大洋拉斑玄武岩 meaning in English
oceanic tholeiite
Examples
- Cu - ni sulfided mine complex locate in baimazai of jinping county is sub alkali iron - super iron , it ' s zoning is clear and it ' s ni - cu - co melting first and enrichment , its rare earth is rich in right lean light rare earth , but eu in olive rock is serious to be bad , gd - tb is tittles negative abnormity . above - mentioned show that the mineral is cone from mantle , and didn " t mix with crustal substance , and continent tholeiite magma turning into continent tholeiite emplacement after by surging
金平白马寨铜镍硫化矿床杂岩体分带明显、属亚碱性铁质-超铁质岩、具ni - cu - co三元素先熔离，后富集的规律、稀土配分为右倾斜轻稀土富集型，但橄榄岩铕亏损显著， gd - tb微小负异常，显示成矿物质来源地幔，与地壳物质无混染和大陆拉斑玄武岩浆上涌后变为大洋拉斑玄武岩浆侵位特点。