Simple Lithology

foid dioritoid

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

unstar this property definition Phaneritic crystalline igneous rock in which M is less than 90, the plagioclase to total feldspar ratio is greater than 0.5, feldspathoid minerals form 10-60 percent of the QAPF fraction, plagioclase has anorthite content less than 50 percent. These rocks typically contain large amounts of mafic minerals. Includes rocks defined modally in QAPF fields 13 and 14. more like this
star this property narrower foid diorite
star this property broader foid dioritoid
foid monzodiorite
star this property broader foid dioritoid
star this property source LeMaitre et al. 2002 more like this
star this property type
Resource
Concept
star this property broader phaneritic igneous rock
star this property narrower foid dioritoid
star this property in scheme simplelithology
star this property is primary topic of foid dioritoid& properties=definition