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.
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。
2
Extrusive igneous rock solidified near or on the surface of the earth.