INSPIRE
Registry

dioritoid

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Label:
dioritoid
Definition:
Phaneritic crystalline igneous rock with M less than 90, consisting of intermediate plagioclase, commonly with hornblende and often with biotite or augite. Plagioclase to total feldspar ratio is greater that 0.65, and anorthite content of plagioclase is less than 50 percent. Less than 10 percent feldspathoid mineral and less than 20 percent quartz in the QAPF fraction. Includes rocks defined modally in QAPF fields 9 and 10 (and their subdivisions).
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Label Governance level Status
monzodioritic rock eu-technical Valid
dioritic rock eu-technical Valid