bn:00027245n
Noun Concept
Categories: Intermediate rocks, Articles with short description, Plutonic rocks, Granitic rocks
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diorite  Diorites  dioritoid  Dorite  markfieldite
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Diorite is an intrusive igneous rock formed by the slow cooling underground of magma that has a moderate content of silica and a relatively low content of alkali metals. Wikipedia
Deep igneous rocks made of equal amounts of alkali feldspar and intermediate plagioclase, the most common stained ingredients are amphibole, biotite and pyroxene, and accessory minerals apatite and sfen; volcanic equivalent: tackle. Wikidata
WordNet 3.0 & Open English WordNet
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