 | | Journal (article/letter/editorial) | | SPURRITE-, MERWINITE- AND SREBRODOLSKITE-BEARING SKARN ASSEMBLAGE, WEST CLEARWATER LAKE IMPACT CRATER, NORTHERN...2A7, Canada Abstract The meteorite impact that created the 32-km-wide Late Carboniferous West Clearwater...Hudson Bay arc, northern Quebec, formed a sheet of impact melt now exposed on a central ring of islands....periclase marble when the blocs landed in the sheet of impact-generated melt. The silica content of the marble...assemblage of unusual nesosilicates such as spurrite, merwinite, and monticellite. Aluminian srebrodolskite, Ca2(Fe3+ |  | Biren, M.B., van Soest, M.C., Wartho, J.-A., Hodges, K.V., Spray, J.G. (2016) Diachroneity of the Clearwater West and Clearwater East impact structures indicated by the (U–Th)/He dating method. Earth and Planetary Science Letters, 453. 56-66 doi:10.1016/j.epsl.2016.07.053 | Journal (article/letter/editorial) | | com/locate/epsl Diachroneity of the Clearwater West and Clearwater East impact structures indicated by the (U–Th)/He...Bailey Drive, Fredericton, New Brunswick E3B 5A3, Canada a r t i c l e i n f o Article history: Received...2016 Editor: A. Yin Keywords: thermochronology impact cratering helium diffusion shock metamorphism ...formation ages of the Clearwater West and East impact structures of Quebec, Canada. Zircons were separated...separated from impact melt samples derived from a surface exposure at Clearwater West (32 km diameter), and |  | | Journal (article/letter/editorial) | | of the high-temperature region of the spurrite-merwinite facies. © 2008, IGM, Siberian Branch of the RAS...found in impact metacarbonate rocks formed as a result of the meteorite fall in Québec, Canada (Rosa, 2004)...a high-temperature subfacies of the spurrite-merwinite facies (Chesnokov, 1997, 1999; Reverdatto, 1970;...rocks of typical contact aureoles of the spurrite-merwinite facies (Reverdatto, 1970). At the same time, it...1977, 1984; Sokol et al., 2005). These spurrite-merwinite complexes, produced by the intense burning of |  | Daly, R. Terik, Schultz, Peter H., Lassiter, John C., Loewy, Staci W., Thompson, Lucy M., Spray, John G. (2018) Contrasting meteoritic signatures within the Clearwater East and Clearwater West impact structures: The view from osmium isotopes. Geochimica et Cosmochimica Acta, 235. 262-284 doi:10.1016/j.gca.2018.06.002 | Journal (article/letter/editorial) | | meteoritic signatures within the Clearwater East and Clearwater West impact structures: The view from osmium...meteoritic signatures within the Clearwater East and Clearwater West impact structures: The view from osmium...meteoritic signatures within the Clearwater East and Clearwater West impact 2 structures: The view from...Brunswick, Fredericton, 11 12 New Brunswick, E3B 5A3, Canada 13 *Corresponding author currently at the Johns...method to impact melt and country rocks from the 18 Clearwater East and Clearwater West craters located |  | Schmieder, Martin, Schwarz, Winfried H., Trieloff, Mario, Tohver, Eric, Buchner, Elmar, Hopp, Jens, Osinski, Gordon R. (2015) New 40Ar/39Ar dating of the Clearwater Lake impact structures (Québec, Canada) – Not the binary asteroid impact it seems?. Geochimica et Cosmochimica Acta, 148. 304-324 doi:10.1016/j.gca.2014.09.037 | Journal (article/letter/editorial) | | dating of the Clearwater Lake impact structures (Québec, Canada) – Not the binary asteroid impact it seems...University of Western Ontario, London, ON N6A 5B7, Canada g Department of Physics and Astronomy, University...University of Western Ontario, London, ON N6A 5B7, Canada b Received 27 April 2014; accepted in revised form...The two Clearwater Lake impact structures (Québec, Canada) are generally interpreted as a crater doublet...doublet formed by the impact of a binary asteroid. Here, arguments are presented that raise important questions |  | Hamann, Christopher, Bläsing, Saskia, Hecht, Lutz, Schäffer, Sebastian, Deutsch, Alex, Osterholz, Jens, Lexow, Bernd (2018) The reaction of carbonates in contact with laser-generated, superheated silicate melts: Constraining impact metamorphism of carbonate-bearing target rocks. Meteoritics & Planetary Science, 53 (8) 1644-1686 doi:10.1111/maps.13133 | Journal (article/letter/editorial) | | laser-generated, superheated silicate melts: Constraining impact metamorphism of carbonate-bearing target rocks...entrainment of carbonates (calcite, dolomite) in silicate impact melts by 1-bar laser melting of silicate–carbonate...textural and compositional features of typical impact melts originating from silicate–carbonate targets...residual oxides into silicate impact melts are prevailing processes during impact melting of mixed silicate–carbonate...calcite and quartz, we envisage that carbonate impact melts are readily produced during adiabatic decompression |  | Hrselova, P., Cempirek, J., Houzar, S., Sejkora, J. (2013) S,F,Cl-rich Mineral Assemblages from Burned Spoil Heaps in the Rosice-Oslavany Coalfield, Czech Republic. The Canadian Mineralogist, 51 (1) 171-188 doi:10.3749/canmin.51.1.171 | Journal (article/letter/editorial) | | Stores Road, Vancouver, British Columbia V6T 1Z4, Canada Stanislav HOUZAR Department of Mineralogy and...with periclase, larnite, spurrite, tilleyite, merwinite, gehlenite, and melilite (Reverdatto 1970, Grapes...limestone xenoliths in melts of the impact structure at Clearwater Lake (Canada) were estimated to Tmin = 815...be found in sanidine-facies skarns (spurrite-merwinite subfacies). With regard to the studied rocks and...Fernándéz-Turiel, J.L., & López-Soler, A. (1991) Environmental impact of mineral transformation undergone during coal |  | | Book | | zone between plates of oceanic lithosphere to the west and east, are not to be viewed as the products of...collected at 102CLC from the 1965 Makaopuhi lava lake, Hawaii. Dark globules are high-Fe glass, embedded...belt (Archean), south of Rouyn, Noranda, Quebec, Canada. Bar = 1 cm. Sample courtesy C. Brooks. the composition...Rouyn-Noranda (Abitibi metavolcanic belt, Quebec, Canada) that contain large numbers of spheroidal masses...alkaline complex, British Columbia, Geol. Survey of Canada Bull., 245, 59-65, 1975. De, Aniruddna, Silicate |
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