OIB：洋岛玄武岩

英文缩写词OIB的例句

1. Based on more geochemical signatures, two types of basalt are recognized, namely, ocean island basalt ( OIB ) and mid ocean ridge basalt ( MORB ).
2. 进一步的地球化学研究表明，这套玄武岩为洋岛型玄武岩（OIB）和洋中脊型玄武岩（MORB）的组合。
3. The analysis of the geochemical and petrologic characteristics features shows that the assemblage of volcanic rocks is the series of middle ocean ridge basalt, ocean island basalt and ocean island andesite basalt, which implies that it is the relic of the ocean crust, i.e. typical ophiolites.
4. 通过岩石特征和地球化学分析，确定了盐边群荒田组火山岩组合为洋脊玄武岩、洋岛玄武岩(OIB)、洋岛安山玄武岩系列，说明这是洋壳残片，即典型的蛇绿岩套。
5. Its contents are similar to those of EM ⅰ OIB from the Gough islands, and show ocean island alkaline basalt characteristics including the discriminant diagrams of tectonic settings for volcanics, which implies that the Hercynian volcanics were formed in tectonic environment of ocean island.
6. 以其不相容元素比值，相当于Gough岛EMⅠOIB型洋岛玄武岩(OIB)，其构造环境判别图进一步印证了海西期火山岩形成于洋岛碱性玄武岩环境。