Abstract: Western Liaoning district is Located in active volcanic zone of Mesozoic rea in East China and volcanic Rocks is well developed.
文摘：辽西地区地处我国东部中生代火山活动带，火山岩发育。
Western Liaoning district is Located in active volcanic zone of Mesozoic rea in East China and volcanic Rocks is well developed.
辽西地区地处我国东部中生代火山活动带，火山岩发育。
The results show that the principal factors effecting the smash district and the blasting cavity radius are strength of the shock wave, the characteristics of rocks and radius of the hole.
通过分析表明：影响粉碎区半径和爆腔半径的主要因素是冲击波的强度、岩石的性质和炮孔尺寸等。
The Longshoushan Group of Paleoproterozoic age in the Dongdashan district is a metamorphic terrane composed of metamorphic rocks of amphibolite facies.
东大山地区龙首山岩群形成于早元古代，是一套经角闪岩相变质改造的变质地质体。
The Longshoushan Group of Paleoproterozoic age in the Dongdashan district is a metamorphic terrane composed of metamorphic rocks of amphibolite facies.
东大山地区龙首山岩群形成于早元古代，是一套经角闪岩相变质改造的变质地质体。
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