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利用应力莫尔圆解析成矿热液对岩石的机械破裂作用
Using Stress Mohr Circle Resolve the Hydrothermal Fluids and Rock Mechanical Disruption
【摘要】 在成矿作用中,成矿热液对岩石的破坏作用分为以机械破裂为主的物理作用和以腐蚀交代为主的化学作用。成矿热液对岩石的机械破裂作用与矿床的形成联系非常紧密。当成矿热液的压力与岩石的构造应力满足一定条件时,岩石就会发生破裂;从而显著提高岩石的渗透率,提供流体运移通道并且形成成矿场所。因此成矿热液对岩石的机械破坏作用是形成容矿断层的重要因素。用应力莫尔圆解析了这一过程,并以新疆哈密红石铜矿论证了这一过程。
【Abstract】 Mineralization,hydrothermal fluids and the destructive effects of the rock are divided into physical action-oriented and accountable to corrosion chemical mechanical rupture based role.Metallogenic hydrothermal the rock mechanical disruption deposit formation contact is very close,when certain conditions are met when the pressure of the hydrothermal fluids and rocks tectonic stress,the rock will rupture,and thus significantly increase the permeability of the rock,providing fluidmigration pathways and formation of mineralization spaces.Therefore,the mechanical damaging effects of the ore-forming hydrothermal rock is an important factor in the formation of deposits and fault.With stress Mohr circle parse this process,and of Xinjiang Hami Redstone copper demonstrates this process.
- 【文献出处】 科学技术与工程 ,Science Technology and Engineering , 编辑部邮箱 ,2013年21期
- 【分类号】P611
- 【被引频次】3
- 【下载频次】122