Simple Lithology

phonolitic tephrite

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

definition Tephritoid that has a plagioclase to total feldspar ratio between 0.5 and 0.9, and contains less than 10 percent normative (CIPW) olivine. more like this
source LeMaitre et al. 2002 more like this
type
Resource
Concept
broader tephritoid
narrower phonolitic tephrite
in scheme simplelithology
is primary topic of phonolitic tephrite