Sentence Examples


  • Serpentine appears later, and diorite towards the close of the prehistoric ages.
  • The lodes occur in Silurian metamorphic micaceous schists, intruded by granite, porphyry and diorite, and traversed by numerous quartz reefs, some of which are gold-bearing.
  • With the J urassic beds is associated an extensive series of eruptive rocks (gabbro, peridotite, serpentine, diorite, granite, &c.); they are chiefly of Jurassic age, but the eruptions may have continued into the Lower Cretaceous.
  • Magnetite is a mineral of wide distribution, occurring as grains in many massive and volcanic rocks, like granite, diorite and dolerite.
  • A diorite statuette, referable by its style and inscription to Dynasty XIII., was discovered in deposit of Period II.
 

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