 | | Journal (article/letter/editorial) | | com/loi/tigr20 Evolution of the Amba Dongar Carbonatite 40 39 Complex: Constraints from Ar- Ar Chronologies...Pattanayak (2003) Evolution 40 39 of the Amba Dongar Carbonatite Complex: Constraints from Ar- Ar Chronologies...rights reserved. Evolution of the Amba Dongar Carbonatite Complex: Constraints from 40Ar-39Ar Chronologies...009, India Downloaded by [Central Michigan University] at 19:12 20 October 2015 Abstract The Amba Dongar...carbonatite-alkaline complex is one of several alkaline complexes present within the Chhota Udaipur subprovince |  | | 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 |  | 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 |  | | 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 |  | | Report (chapter) | | Origin of the Amba Dongar carbonatite complex, India and its possible linkage with the Deccan Large Igneous...016, India 2 Carbonatite Research Centre, Amba Dongar, Kadipani, District, Baroda 390 117, India 3 ...Geology, University of Lucknow, Lucknow 226 007, India *Correspondence: dpaul@iitk.ac.in Abstract: The...nephelinites and Deccan basalts from Amba Dongar in western India, and probe the linkage between carbonatite...of trace element enrichment observed in the Amba Dongar carbonatites. We suggest that CO2-rich fluids |  | | Journal (article/letter/editorial) | | Isotopic data from the Amba Dongar Carbonatite Complex, west-central India: Evidence for an enriched...College, Department of Geology, 400 001 Bombay, India Received 17 August 1994; accepted after revision...calciocarbonatites from the Cretaceous ( ~60 Ma) Amba Dongar complex, Gujarat (India) are relatively uniform. The isotopic...The initial Nd and Sr isotopic ratios from the Amba Dongar calciocarbonatites indicate derivation from a...mantle components. The isotopic ratios from the Amba Dongar calciocarbonatites are similar to proximal alkaline |  | | Journal (article/letter/editorial) | | Indian Institute of Science, Bangalore 560012, India 2Divecha Centre for Climate Change, Indian Institute...Bangalore 560012, India 3Carbonatite Research Centre, Amba Dongar, Kadipani 390117, India *Correspondence:...Science and Education Research, Bhopal 462066, India 1 Abstract: Carbonatites crystallise along a...(Δ47) data of rocks from spatially associated Amba Dongar and Siriwasan alkaline complexes in the north-western...north-western Deccan igneous province, India. We derive apparent equilibrium blocking temperatures to help |  | 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) | | m wide. Dykes of red-brown siliceous fluidized-breccia and epithermal-textured veins consisting of bladed...rocks (Alvin et al. 2004). However, as at Amba Dongar in India, and several other fluorite carbonatite...(including carbonatite-breccia) is associated with red-brown fluidized-breccia, the Paleoproterozoic Hart...veins Carbonatite, syenite, fenitized syenite, breccia pods Composite stock. Carbonated mica pyroxenite...alkaline complex Strangways alkaline igneous province. Mud tank carbonatite Mordor igneous complex A map |  | | Journal (article/letter/editorial) | | Isotope Geochemistry of the Amba Dongar Carbonatite Complex, Gujarat, India S.G. Viladkarl and M. Schidlowski2...Department, St. Xavier's College, Mumbai-400 001, India Max-Planck-Institutfur Chemie (Otto-Hahn-Institut)...based on 42 samples from the Amba Dongar carbonatite complex of Gujarat, India, indicates that the magmatic...of '"0-depleted groundwaters. As a whole, the Amba Dongar carbonatite province displays the characteristic...carbon isotopes, oxygen isotopes, upper mantle, Amba Dongar. Introduction After a period of dormancy following |  | | 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...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...extends our investigation of aqueous fluids at Amba Dongar to those trapped in the carbonatite and the fenitised |  | Owen-Smith, T.M., Ashwal, L.D., Torsvik, T.H., Ganerød, M., Nebel, O., Webb, S.J., Werner, S.C. (2013) Seychelles alkaline suite records the culmination of Deccan Traps continental flood volcanism. Lithos, 182. 33-47 doi:10.1016/j.lithos.2013.09.011 | Journal (article/letter/editorial) | | Seychelles represent an alkaline plutonic–volcanic complex, dated at 63 to 63.5 Ma by U–Pb zircon and 40Ar/39Ar...cataclysmic Deccan Traps continental flood volcanism in India (67 to 63 Ma), and thus a causal link has been suggested...Réunion mantle plume at the time of formation of the complex. Here we present geochemical evidence in support...supercontinent, the separation of the Seychelles from India (Collier et al., 2008; Mahoney et al., 2002). This...shown that the Seychelles was situated west of India and in the vicinity of the Réunion plume at this |  | 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...late minor secondary minerals into carbonatite breccia and alkaline dykes. In conclusion, the scarcity...the Monte Verde carbonatite-alkaline-agpaitic complex suggests low metallogenetic interest and economic...Keywords: Nb; pyrochlore; carbonatite; magmatic breccia; alkaline subsaturated rocks; agpaitic minerals; |  | | 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 |  | 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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