komatiite
/kəˈmætɪaɪt/noun
mass noun
- Geology a magnesium-rich extrusive rock, typically with a characteristic texture of criss-crossing olivine crystals【地质】科马提岩, 镁绿岩。
派生词
komatiitic
adjective词源
mid 20th cent.: from Komati (the name of a river in southern Africa) + -ITE1.