Simple Lithology

exotic composition igneous rock

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

definition Rock with 'exotic' mineralogical, textural or field setting characteristics; typically dark colored, with abundant phenocrysts. Criteria include: presence of greater than 10 percent melilite or leucite, or presence of kalsilite, or greater than 50 percent carbonate minerals. Includes Carbonatite, Melilitic rock, Kalsilitic rocks, Kimberlite, Lamproite, Leucitic rock and Lamprophyres. more like this
narrower carbonatite
broader exotic composition igneous rock
exotic alkaline rock
broader exotic composition igneous rock
kalsilitic and melilitic rock
broader exotic composition igneous rock
source Gillespie and Styles 1999; LeMaitre et al. 2002 more like this
type
Resource
Concept
broader igneous rock
narrower exotic composition igneous rock
in scheme simplelithology
is primary topic of exotic composition igneous rock