Simple Lithology

acidic igneous material

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

definition Igneous material with more than 63 percent SiO2. more like this
source after LeMaitre et al. 2002 more like this
type
Resource
Concept
broader igneous material
narrower acidic igneous material
in scheme simplelithology
is primary topic of acidic igneous material
narrower acidic igneous rock
broader acidic igneous material