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star this property definition A gneiss with mineralogy and texture indicating derivation from a phaneritic igneous rock protolith. Typically consists of abundant feldspar, with quartz, and variable hornblende, biotite, and muscovite, with a relatively homogeneous character. more like this
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Resource original
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star this property broader original
star this property narrower orthogneiss original
unstar this property in scheme simplelithology original
star this property is primary topic of orthogneiss&_properties=inScheme