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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 original
Concept original
broader
http://resource.geosciml.org/classifier/cgi/lithology/tephritoid original
narrower phonolitic_tephrite original
in scheme simplelithology original
is primary topic of phonolitic_tephrite