Its petrochemical characteristics show that the volcanics was formed in oceanic island tectonic environment.
岩石化学特征表明火山岩形成于洋岛构造环境。
Its petrochemical characteristics show that the volcanics was formed in oceanic island tectonic environment.
其岩石化学及地球化学显示岛弧火山岩特征。
The oceanic island is the exposed part of the undersea Macquarie Ridge, which is formed by the meeting of two tectonic plates.
它是海下麦夸里河山脉暴露出来的一部分，由两大构造板块碰撞形成。
Association of continental alkaline basalt with oceanic tholeiite and oceanic island basalt in the junction is reasonably interpreted.
较合理地解释了结合带内，大洋拉斑玄武岩、洋岛玄武岩、大陆碱性玄武岩共存的地质特征。
They mainly formed at tectonic environment of the middle ridge of the oceanic plate, partial are the products of island arc and oceanic islands.
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。
In other words, if you know how many native plants are on an oceanic island then you can predict almost perfectly how many exotic plants are there.
换句话说，如果你知道大洋中某个岛屿上有多少本地种植物，你就可以几乎准确预测那里有多少非本地种植物。
The main regions of seismic activities were the seismic belt of the northwest margin of the Pacific Ocean and the Oceanic island-arc seismic belt.
主要活动地区是太平洋西北边缘地震带和大洋岛弧地震带。
The East Dengba section is a record of the late stage of oceanic island development, with interbeds of acid lavas at the top, overlain by continuous deposits of limestone and sandstone.
登巴东剖面则代表了洋岛火山岩发育的晚期阶段，顶部有酸性熔岩的夹层，火山岩之上连续沉积有灰岩和砂岩。
The oceanic island basalt is represented by the Nonghuai pillow lava, which is, originally Hawaii type one in the Paleotethyan ocean, an allochthon in the Indosinian foreland fold and thrust belt.
洋岛玄武岩以弄槐枕状熔岩为代表性火山岩，原为古特提斯洋盆中的夏威夷型洋岛，现保存在印支期前陆褶皱冲断带的一个外来岩席中。
Cheju Island under the seasonal climate changes can be clearly divided into continental and oceanic climate.
济州岛的气候根据季节的变化可以明显地分为大陆性和海洋性气候。
There are many disputations about the geological setting in Carboniferous of the Bogeda Mountain, such as small oceanic basin, aulacogen, rift or Island-Arc and so on.
对研究区中、晚石炭世区域古构造环境的认识，目前存在有限洋盆、裂陷槽、裂谷、岛弧之争。
There are many disputations about the geological setting in Carboniferous of the Bogeda Mountain, such as small oceanic basin, aulacogen, rift or Island-Arc and so on.
对研究区中、晚石炭世区域古构造环境的认识，目前存在有限洋盆、裂陷槽、裂谷、岛弧之争。
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