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/ˈpɛɹ.ɪ.dəˌtaɪt/ · noun
(geology) A rock consisting of small crystals of olivine, pyroxene and hornblende; the major constituent of the Earth's mantle..
Varieties of peridotite are distinguished by their mineral composition; for example, dunite is a peridotite which is virtually all olivine, and a dense, dark green in colour.
Use peridotite when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Peridotite means (geology) A rock consisting of small crystals of olivine, pyroxene and hornblende; the major constituent of the Earth's mantle..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Varieties of peridotite are distinguished by their mineral composition; for example, dunite is a peridotite which is virtually all olivine, and a dense, dark green in colour.
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