 | | Journal (article/letter/editorial) | | ROGER GIBSON AND JORG METZ 249 The occurrence of cuspidine, foshagite and hillebrandite in calc-silicate...Buick Department of Earth Science, La Trobe University, Bundoora, Vic. 3086, Australia. Roger Gibson,... Department of Geology, University of the Witwatersrand, WITS 2050, Johannesburg, South Africa. Thomas...Metz, Department of Earth Science, La Trobe University, Bundoora, Vic. 3086, Australia. ABSTRACT The rare...rare calc-silicate minerals cuspidine, foshagite and hillebrandite occur as late phases in calcsilicate |  | | Journal (article/letter/editorial) | | 3749/canmin.48.4.809 ÅKERMANITE BREAKDOWN TO A CUSPIDINE-BEARING SYMPLECTITE IN A CALC-SILICATE XENOLITH...LABRADOR, CANADA Brent E. OWENS§ Department of Geology, College of William and Mary, Williamsburg, Virginia...occurrence of cuspidine as part of a complex symplectitic intergrowth formed from the breakdown of åkermanite...symplectite is dominated by aluminian diopside, cuspidine, and monticellite, but also contains a calcic...serpentine. Cuspidine approaches closely the ideal F-bearing composition. Average proportions of phases in |  | Casillas, Ramón, Nagy, Géza, Demény, Attila, Ahijado, Agustina, Fernández, Carlos (2008) Cuspidine–niocalite–baghdadite solid solutions in the metacarbonatites of the Basal Complex of Fuerteventura (Canary Islands) Lithos, 105 (1) 25-41 doi:10.1016/j.lithos.2008.02.003 | Journal (article/letter/editorial) | | s Cuspidine–niocalite–baghdadite solid solutions in the metacarbonatites of the Basal Complex of Fuerteventura...Available online 4 March 2008 Keywords: Niocalite Cuspidine Baghdadite Metacarbonatite Fuerteventura Canaries...Metamorphosed carbonatites, located in the Basal Complex of Fuerteventura, Canary Islands (Spain), contain unusual...with minor Zr contents cover the whole range of cuspidine–niocalite solid solution. Disilicate crystals...have Nb, too, and can be described as members of the cuspidine–niocalite–baghdadite ternary solid solution |  | Armbruster, T., Lazic, B., Galuskina, I. O., Galuskin, E. V., Gnos, E., Marzec, K. M., Gazeev, V. M. (2012) Trabzonite, Ca4[Si3O9(OH)]OH: crystal structure, revised formula, new occurrence and relation to killalaite. Mineralogical Magazine, 76 (3) 455-472 doi:10.1180/minmag.2012.076.3.02 | Journal (article/letter/editorial) | | Institute of Geological Sciences, University of Bern, Freiestr. 3, CH-3012 Bern, Switzerland Faculty of Earth...Sciences, Department of Geochemistry, Mineralogy and Petrography, University of Silesia, Be˛dzińska...Bobrzyńskiego 14, 30-348 Cracow, Poland Institute of Geology of Ore Deposits, Geochemistry, Mineralogy and Petrography...Editor: Andrew Christy] ABSTRACT The crystal structure of the rare skarn mineral trabzonite, Ca4[Si3O9(OH)]OH...which contains Si3O10 trimers embedded in a framework of CaO6 8 polyhedra, has orthorhombic symmetry, space |  | | Journal (article/letter/editorial) | | Crystal chemistry of Xonotlite. Part I 153 N. Jb. Miner. Abh. 2009, Vol. 186/2, p. 153–162, Stuttgart...2009 Crystal chemistry of Xonotlite Ca6Si6O17(OH)2. Part I: Determination of polytypes using X-Ray Powder...figures and 5 tables Abstract: The crystal chemistry of xonotlite is mainly controlled by its four different...show constant compositions with minor substitutions of Mn and Al. To determine the 4 ordered polytypes known...patterns were calculated based on atom coordinates of Hejny & Armbruster (2001). For each polytype characteristic |  | Buse, Ben, Schumacher, John C., Sparks, R. Stephen J., Field, Matthew (2010) Growth of bultfonteinite and hydrogarnet in metasomatized basalt xenoliths in the B/K9 kimberlite, Damtshaa, Botswana: insights into hydrothermal metamorphism in kimberlite pipes. Contributions to Mineralogy and Petrology, 160 (4) 533-550 doi:10.1007/s00410-010-0492-4 | Journal (article/letter/editorial) | | 10.1007/s00410-010-0492-4 ORIGINAL PAPER Growth of bultfonteinite and hydrogarnet in metasomatized basalt...volcaniclastic kimberlite of the B/K9 pipe, Damtshaa, Botswana, constrain conditions of kimberlite alteration...augite-plagioclase assemblage, driven by the serpentinisation of the kimberlite creating strong chemical potential...hydrogarnet are estimated to form at temperatures of ca. 350–250°C, which are similar to those for serpentinisation...efficiency of mass transfer and chemical reactions below the critical point of water and a consequence of volume-increasing |  | Abersteiner, Adam, Kamenetsky, Vadim S., Kamenetsky, Maya, Goemann, Karsten, Ehrig, Kathy, Rodemann, Thomas (2018) Significance of halogens (F, Cl) in kimberlite melts: Insights from mineralogy and melt inclusions in the Roger pipe (Ekati, Canada) Chemical Geology, 478. 148-163 doi:10.1016/j.chemgeo.2017.06.008 | Journal (article/letter/editorial) | | Accepted Manuscript Significance of halogens (F, Cl) in kimberlite melts: Insights from mineralogy and...Goemann, Kathy Ehrig, Thomas Rodemann , Significance of halogens (F, Cl) in kimberlite melts: Insights from...10.1016/j.chemgeo.2017.06.008 This is a PDF file of an unedited manuscript that has been accepted for...version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting...journal pertain. ACCEPTED MANUSCRIPT Significance of halogens (F, Cl) in kimberlite melts: Insights from |
|
