Simple Lithology

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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.

example

alkali feldspar liparite
peralkaline rhyolite

source

LeMaitre et al. 2002

type

Resource
Concept

broader

rhyolitoid

narrower	alkali feldspar rhyolite

in scheme

simplelithology

is primary topic of

alkali feldspar rhyolite