SISSVoc Default

foid syenitoid

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

definition Phaneritic crystalline igneous rock with M less than 90, contains between 10 and 60 percent feldspathoid mineral in the QAPF fraction, and has a plagioclase to total feldspar ratio less than 0.5. Includes QAPF fields 11 and 12. more like this
narrower
http://resource.geosciml.org/classifier/cgi/lithology/foid_monzosyenite original
broader foid_syenitoid original
http://resource.geosciml.org/classifier/cgi/lithology/foid_syenite original
broader foid_syenitoid original
source LeMaitre et al. 2002 more like this
type
Resource original
Concept original
broader
http://resource.geosciml.org/classifier/cgi/lithology/phaneritic_igneous_rock original
narrower foid_syenitoid original
in scheme simplelithology original
is primary topic of foid_syenitoid