相序、组构、沉积特征和物源区综合分析表明，横丹浊积岩系为弧前盆地充填物。
An integrated analysis of the facies sequence, fabrics, sedimentary characteristics and provenance indi-cates that the Hengdan turbidite sequence is turbidity sediments fillings.
物源分析是开展沉积相研究的基础，物源区母岩性质和物源方向分析是极其重要的基础地质研究内容。
Analysis of source rock nature and provenance direction of source area is an extremely important foundation of geological research.
通过对物源特征和降雨强度对矿渣型泥石流影响的分析，得出研究区矿渣型泥石流主要为暴雨型水石流。
Through the analysis on debris source characteristic and the rainfall intensity's influences, obtains the mine waste debris flow in the research area is rainstorm water-stone flow.
分析大姚铜矿砂岩类的常量元素，反映其成岩成矿的构造背景，砂岩铜矿中碎屑岩的常量元素特征主要受物源区控制。
The major elements of clastic rocks in sandstone copper deposit are controlled by the tectonic setting of source area.
平面上，研究区靠近米仓山和大巴山，结合岩屑、重矿物分析，显示物源来自北部大巴山褶皱带。
Meanwhile, analysis results shows that the material come from the north and northwest of the studied area.
通过对该滑坡体的物源及其沉积环境分析，将整个滑坡体沉积分为末端区和前缘区两个部分。
According to the analysis of landslide source and its sedimentary environment, the landslide is divided into two parts: an end area and a front area.
在方法上运用矿物学研究的基本方法和原理对研究区风沙成分进行了初步分析，探讨了研究区风沙物源的主要成因与特征；
The dissertation uses mineralogy principle to research the content and character of aeolian, in order to realize the original of Aeolian;
在方法上运用矿物学研究的基本方法和原理对研究区风沙成分进行了初步分析，探讨了研究区风沙物源的主要成因与特征；
The dissertation uses mineralogy principle to research the content and character of aeolian, in order to realize the original of Aeolian;
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