Simple Lithology
quartz alkali feldspar trachyte
http://resource.geosciml.org/classifier/cgi/lithology/quartz_alkali_feldspar_trachyte
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definition | Alkali feldspar trachytic rock that contains and between 5 and 20 percent quartz mineral in the QAPF fraction. QAPF field 6*. |  |
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source | LeMaitre et al. 2002 | |
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in scheme | simplelithology | |||||
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is primary topic of | quartz alkali feldspar trachyte& properties=prefLabel | |||||