Sentence Examples


  • Along Hudson Bay shore there is a strip of similar rocks, and a long row of small islands of the same age, with great sheets of trap or diabase forming the tops of the hills.
  • All the volcanic rocks of these islands are submarine stratified tuffs which are penetrated here and there by andesite or diabase dikes.
  • In the western portion of Mainland, in Northmavine, -there is a considerable tract of rocks of this age which are formed largely of intrusive diabase-porphyrite; similar volcanic rocks occur in Papa Stour.
  • Sheets of diabase, apparently volcanic flows, and numerous dykes interfere with the regularity of the stratification.
  • This consists largely of rocks of igneous origin, of which the amygdaloidal diabase of Klipriversberg forms the type.
 

How would you define diabase? Add your definition here.

comments powered by Disqus