石英闪长岩(英语:Quartz diorite)是一种长英质深成岩,具有显晶石质结构。长石奥长石或中长石为主,其中含钾的长石少于 10% 。石英的含量在 5% 到 20% 之间。深色的副矿物通常为黑云母角闪石辉石 [1]

石英闪长岩, 标本地点:斯洛伐克,Low Tatras,Nízke Tatry Mountain

参考文献

编辑
  1. ^ Williams, Howel; Turner, Francis J; Gilbert, Charles M (1954). Petrography; an introduction to the study of rocks in thin sections, by Howel Williams, Francis J. Turner, and Charles M. Gilbert. San Francisco: W.H. Freeman. OCLC 976619418.