Simple Lithology
phonolitic tephrite
http://resource.geosciml.org/classifier/cgi/lithology/phonolitic_tephrite
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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. |  |
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source | LeMaitre et al. 2002 | |
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in scheme | simplelithology | |||||
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is primary topic of | phonolitic tephrite& properties=definition,inScheme | |||||