Simple Lithology

gabbroid

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

unstar this property definition Phaneritic crystalline igneous rock that contains less than 90 percent mafic minerals, and up to 20 percent quartz or up to 10 percent feldspathoid in the QAPF fraction. The ratio of plagioclase to total feldspar is greater than 0.65, and anorthite content of the plagioclase is greater than 50 percent. Includes rocks defined modally in QAPF fields 9 and 10 and their subdivisions. more like this
star this property narrower gabbroic rock
star this property broader gabbroid
monzogabbroic rock
star this property broader gabbroid
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 gabbroid
star this property in scheme simplelithology
star this property is primary topic of gabbroid& properties=definition