Simple Lithology

dioritic rock

definition Phaneritic crystalline rock with M less than 90, consisting of intermediate plagioclase, commonly with hornblende and often with biotite or augite. A dioritoid with a plagioclase to total feldspar ratio (in the QAPF fraction) greater than 0.9. Includes rocks defined modally in QAPF fields 10, 10' and 10*. more like this
narrower diorite
broader dioritic rock
foid bearing diorite
broader dioritic rock
quartz diorite
broader dioritic rock
source LeMaitre et al. 2002 more like this
broader dioritoid
narrower dioritic rock
in scheme simplelithology
is primary topic of dioritic rock