| 鲁西山区土门群沉积以前地质事件表初议 |
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| 引用本文： | 曹国权,王致本,董一杰,郑良峙,张承基.鲁西山区土门群沉积以前地质事件表初议[J].山东国土资源,1986(1). |
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| 作者姓名： | 曹国权 王致本 董一杰 郑良峙 张承基 |
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| 作者单位： | 山东省地质矿产局，山东省地质矿产局，山东省地质矿产局，山东省地质矿产局，山东省地质矿产局 |
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| 摘 要： | 山东沂沭断裂带以西广大结晶基底,经过多年研究,虽然取得了一定进展,但从地质历史的角度出发,我们对它还只有模糊不清的概念。研究变质火山沉积岩系的层序,对于地壳变化的研究,是很重要的步骤,因为地壳发展的记录,无论是地层本身的,还是外来的,都表现在庞大地质体之中。然而地壳的发生发展历史,并不是可以用简单的沉积作用来概括的。在沉积前后及其沉积过程中,还有一系列地质事件发生,只有弄清这些事件并利用一些短暂的或者突发事件,精确地测定事件时间,建立一个地质单元内的地质事件顺序表,才能全面考察早期地壳演化历程。作者本着这个意思,试图综合前人资料并根据野外观察,拟
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PRELIMINARY DISCUSSION OF THE GEOLOGICAL EVENTS BEFORE THE FORMATION OF THE TUMEN GROUP IN WESTERN SHANDONG |
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| Cao Guoquan,Wang Zhiben,Dong Yijie,Zheng Liangzhi and Zhang Chengji.PRELIMINARY DISCUSSION OF THE GEOLOGICAL EVENTS BEFORE THE FORMATION OF THE TUMEN GROUP IN WESTERN SHANDONG[J].Land and Resources in SHANDONG Province,1986(1). |
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| Authors: | Cao Guoquan Wang Zhiben Dong Yijie Zheng Liangzhi and Zhang Chengji |
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| Abstract: | The voluminous basement complex occurred in Western Shandong,which has a regional strike in NW or NNW,underlies the Tumeen Group which has an isotopic age older than 738 m.y. Some important geological problems in terms of this hilly land have nnt yet been settled.A study of volcano-sedimentary series is very important for understanding the basement crystalline rocks.In addition,a thorough research of geological evants of Early pre-cambrian has a great significance on the evolution of the crust.A tentative t... |
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