pakhomovsky, Yakov A., Konopleva, Natalia G., Kalashnikov, Andrey O., Yakovenchuk, Victor N. (2022) Fluorine Controls Mineral Assemblages of Alkaline Metasomatites. Minerals, 12 (9) 1076 doi:10.3390/min12091076 | Journal (article/letter/editorial) | | in his pioneering work on the rocks of the Fen complex in southern Norway [6]. He defined fenites as a...sourced from ijolite–melteigite magma within the complex. The term ‘fenite’ has since taken on a more general...Eudialyte, and Poikilitic complexes. The Layered complex comprises 77% of the massif volume [17], has a...contacts between the rhythms are sharp. The Eudialyte complex is located in the upper part of the Lovozero massif...18% of its volume [17]. The thickness of this complex is from 100 m (in the east) to 800 m (in the northwest) |  | | Report (volume) | | lithospheric mantle is old and will have had as complex a metamorphic and magmatic history as the overlying...transported to the magma chamber roof zones as complex ions in a volatile phase. Carbonatites provide...Potassium-argon geochronology of the Poohbah Lake alkaline complex, northwestern Ontario. Can. J. Earth Sci. 13, 1456-9...lithospheric mantle is old and will have had as complex a metamorphic and magmatic history as the overlying...transported to the magma chamber roof zones as complex ions in a volatile phase. Carbonatites provide |
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