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在中国西北的格尔盆地,地层重叠和沉积面的演变之间的关系,中国西北

Yuanpei Zhang¹, Qingchun Meng², Fajun Guo²

¹College of Earth Science and Engineering, Shandong University of Science and Technology, Qingdao, 266590, China.

Scientific reports

|November 9, 2024

概括

Stratigraphic重叠显著影响了Junggar盆地的沉积面分布. 这项研究揭示了白时期的重叠机制及其对Hala'alat山的沉积系统的影响.

科学领域:

沉积地质的地质学
在平流体学上,平流体学是平流体学.
构造学地质形态学的构造学地质形态.

背景情况:

了解沉积物分布需要分析盆地边缘地形及其与沉积过程的相互作用.
格尔盆地的Hala'alat山的复杂的构造环境和沉积环境在定义白纪沉积模型时提出了挑战.
层级重叠对沉积层面的空间演变的影响仍未得到充分研究.

研究的目的:

为了阐明Hala'alat山的白纪系统的进化和沉积模型.
为了研究白纪层状图重叠的起源机制和边界范围.
分析沉积层面的分布和演变,这些区域受到地平面重叠的影响.

主要方法:

整合石质学分析.
井口记录数据的解释.
对地震数据的分析.

主要成果:

在白纪水河形成的第二个 (K1q2) 和第三个 (K1q3) 成员中观察到明显的层级重叠.
石质学的过渡从聚合物到更细粒度的砂岩,沉积面从风扇三角洲演变为岸边浅湖沙吧.
在Hutubi形成 (K1h1-K1h3),降低斜率和稳定的环境导致较短的重叠距离,并且沉积面没有显著的变化.

结论:

层级图形重叠与沉积面区的分布和演变密切相关.
这项研究加深了对支配沉积物系统的动态进化规律的理解.
这些发现为Hala'alat山区的重叠沉积机制提供了宝贵的见解,这与石油勘探有关.

关键词:

甲时期的地层.哈拉·阿拉特山脉是一个山脉.格尔盆地格尔盆地沉积面的演化过程沉积面的演化过程高层图形的重叠情况.

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