首页> 中文期刊>中国煤炭地质 >浮来山断裂带流体活动期次分析——断裂带内方解石脉的阴极发光证据

浮来山断裂带流体活动期次分析——断裂带内方解石脉的阴极发光证据

     

摘要

The Fulaishan fault zone is a branch of the Yishu faulted zone—Shandong segment of the Tancheng-Lujiang discordogenic fault, had experienced multiple tectonic movements. Through cathodoluminescence analysis of calcite samples from Fulaishan fault zone discussed fluid activity phase and interrelation between tectonic movement and fluid activity. The study has shown:the fault zone calcite has 3 different cathodoluminescence phases, illustrated different phases fluid contained different trace elements, and different impacts on calcite vein. The 3 phases of fluid activity can illustrate the fault zone has experienced 3 massive tectonic movements, con-sistent with activities in Yishu faulted zone.%浮来山断裂带为郯庐断裂带在山东境内沂沭断裂带的一条分支断裂,经历了多次构造运动.通过对取自浮来山断裂带内方解石样品的阴极发光分析,探讨断裂带流体活动期次以及构造运动与流体活动的相关性.研究表明:断裂带内方解石表现为3期不同的阴极光,说明不同期次流体所含有的微量元素种类不同,断裂带内方解石脉受到的影响不同;浮来山断裂带流体活动分为3个期次,说明浮来山断裂带经历了3次大规模的构造运动,与沂沭断裂带的活动期次相一致.

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