 | Chakrabarty, A., Mitchell, R. H., Ren, M., Saha, P. K., Pal, S., Pruseth, K. L., Sen, A. K. (2016) Magmatic, hydrothermal and subsolidus evolution of the agpaitic nepheline syenites of the Sushina Hill Complex, India: implications for the metamorphism of peralkaline syenites. Mineralogical Magazine, 80 (7) 1161-1193 doi:10.1180/minmag.2016.080.057 | Journal (article/letter/editorial) | | the agpaitic nepheline syenites of the Sushina Hill Complex, India: implications for the metamorphism of...Durgapur Government College, Durgapur 713214, West Bengal, India Department of Geology, Lakehead University...Institute of Technology Kharagpur, Kharagpur 721302, India Department of Earth Sciences, Indian Institute of...Technology Roorkee, Roorkee, Uttarakhand 247667, India [Received 23 March 2015; Accepted 10 November 2015;...The Proterozoic Sushina Hill Complex is the only agpaitic complex, reported from India and is characterized |  | | Journal (article/letter/editorial) | | gneiss from North Singhbhum Mobile Belt, eastern India Bapi Goswami & Swades Kumar Basu Received: 15 August...November 2012 # Springer-Verlag Wien 2012 Abstract Sushina nepheline syenite gneisses of Early Proterozoic...Proterozoic North Singhbhum Mobile Belt (NSMB), eastern India suffered regional metamorphism under greenschist-amphibolite...e transitional facies condition. The Agpaitic Sushina nepheline syenite gneisses consist of albite, K-feldspar...35, Ballygunge Circular Road, Kolkata 700 019, India e-mail: bapigoswami69@gmail.com S. K. Basu e-mail: |  | Chakrabarty, A., Mitchell, R. H., Ren, M., Sen, A. K., Pruseth, K. L. (2013) Rinkite, cerianite-(Ce), and hingganite-(Ce) in syenite gneisses from the Sushina Hill Complex, India: occurrence, compositional data and petrogenetic significance. Mineralogical Magazine, 77 (8) 3137-3153 doi:10.1180/minmag.2013.077.8.08 | Journal (article/letter/editorial) | | hingganite-(Ce) in syenite gneisses from the Sushina Hill Complex, India: occurrence, compositional data and petrogenetic...Durgapur Government College, Durgapur, West Bengal, 713214, India Geology, Lakehead University, Thunder...Technology Roorkee, Roorkee, Uttarakhand-247667, India Geology and Geophysics, Indian Institute of Technology...Technology Kharagpur, Kharagpur, 721302, India [Received 11 July 2013; Accepted 30 October 2013; Associate...miaskitic nepheline syenite gneisses of the Sushina Hill Complex, India. The REE-rich minerals restricted mainly |  | | Journal (article/letter/editorial) | | mineral for petrogenesis of the Purulia carbonatite, West Bengal, India Aniket Chakrabarty & Amit Kumar...Springer-Verlag 2008 Abstract The Purulia carbonatite of West Bengal, India is a dyke occurring within the...the 100 km long South Purulia Shear Zone (SPSZ), which marks the boundary between the Singhbhum Group of...of Earth Sciences, IIT Roorkee, Roorkee 247667, India e-mail: senakfes@iitr.ernet.in A. Chakrabarty e-mail:...Instrumentation Centre, IIT Roorkee, Roorkee 247667, India e-mail: tkgsg@yahoo.co.uk the formation of the |  | | Journal (article/letter/editorial) | | College, 140 Commonwealth ur 4 Jo Avenue, Chestnut Hill, MA, USA * Corresponding author, e-mail: axel.sjoqvist@gu...domains. The Eastern Segment is delimited to the west by the Mylonite Zone and to the east by the Sveconorwegian...the amphibolite facies metamorphism in this area west of the Protogine Zone to the 1.47â1.38 Ga Hallandian...assumed re that co-crystallising aegirine and/or arfvedsonite preferentially deplete the melt in Fe, thus...na continuously increases from black layer (arfvedsonite rich) at the base of the unit, through the |  | Borst, A. M., Friis, H., Andersen, T., Nielsen, T. F. D., Waight, T. E., Smit, M. A. (2016) Zirconosilicates in the kakortokites of the IlĂmaussaq complex, South Greenland: Implications for fluid evolution and high-field-strength and rare-earth element mineralization in agpaitic systems. Mineralogical Magazine, 80 (1) 5-30 doi:10.1180/minmag.2016.080.046 | Journal (article/letter/editorial) | | rinkite (Lorenzen, 1884). Alternating layers of arfvedsonite-, EGM-, and feldspar-rich nepheline syenites...upwards decrease in grain size and modal amount of arfvedsonite relative to aegirine (Bohse and Andersen, 1981)...aegirine lujavrite II. These are overlain by arfvedsonite-dominated lujavrites. Both the TLK and lujavrites...alkali feldspar, nepheline, sodalite, aegirine, arfvedsonite and EGM. Common intercumulus and accessory minerals...they are poikilitically enclosed by primary arfvedsonite. Throughout the sequence, most EGM alteration |  | | Journal (article/letter/editorial) | | South America and India. In the Indian Subcontinent carbonatites occur in India, Pakistan, Afghanistan...considerable time range (>2400 Ma to <0.6 Ma) from India (Hogenakal, Newania, Sevathur, Sung Valley, Sarnu-Dandali...Geology, RTM Nagpur University, Nagpur (MH) â 440001, India; Email: randive101@yahoo.co.in Tushar Meshram: Department...440001, India; Geological Survey of India, Central Region, Seminary Hills, Nagpur (MH) â 440006, India Open...carbonatite magmatism of Northeastern region of India, whereas Schleicher et al. [22] and Pandit et al |  | | Journal (article/letter/editorial) | | Kerimasi cerianite Ke ri ma si ap ati te b Sushina Hill cerianite Pr Nd 115 Sm Eu Gd Tb Dy Ho Er...of cerianite-(Ce) from (a) Kerimasi, and (b) Sushina Hill. LREE patterns of unaltered Kerimasi apatite...patterns of an additional cerianite-(Ce) from Sushina Hill, India (Chakrabarty et al. 2013) show a clear positive...Pr4+ substitutes Zr4+ on the dodecahedral site (Hill et al. 2000; Trojan 1988). The existence of this...al. 2002; Chen et al. 2018; Del Nero et al. 2004; Hill et al. 2000; Ocaña et al. 1998, 1999). The commonly |  | Guarino, Vincenza, Gennaro, Roberto de', Melluso, Leone, Ruberti, Excelso, Azzone, RogĂ©rio G. (2019) The Transition from Miaskitic to Agpaitic Rocks, as Highlighted by the Accessory Phase Assemblages in the Passa Quatro Alkaline Complex (SouthEastern Brazil) The Canadian Mineralogist, 57 (3) 339-361 doi:10.3749/canmin.1800073 | Journal (article/letter/editorial) | | complex (Brotzu et al. 1992) is located about 150 km west of Rio de Janeiro (Fig. 1a), close to the larger...hastingsite in non-peralkaline varieties and rare arfvedsonite in peralkaline syenites. Amphibole is rich in...those of Monte de Trigo (Enrich et al. 2016), Sushina Hill (Chakrabarty et al. 2018), Gharyan (Lustrino...(Macdonald et al. 2007) and kupletskite from Sushina Hill (Chakrabarty et al. 2018) are plotted for comparison... 2012), Itatiaia (Melluso et al. 2017), and Sushina Hill (Chakrabarty et al. 2018). The reference compositions |  | Wu, Bin, Wang, Ru-Cheng, Yang, Jin-Hui, Wu, Fu-Yuan, Zhang, Wen-Lan, Gu, Xiang-Ping, Zhang, Ai-Cheng (2015) Wadeite (K 2 ZrSi 3 O 9 ), an alkali-zirconosilicate from the Saima agpaitic rocks in northeastern China: Its origin and response to multi-stage activities of alkaline fluids. Lithos, 224. 126-142 doi:10.1016/j.lithos.2015.02.008 | Journal (article/letter/editorial) | | identified by Prider (1939) in leucite lamproites of the west Kimberley, Australia. It is a hexagonal cyclosilicate...identical to that of the wadeite sample from Walgidee, West Australia (Fig. 7a). Peaks at ~ 990, 930, 560, and...by the formation of biotite rather than the arfvedsonite that forms in more common Na-rich agpaitic rock...how such K-enriched magmas formed in the Saima district. In recent decades, there has been broad agreement...et al., 2011; Markl et al., 2010). In the Saima district, Triassic back-arc extension induced by the NU |  | 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) | | sodalite foyaite and a poikilitic sodalite-arfvedsonite-eudialyte-nepheline syenite known locally as...âlujavriteâ. The lujavrite occurs in aegirine and arfvedsonite dominated varieties, of which the latter represents...modal mineralogy of alkali feldspar, nepheline, arfvedsonite and eudialyte with minor sodalite, aegirine...consists of a basal black layer dominated by arfvedsonite followed by a thin red layer rich in eudialyte...and an increase in the ratio of aegirine to arfvedsonite [16]. Layering is less pronounced and rhythmic |  | Gronen, Lars Hans, Sindern, Sven, Katzmarzyk, Janet Lucja, Bormann, Udo, Hellmann, AndrĂ©, Wotruba, Hermann, Meyer, F. Michael (2019) Mineralogical and Chemical Characterization of Zr-REE-Nb Ores from Khalzan Buregtei (Mongolia)âApproaches to More Efficient Extraction of Rare Metals from Alkaline Granitoids. Minerals, 9 (4) 217 doi:10.3390/min9040217 | Journal (article/letter/editorial) | | Resource Technology, GMIT Campus, 2nd khoroo, Nalaikh district, Ulaanbaatar, Mongolia Correspondence: Gronen@EMR...Setting The Khalzan Buregtei massif is situated in west Mongolia Altai mountains approximately 50 km north...with an elevation up to 1940 m bordering, to the west and east, two valleys filled with sediments and...70 vol. % in all samples. The mafic minerals arfvedsonite and aegirine are less abundant (<5 vol. %) and...containing 50 ”m to 400high ”m (Figure 3C). The arfvedsonite aegirine occur in the rocks quartz with aand |  | Wu, Bin, Wen, Han-Jie, Bonnetti, Christophe, Wang, Ru-Cheng, Yang, Jin-Hui, Wu, Fu-Yuan (2019) Rinkite-(Ce) in the nepheline syenite pegmatite from the Saima alkaline complex, northeastern China: Its occurrence, alteration, and implications for REE mineralization. The Canadian Mineralogist, 57 (6) 903-924 doi:10.3749/canmin.1900042 | Journal (article/letter/editorial) | | alkaline complex in Russia and the Sushina Hill complex in India; Chakrabarty et al. 2013, Konopleva...intrudes Cambrianâ Ordovician limestones in the west and is surrounded by Jurassic sandstones and Quaternary...Ntr ÂŒ natrolite. it typically coexists with arfvedsonite, aegirine, eudialyte, and other silicate minerals...hingganite-(Ce) in syenite gneisses from the Sushina Hill complex, India: Occurrence, compositional data and petrogenetic...2231â2258. 923 the Sushina peralkaline nepheline syenite gneiss, Paschim Banga, India. Lithos 152, 218â226 |  | MacDonald, Ray, BagiĆski, BogusĆaw, Kartashov, Pavel M., Zozulya, Dmitry, DzierĆŒanowski, Piotr (2015) Interaction Of Rare-Metal Minerals With Hydrothermal Fluids: Evidence From QuartzâEpidote Metasomatites Of The Haldzan Buragtag Massif, Mongolian Altai. The Canadian Mineralogist, 53 (6) 1015-1034 doi:10.3749/canmin.1400023 | Journal (article/letter/editorial) | | quartz (40%), alkali feldspar (50%), riebeckiteâarfvedsonite and aegirine (totaling 10 vol.% in the ratio...The aegirine formed later than the riebeckiteâ arfvedsonite, frequently overgrowing it. Eudialyte is a primary...epidote formed by the breakdown of feldspar, arfvedsonite, and aegirine in the pegmatite. The feldspar...ïŹnely granular epidote rims. The alteration of arfvedsonite and aegirine was reported by Andreev et al....comparison are data for cerite-(Ce) from the Norberg district, Bergslagen mining region, Sweden, which Holtstam |  | Borst, A.M., Waight, T.E., Finch, A.A., Storey, M., Roux, P.J. Le. (2019) Dating agpaitic rocks: A multi-system (U/Pb, Sm/Nd, Rb/Sr and 40Ar/39Ar) isotopic study of layered nepheline syenites from the IlĂmaussaq complex, Greenland. Lithos, 324. 74-88 doi:10.1016/j.lithos.2018.10.037 | Journal (article/letter/editorial) | | sodalite, alkali feldspar, Na-Fe-amphibole (arfvedsonite) and Na-Fe-pyroxene (aegirine). Although the... comprising a basal black layer enriched in arfvedsonite (c. 1 m), grading into a thin eudialyte-rich...MANUSCRIPT aluminosilicates and replacement of arfvedsonite by secondary aegirine and Fe-oxides (e.g. Karup-MĂžller...0. Unit 0 is distinguished by its striking, arfvedsonite-rich basal layer (c. 0.8 m), sharp SC lower...kakortokite) and nine mineral separates (eudialyte, arfvedsonite amphibole, perthitic alkali feldspar) were prepared |  | | Journal (article/letter/editorial) | | granite is porphyritic with euhedral to subhedral arfvedsonite phenocrysts (~0.5â0.8 cm) or nearly equigranular...equigranular with smaller (<0.4 cm) arfvedsonite crystals. The matrix consists of fine-grained (<0.2 cm) anhedral...(Na2ZrSi4O11) with poikilitic inclusions of feldspar and arfvedsonite. White to pinkish gagarinite-(Y) (NaCa(Y,Ce)F6)...crystals (>40 vol %). Rarely preserved euhedral arfvedsonite crystals (2â>3 cm in length) make up <10 vol...granites. A) Unaltered subsolvus granite with arfvedsonite phenocrysts and vlasovite (Na zirconosilicate) |  | | Journal (article/letter/editorial) | | (2006) On the origin of microrhythmic layering in arfvedsonite lujavrite from the IlıÌmaussaq alkaline complex...the agpaitic nepheline syenites of the Sushina Hill Complex, India: implications for the metamorphism of...gneiss from North Singhbhum Mobile Belt, eastern India. Mineralogy and Petrology 107, 517â538. 17 HASSAN |  | BagiĆski, BogusĆaw, Zozulya, Dmitry, MacDonald, Ray, Kartashov, Pavel M., DzierĆŒanowski, Piotr (2016) Low-temperature hydrothermal alteration of a rare-metal rich quartzâepidote metasomatite from the El'ozero deposit, Kola Peninsula, Russia. European Journal of Mineralogy, 28 (4) 789-810 doi:10.1127/ejm/2016/0028-2552 | Journal (article/letter/editorial) | | biotiteâmagnetite, aegirineâbiotiteâmagnetite and aegirineâarfvedsonite. The rare-metal mineralization related to this...veins; 2, mineralized granite veins; 3, aegirineâ arfvedsonite granite; 4, amphibolite and basic mineralized...hingganite-(Ce) in syenite gneisses from the Sushina Hill Complex, India: occurrence, f Acknowledgements: We |  | | Book | | the Per Geijer Apatite Iron Ores in the Kiruna District, Northern Sweden: A Comparative Study of Mineral...the Per Geijer Apatite Iron Ores in the Kiruna District, Northern Sweden: A Comparative Study of Mineral...Resource Technology, GMIT Campus, 2nd khoroo, Nalaikh district, Ulaanbaatar, Mongolia Correspondence: Gronen@EMR...Setting The Khalzan Buregtei massif is situated in west Mongolia Altai mountains approximately 50 km north...with an elevation up to 1940 m bordering, to the west and east, two valleys ïŹlled with sediments and debris |
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