 | | Journal (article/letter/editorial) | | SREBRODOLSKITE-BEARING SKARN ASSEMBLAGE, WEST CLEARWATER LAKE IMPACT CRATER, NORTHERN QUEBEC Daniel F. ROSA§...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...after the peak of metamorphism. Portlandite and brucite formed during the late hydration of the assemblage |  | 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...gypsum, anhydrite, fluorellestadite, periclase, brucite, and portlandite. Accessory minerals include magnesioferrite...or gray rocks with dominant gypsum, anhydrite, brucite, portlandite, and ellestadite were sparsely present...inhomogeneous aggregates of gypsum (ca. 90 vol.%) and brucite (<10 vol.%), with rare relics of periclase and...both also enclosing periclase, were found in the brucite-anhydrite-gypsum matrix (Fig. 3c). Magnesioferrite |
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