tholeiite
/ˈθəʊliːaɪt/noun
mass noun
- Geology a basaltic rock containing augite and a calcium-poor pyroxene (pigeonite or hypersthene), and with a higher silica content than an alkali basalt【地质】拉斑玄武岩。
派生词
tholeiitic
/ˌθəʊliːˈɪtɪk/ adjective词源
mid 19th cent.: from Tholei, the name of a village (now Tholey) in the Saarland, Germany, + -ITE1.