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1 toradh

  1. SCIENCE|natural and applied sciences|earth sciences|geology

    #677690

    IATE #1118637
    fillít Tagairt Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    phyllite | clay schist
    en
    Sainmhíniú fine-grained metamorphic rock formed by the reconstitution of fine-grained, parent sedimentary rocks, such as mudstones or shales Tagairt "Britannica, The Editors of Encyclopaedia. ""phyllite"" (22.11.2022). Encyclopedia Britannica, 16 Jan. 2009"
    Nóta "Phyllite is a metamorphic rock form intermediate between 'slate' and 'schist'. It consists of platy minerals that are larger than those in slate, but still too small to be clearly discernable to the naked eye. Similar in appearance to slate, it is distinguished from slate by a glossy sheen compared to the dull appearance of slate. It usually exhibits cleavage, but not with the regularity of slate. Its composition is mainly very fine crystals of muscovite or chlorite."