Simple Lithology

phyllonite

http://resource.geosciml.org/classifier/cgi/lithology/phyllonite

unstar this property definition Mylonitic rock composed largely of fine-grained mica that imparts a sheen to foliation surfaces; may have flaser lamination, isoclinal folding, and deformed veins, which indicate significant shearing. Macroscopically resembles phyllite, but formed by mechanical degradation of initially coarser rock. more like this
star this property source NADM metamorphic rock vocabulary SLTTm1.0; Marshak and Mitra 1988 more like this
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Resource
Concept
star this property broader mylonitic rock
star this property narrower phyllonite
star this property in scheme simplelithology
star this property is primary topic of phyllonite& properties=definition