http://resource.geosciml.org/classifier/cgi/lithology/alkali_feldspar_granite
broader |
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definition | Granitic rock that has a plagioclase to total feldspar ratio less than 0.1. QAPF field 2. | ||||||
example |
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source | LeMaitre et al. 2002 | ||||||
type |
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in scheme | simplelithology original |