 | | Journal (article/letter/editorial) | | – CLINOPYROXENE ROCK FROM THE AFRIKANDA COMPLEX, KOLA PENINSULA, RUSSIA: MINERALOGY AND A POSSIBLE LINK...University, 7/9 University Emb., St. Petersburg 199034, Russia ABSTRACT A calcite – amphibole – clinopyroxene...cumulate ultramafic series of the Afrikanda complex, Kola Peninsula, Russia. The rock is composed of major...number of minerals described in this study [e.g., gittinsite, cerite-(Ce) and calcium catapleiite] are either...silicates, zeolites, carbonatite, Afrikanda, Kola Peninsula, Russia. SOMMAIRE Une roche à calcite – amphibole |  | Potter, N. J., Kamenetsky, V. S., Chakhmouradian, A. R., Kamenetsky, M. B., Goemann, K., Rodemann, T. (2020) Polymineralic inclusions in oxide minerals of the Afrikanda alkaline-ultramafic complex: Implications for the evolution of perovskite mineralisation. Contributions to Mineralogy and Petrology, 175 (3) doi:10.1007/s00410-020-1654-7 | Journal (article/letter/editorial) | | inclusions in oxide minerals of the Afrikanda alkaline‑ultramafic complex: Implications for the evolution...perovskite in the alkaline-ultramafic Afrikanda complex (Kola Peninsula, Russia) led to the study of polymineralic...· Polymineralic · Sintering · Ore deposits · Afrikanda Introduction Oxide deposits are important sources...Experimental Mineralogy RAS, Chernogolovka 142432, Russia 3 Department of Geological Sciences, University...southeastern Brazil (Brod 1999), and Afrikanda in northwestern Russia (Afanasyev 2011), have been the focus |  | Borst, A. M., Friis, H., Andersen, T., Nielsen, T. F. D., Waight, T. E., Smit, M. A. (2016) Zirconosilicates in the kakortokites of the IlÃmaussaq 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) | | Zirconosilicates in the kakortokites of the IlÃmaussaq complex, South Greenland: Implications for fluid evolution...nepheline syenites (kakortokites) of the IlÃmaussaq complex, South Greenland, host voluminous accumulations...accumulations of eudialyte-group minerals (EGM). These complex Na-Ca-zirconosilicates contain economically attractive...secondary zirconosilicates catapleiite, zircon and gittinsite. Theoretical petrogenetic grid models are constructed...EGM and catapleiite to the rare Ca-Zr silicate gittinsite, previously unidentified at IlÃmaussaq, requires |  | | Journal (article/letter/editorial) | | (Al-, Fe-, Nb-, and Zr-rich) titanite from Afrikanda, Russia ANTON R. CHAKHMOURADIAN* Department of Geological...silicocarbonatite from the Afrikanda alkaline-ultramafic complex, Kola Peninsula, Russia. In addition to large...and garnets). The microcrysts commonly exhibit complex zoning patterns that represent a combination of...of silicocarbonatite at Afrikanda in the Kola Peninsula, northwestern Russia. Some of these varieties...of the occurrence and crystal chemistry of the Afrikanda titanite is provided below. Because the Zr-rich |  | | Journal (article/letter/editorial) | | cymrite, apatite, barite, Ba-Sr- bearing calcite, gittinsite, witherite, strontianite, and hydrogrossular...feldspar and/or barite. Subhedral-to-euhedral gittinsite and its Sr-analog are reported for the first...and serpentine together with accessory cymrite, gittinsite, witherite, and strontianite (Fig. 2a, b, c,...image). c Euhedral gittinsite (dark grey) and the strontium analog of gittinsite (light grey) in groundmass...(Gurmeet Kaur et al. 2013). Gittinsite and strontium zirconium silicate Gittinsite (CaZrSi2O7), and a strontium |  | Wu, Fu-Yuan, Yang, Yue-Heng, Mitchell, Roger H., Bellatreccia, Fabio, Li, Qiu-Li, Zhao, Zi-Fu (2010) In situ U–Pb and Nd–Hf–(Sr) isotopic investigations of zirconolite and calzirtite. Chemical Geology, 277 (1) 178-195 doi:10.1016/j.chemgeo.2010.08.007 | Journal (article/letter/editorial) | | Prairie Lake (Canada), Afrikanda and Kovdor (Kola, Russia), Guli (Siberia, Russia) and Jacupiranga (Brazil)...zirconium-bearing minerals include: eudialyte; catapleiite; gittinsite; sabinaite; weloganite; tazheranite; zirconolite/zirkelite;...peralkaline nepheline syenite, whereas catapleiite, gittinsite, sabinaite, weloganite and many other zirconiumbearing...calzirtite NW-1; (e) Afrikanda calzirtite Afrk-1 and zirconolite; (f) Afrikanda zirconolite Afrk-2; (g)... apatite and magnetite. Baddeleyite from this complex has been widely used as standards for U–Pb and |  | Kynicky, J., Chakhmouradian, A. R., Xu, C., Krmicek, L., Galiova, M. (2011) DISTRIBUTION AND EVOLUTION OF ZIRCONIUM MINERALIZATION IN PERALKALINE GRANITES AND ASSOCIATED PEGMATITES OF THE KHAN BOGD COMPLEX, SOUTHERN MONGOLIA. The Canadian Mineralogist, 49 (4) 947-965 doi:10.3749/canmin.49.4.947 | Journal (article/letter/editorial) | | GRANITES AND ASSOCIATED PEGMATITES OF THE KHAN BOGD COMPLEX, SOUTHERN MONGOLIA Jindrich KYNICKY§ Department...Republic Abstract The western part of the Khan Bogd complex, in the south Gobi desert, southern Mongolia, comprises...aplite–pegmatite bodies are texturally and compositionally complex products of Zr enrichment during the differentiation...armstrongite, and then precipitation of minor gittinsite and abundant zircon. With the exception of zircon...pegmatite, Zr mineralization, elpidite, armstrongite, gittinsite, zircon, Khan Bogd, Gobi desert, Mongolia. § |  | Shaikh, Azhar M., Patel, S.C., Ravi, S., Behera, D., Pruseth, K.L. (2017) Mineralogy of the TK1 and TK4 ‘kimberlites’ in the Timmasamudram cluster, Wajrakarur Kimberlite Field, India: Implications for lamproite magmatism in a field of kimberlites and ultramafic lamprophyres. Chemical Geology, 455. 208-230 doi:10.1016/j.chemgeo.2016.10.030 | Journal (article/letter/editorial) | | and spinel, titanite, chlorite, calcite and gittinsite in TK4. K-richterite and perovskite occur only...phlogopite, spinel and fluorapatite in TK4 indicate a complex evolutionary AC CE history of the magma. Close...et al., 2007). Since these rocks are generally complex and hybrid in nature with varying amounts of crustal...ite (TTG) gneisses of the Peninsular Gneissic Complex, Proterozoic platformal sedimentary basins, and...the east by the Krishna Province, which shows a complex tectonothermal NU evolution during the Palaeo- |
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