Usage examples for gabbro

  1. It may stop far below the surface and cool slowly, forming coarsely crystallized rocks of the granite and gabbro types. – The Economic Aspect of Geology by C. K. Leith
  2. The rock which prevails in this region consists mainly of gabbro which in the interior forms several isolated, black, plateau- formed hills, 100 to 150 metres high, between which an even, grassy, but treeless plain extends. – The Voyage of the Vega round Asia and Europe, Volume I and Volume II by A.E. Nordenskieold
  3. Five yards away, perhaps, a great mass of purple gabbro hung over a patch of nearly snowless moss. – Marriage by H. G. Wells
  4. The gneisses appear to be due in many cases to the crushing and shearing of deep- seated igneous rocks, such as granite and gabbro – The Elements of Geology by William Harmon Norton