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bn:00404582n
Noun Concept
SYL
No term available
EN
Ultramafic rocks are igneous and meta-igneous rocks with a very low silica content, generally >18% MgO, high FeO, low potassium, and are composed of usually greater than 90% mafic minerals. Wikipedia
Relations
Sources
IS A
EN
igneous rock
EN
volcanic rock
HAS KIND
EN
peridotite
EN
pyroxenite
EN
komatiite
EN
hornblendite

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