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PREFERRED TERM
high magnesium fine grained igneous rock  
TYPE
  • http://purl.org/net/provenance/ns#DataItem

DEFINITION
  • fine-grained igneous rock that contains unusually high concentration of MgO. For rocks that contain greater than 52 percent silica, MgO must be greater than 8 percent. For rocks containing less than 52 percent silica, MgO must be greater than 12 percent.
DESCRIPTION
  • fine-grained igneous rock that contains unusually high concentration of MgO. For rocks that contain greater than 52 percent silica, MgO must be greater than 8 percent. For rocks containing less than 52 percent silica, MgO must be greater than 12 percent.
IDENTIFIER
  • highMagnesiumFineGrainedIgneousRock
TITLE
  • high magnesium fine grained igneous rock
URI
http://inspire.ec.europa.eu/codelist/LithologyValue/highMagnesiumFineGrainedIgneousRock
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