SISSVoc Default

diorite

http://resource.geosciml.org/classifier/cgi/lithology/diorite

definition Phaneritic crystalline rock consisting of intermediate plagioclase, commonly with hornblende and often with biotite or augite; colour index M less than 90, sodic plagioclase (An0-An50), no feldspathoid, and between 0 and 5 percent quartz. Includes rocks defined modally in QAPF field 10 as diorite. more like this
source LeMaitre et al. 2002 more like this
type
Resource original
Concept original
broader
http://resource.geosciml.org/classifier/cgi/lithology/dioritic_rock original
narrower diorite original
in scheme simplelithology original
is primary topic of diorite