Home >  Term: quartz diorite
quartz diorite

A group of plutonic rocks having the composition of diorite but with an appreciable amount of quartz, i.e., between 5% and 20% of the light-colored constituents; also, any rock in that group; the approximate intrusive equivalent of dacite.

0 0

Creator

  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 points
  • 100% positive feedback
© 2024 CSOFT International, Ltd.