Simple Lithology
foid bearing trachyte
http://resource.geosciml.org/classifier/cgi/lithology/foid_bearing_trachyte
| definition | Trachytic rock that contains between 0 and 10 percent feldspathoid in the QAPF fraction, and no quartz. QAPF field 7'. |  |
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| source | LeMaitre et al. 2002 | |
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| in scheme | simplelithology | |||||
| is primary topic of | foid bearing trachyte | |||||