很难看出这个理论如何适用于大西洋中脊和印度洋脊之间的板块。
It is difficult to see how the theory applies to the plate between the Mid-Atlantic Ridge and the ridge in the Indian Ocean.
洋中脊，也叫扩展中心，出现在两个板块相互分离的地方。
Ridges, also called spreading centers, occur where two plates are moving away from each other.
岛弧和洋中脊火山岩都明显来自地幔然而他们有不懂的组成。
Both island arc and mid-ocean ridge magmas apparently come from the mantle yet they have different compositions.
板块以一个由洋中脊、转换断层和海沟相互连接形成的网络为界。
The plates are bounded by an interconnected network of ridges, transform faults, and trenches.
主要形成于大洋板块洋中脊构造环境，部分为岛弧一洋岛环境下的产物。
They mainly formed at tectonic environment of the middle ridge of the oceanic plate, partial are the products of island arc and oceanic islands.
作者认为，投在洋中脊玄武岩区域的玄武岩绝大多数并非来自大洋中脊环境。
The author indicates that all areas of the tectonic setting determined by basalt discri…
探讨了识别洋中脊扩张型（MORS）和洋俯冲带上面（SSZ）蛇绿岩（套）在火成岩组合上的差别。
The difference between MORS – and SSZ –type ophiolites in terms of igneous petrotectonic assemblages is discussed.
海槽玄武岩构造环境属于过渡洋中脊玄武岩 （张性 ）与岛弧玄武岩 （压性 ）之间 ，代表的仍是海槽早期的岩浆活动。
The tectonic settings of the basalts are transitional between MORB (tensile) and IAB (compressive), still representing the earlier stage of magma activities in the Okinawa Trough.
样品同时具备E-MORB和OIB的特征，说明古特提斯洋在漫长的演化过程中可能存在地幔柱岩浆和正常洋中脊亏损地幔岩浆的相互作用。
All the eclogite samples with the feature of both E-MORB and OIB indicate a plume-ridge interaction or hotspot-ridge interaction during the evolution process of Paleo-Tethys.
大约在距今一亿年之后，大西洋的中洋脊将会隐没，大陆和大陆之间则会越靠越近了。
About 100 million years from now the present-day Mid-Atlantic Ridge will be subducted and the continents will come closer together.
大约在距今一亿年之后，大西洋的中洋脊将会隐没，大陆和大陆之间则会越靠越近了。
About 100 million years from now the present-day Mid-Atlantic Ridge will be subducted and the continents will come closer together.
应用推荐