Fold growth in the South Caspian Sea Basin: Mechanisms and interaction with deep-water lacustrine sediments

南里海盆地褶皱生长：机制及其与深水湖相沉积物的相互作用

• 批准号: 1992734
• 金额: --
• 依托单位: Imperial College London
• 依托单位国家: 英国
• 项目类别: Studentship
• 财政年份: 2017
• 资助国家: 英国
• 起止时间: 2017 至 无数据
• 项目状态: 已结题
• 来源: https://gtr.ukri.org/projects?ref=studentship-1992734
• 关键词: Fold; growth; South; Caspian; Sea

The South Caspian Sea Basin contains one of the thickest sedimentary successions of any basin on the planet. It has accumulated up to 10 km of sedimentary infill in the last 6 Million years alone, overlying a thick, organic-rich, over-pressured shale. The location of the Caspian Sea at the site of a major zone of plate convergence between the Arabian and Eurasian Plates, has led to the formation of numerous shale-cored anticlines, with associated mud volcanoes. Since c. 3 Ma it has been isolated from marine waters and sedimentary fill has been dominated by fluvial and deltaic deposits passing laterally into shallow and deep-water lacustrine sediments in the south of the basin. The aims of this project are firstly to investigate the mode of formation of the shale-cored Caspian Sea Basin folds and in particular address the role of sediment loading as well as tectonic shortening in their genesis; and secondly to understand how the deep-water lacustrine environments are affected by the growth of the folds.

南海盆中包含地球上任何盆地最厚的沉积继承之一。仅在过去的600万年中，它就积累了高达10公里的沉积填充填充物，覆盖了厚实的有机，富含有机的，过度压力的页岩。里海的位置位于阿拉伯和欧亚板块之间主要板块融合区的位置，导致形成了许多页岩式抗议，并带有相关的泥土火山。自c。 3 ma已从海水中分离出来，沉积物填充物以河流和三角洲沉积物的侧向进入盆地南部的浅层和深水湖泊的沉积物。该项目的目的首先是研究页岩卷的里海盆地褶皱的形成方式，尤其是解决沉积物载荷的作用以及构造缩短的作用；其次，要了解深水湖间环境如何受褶皱的生长影响。