各岛是从洋底巨大裂隙喷发形成的火山岛。
The island is huge fissure eruption of adjacent formation volcanic island.
地幔柱产生大面积软流圈上涌，沿深断裂形成岩浆房，导致大规模溢流玄武岩裂隙式喷发。
Mantle plumes induced asthenosphere upwelling and development of magma Chambers along deep-sited faults, and thus resulted in fracture eruption of flood basalts on large scale.
虎睛石矿床赋存于耀岭河岩组一套基性海底喷发岩系中，受北北西向的一组缓倾斜构造裂隙控制。
The tiger's eye stone's deposit layed among a set of basic submarine extrusive rocks in Yaolinghe Rock-Formation, and controled by a group of NNW inclined structure fracture.
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