SISSVoc Default

dioritic rock

http://resource.geosciml.org/classifier/cgi/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
http://resource.geosciml.org/classifier/cgi/lithology/diorite original
broader dioritic_rock original
http://resource.geosciml.org/classifier/cgi/lithology/foid_bearing_diorite original
broader dioritic_rock original
http://resource.geosciml.org/classifier/cgi/lithology/quartz_diorite original
broader dioritic_rock original
source LeMaitre et al. 2002 more like this
type
Resource original
Concept original
broader
http://resource.geosciml.org/classifier/cgi/lithology/dioritoid original
narrower dioritic_rock original
in scheme simplelithology original
is primary topic of dioritic_rock