| and Cr6+-bearing precursor minerals from the Nabi Musa Mottled Zone complex, Judean Desert Ella V. Sokol...This extremely rare mineral was found at the Nabi Musa locality (Judean Desert, Israel), in a peculiar...thermodynamic modeling, and mineralogical analyses of the Nabi Musa rocks (XRPD, EMPA, SEM, FTIR, and optical microscopy)...Zone sequence is abundant Cr3+ (bentorite and volkonskoite) and Cr6+ mineralization (Cr6+-bearing ettringite...consequence of the highway construction across Nabi Musa hill in 2006, the buried veins filled by Cr6+-substituted |
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Geller, Y.I., Burg, A., Halicz, L., Kolodny, Y. (2012) System closure during the combustion metamorphic “Mottled Zone” event, Israel. Chemical Geology, 334. 25-36 doi:10.1016/j.chemgeo.2012.09.029 |
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| NaCa2Al5Si5O20·6H2O Tobermorite Ca5Si6(O,OH)18·5H2O Volkonskoite Ca0.3(Cr3+,Mg,Fe3+)2 (Si,Al)4O10(OH)2⋅4H2O Wollastonite...well as by striking green veins of calcite and volkonskoite (Cr — montmorillonite) and rarely by purple...Formation rocks, (Sokol et al., 2010 from the Nabi Musa area) and in larnite and calcite–spurrite rocks...Magazine 75, 2549–2561. Shaw, S.H., 1947. Southern Palestine, geological map on a scale of 1:250,000 with explanatory...Kozmenko, O., 2010. Combustion metamorphism in the Nabi Musa dome: new implications for a mud volcanic origin |
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Khoury, H. N. (2015) Uranium minerals of central Jordan. Applied Earth Science, 124 (2) 104-128 doi:10.1179/1743275815y.0000000005 |
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| with unique green smectites (Cr-rich smectite/volkonskoite) are hosted in altered varicoloured marble,...and the highlands overlooking the Dead Sea to the West (Fig. 1). Department of Geology, The University...along the Jordan Rift, which is located *60km to the West of the Daba – Siwaqa area (Bender 1968; Powell 1989;...uranium encrustations and green Cr-rich smectite (volkonskoite) first reported by Khoury et al. (1984b). Uranium...secondary Uranium Encrustations (Tulul Al Hammam) Volkonskoite along weakness zones Downloaded by [McMaster |
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Seryotkin, Yurii V., Sokol, Ella V., Kokh, Svetlana N., Murashko, Mikhail N. (2018) Natural Cr3+-rich ettringite: occurrence, properties, and crystal structure. Physics and Chemistry of Minerals, 45 (3) 279-292 doi:10.1007/s00269-017-0917-y |
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| found for the first time along with abundant volkonskoite, chromium oxide hydrate, and Cr-bearing opaque...sampled in a road excavation along the Jerusalem–Jericho highway in Ma’aleh Adumim, one of the Mottled Zone...Bentorite. A new mineral from the Hatrurim area, west of the Dead Sea, Israel. Isr J Earth Sci 29:81–84...Mackenzie R, Russell J, Tait J (1984) An iron-free volkonskoite. Clay Miner 19:43–57 Khoury HN, Sokol EV, Kokh...and C r 6+-bearing precursor minerals from the Nabi Musa Mottled Zone complex, Judean Desert. Am Mineral |
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Kolodny, Yehoshua, Burg, Avihu, Geller, Yona I., Halicz, Ludwik, Zakon, Yevgeni (2014) Veins in the combusted metamorphic rocks, Israel; Weathering or a retrograde event?. Chemical Geology, 385. 140-155 doi:10.1016/j.chemgeo.2014.07.006 |
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| Ettringite Bentorite Thaumasite Portlandite Volkonskoite Aragonite Vaterite Analcime Apophyllite Ca5Si6(O...CASH, as well as by striking green veins of volkonskoite (Cr-montmorillonite) and purple veins of bentorite...related to the smectite and ettringite groups: volkonskoite, ettringite, bentorite and thaumasite (Table...is reflected by bentorite (Cr-ettringite) and volkonskoite (Cr-smectite) lining of the vein walls, whereas...The cloudiness at the veins margin is probably volkonskoite. Crossed Nicols X4. (b) Two semi-parallel gypsum |
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Khoury, Hani Nicola, Sokol, Ella V., Clark, Ian D. (2015) CALCIUM URANIUM OXIDE MINERALS FROM CENTRAL JORDAN: ASSEMBLAGES, CHEMISTRY, AND ALTERATION PRODUCTS. The Canadian Mineralogist, 53 (1) 61-82 doi:10.3749/canmin.1400071 |
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| of uranium micas and green Cr-rich smectite–volkonskoite [Ca0.3(Cr,Mg, Fe)2((Si,Al)4O10)(OH)2•4H2O] (Khoury...mineralization (Figs. 2b, c). Uranium micas, volkonskoite, and ettringite occur either as encrustations...RUSSELL, J., & TAIT, J. (1984) An iron-free volkonskoite. Clay Minerals 19, 43–57. KHOURY, H.N., SALAMEH...KOZMENKO, O. (2010) Combustion metamorphism in the Nabi Musa dome: new implications for a mud volcanic origin |
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Dill, H.G. (2020) A geological and mineralogical review of clay mineral deposits and phyllosilicate ore guides in Central Europe – A function of geodynamics and climate change. Ore Geology Reviews, 119. 103304 doi:10.1016/j.oregeorev.2019.103304 |
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| Saxothuringian Zone extends towards the East into the West Sudetes and its western prolongation the Fichtelgebirge-Erzgebirge...an elongated basin extending from Belgium, in the West, through the Ruhr District, Germany, to the Upper...Cr into their lattice as it is the case with volkonskoite [Ca0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2 · 4H2O]...which is shaped like a horseshoe open towards the West (Fig. 5). The marly claystones and clayish marlstones...et al. 2012a). It is the Cr-bearing smectite volkonskoite and the chromium mica which stand out from the |
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(2010) 20th General Meeting of the International Mineralogical Association 21–27 August, 2010 Budapest, Hungary. Acta Mineralogica-Petrographica, Abstract Series Vol. 6. University of Szeged |
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| that locates at Himeji Castle, Hyogo Prefecture, west of central Japan [2] (Fig. 1). The pond in the garden...phreatomagmatic, maar-forming rift-edge eruption in west Ambrym. It appears that the eruption was initiated...zeolites from Bakony–Balaton Highland Volcanic Field (West Hungary) Kónya, P.1* & Szakáll, S.2 Geological Inst...Hungary Calcined kaolin West Bohemia, modified Fe2+/Fe3+ 4.1/27.2 CR (pit) Bentonite West Bohemia, natural 14...(pit) modified Fe2+/Fe3+ 17.8/28.6 Kaolinite clay West Bohemia, natural 8.9 CR (clay deposit) The detailed |
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