Sentence Examples


  • They are at a depth of about 12 ft., in slaty shale containing Llandeilo fossils and contemporaneous felspathic ash and scoriae.
  • Many of them have been originally micaceous or felspathic sandstones.
  • These are separable into a lower group (Kundelungu) of red felspathic grits and into an upper group (Lubilasch) of white friable sandstones.
  • The basin in which these sandstones were laid down is limited on the east by ancient gneisses and schists overlain by the highly inclined red felspathic grits.
  • Hornblende schists also occur and a compact felspathic rock in the Suris defile.

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