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PREFERRED TERM
phyllonite
TYPE
  • http://purl.org/net/provenance/ns#DataItem

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.

DESCRIPTION
  • 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.

IDENTIFIER
  • phyllonite

TITLE
  • phyllonite

URI
http://inspire.ec.europa.eu/codelist/LithologyValue/phyllonite
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