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alkali feldspar rhyolite

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

definition Rhyolitoid in which the ratio of plagioclase to total feldspar is less than 0.1. QAPF field 2. more like this
example
alkali feldspar liparite more like this
peralkaline rhyolite more like this
source LeMaitre et al. 2002 more like this
type
Resource original
Concept original
broader
http://resource.geosciml.org/classifier/cgi/lithology/rhyolitoid original
narrower alkali_feldspar_rhyolite original
in scheme simplelithology original
is primary topic of alkali_feldspar_rhyolite