Simple Lithology
foid syenite
http://resource.geosciml.org/classifier/cgi/lithology/foid_syenite
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definition | Foid syenitoid that has a plagioclase to total feldspar ratio of less than 0.1. Includes rocks defined modally in QAPF field 11. |  |
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source | LeMaitre et al. 2002 | |
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broader |
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in scheme | simplelithology | |||||
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is primary topic of | foid syenite& properties=prefLabel | |||||