论文部分内容阅读
全文分前言、地层概况、沉积特征、相分析、结论等五个部分。地层概况简要的介绍了以1/500比例尺所实测的易县—涞水和曲阳二震旦亚界剖面地层层序、厚度、接触关系及主要岩性特征。高于庄组—雾迷山组有十分发育的原生白云岩;形态类型多样的硅质岩;不发育的碎屑岩粘土岩;较特征的岩石化学指标;明显的韵律性及旋回性等五个方面沉积特征,为相分析提供了基本依据。相分析是本文重点,包括相标志、沉积相模式的建立、剖面及剖面对比相分析等四方面内容。最后在结论中归纳六点基本认识:太行山中北段震旦亚界剖面类型具分区性;高于庄组—雾迷山组有三个值得注意的红色对比标志层;现代碳酸盐沉积的一些观点和方法也适用于震旦亚界相分析及古地理研究;发育的密纹层—密波纹藻迭层白云岩具良好生油条件;十分发育的缝孔洞构成多种成因的储集空间类型;太行山中北段震旦亚界中以雾迷山组相—旋回的生储盖最佳。文后附有照片图版45幅,主要附图4张。
The full text is divided into five parts, preface, stratigraphic situation, sedimentary characteristics, phase analysis and conclusion. The stratigraphic profile briefly introduced the stratigraphic sequence, thickness, contact relationship and lithology characteristics of the Yilian-Lishui and Quyang Second Epicenters in the 1/500 scale. The Gaozhuangzhuang Formation-the Wumishan Formation has well-developed native dolomites, various types of siliceous rocks, undeveloped clastic clay rocks, more specific petrochemical indices, and obvious rhythmic and cyclic characteristics. Sedimentary characteristics of each aspect provide a basic basis for phase analysis. Phase analysis is the focus of this paper, including phase identification, sedimentary facies model establishment, section and section contrast phase analysis and other four aspects. Finally, the conclusions are summarized in six basic points of understanding: the Sinian sub-boundary profile of the middle and northern section of the Taihang Mountains is zoning; the Gaozhuangzhuang-Wumishan Formation has three noteworthy red contrast markers; some views of modern carbonate deposition and The method is also applicable to the study of Sinian sub-boundary facies analysis and palaeogeography. The developed dense layer-dense diatom-alluvium dolomite has good oil-producing conditions. Well-developed fractured vugs constitute a reservoir space type with many genesis. In the Sinian subbasin of Central-North segment, the Wushan Mountain facies-cycle reservoir is the best. Text attached with 45 photo version, the main figure 4.