南黄海西部陆架区SYS-0803孔上部岩心的粒度特征及其环境意义

孔祥淮; 刘健; 徐刚; 仇建东; 王飞飞

doi:10.3724/SP.J.1140.2014.05013

南黄海西部陆架区SYS-0803孔上部岩心的粒度特征及其环境意义

孔祥淮^1,2,3,
刘健^1,3,
徐刚^1,3,
仇建东^1,3,
王飞飞^1,3

1. 国土资源部海洋油气资源和环境地质重点实验室, 青岛 266071;
2. 中国地质调查局滨海湿地生物地质重点实验室, 青岛 266071;
3. 青岛海洋地质研究所, 青岛 266071

基金项目:

国土资源部海洋油气资源和环境地质重点实验室开放基金(MRE201321)；国家自然科学基金(41376079)；国土资源部地质调查项目(1212010611401)；1:25万青岛幅海洋区域地质调查(试点)(GZH200900501)

详细信息

作者简介:
孔祥淮(1965-),男,博士,副研究员,从事海洋地质、地球化学研究,E-mail:kongxianghuai@163.com

中图分类号: P736.21
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出版历程
- 收稿日期: 2014-01-12
- 修回日期: 2014-03-10

GRAIN-SIZE DISTRIBUTION PATTERN OF THE SEDIMENTS IN THE UPPER PART OF CORE SYS-0803, WESTERN SOUTH YELLOW SEA AND ITS ENVIRONMENTAL IMPLICATIONS

1. Key Laboratory of Marine Hydrocarbon Resources and Environmental Geology, Ministry of Land and Resources, Qingdao 266071, China;
2. Key Laboratory of Coastal Wetland Biogeosciences, China Geological Survey, Qingdao 266071, China;
3. Qingdao Institute of Marine Geology, Qingdao 266071, China

摘要

摘要: 对取自南黄海西部陆架区的SYS-0803孔上部的岩心样品进行了粒度分析,分离出了对沉积环境变化较敏感的粒度组分,并将粒度参数的垂向分布序列与浅地层剖面反射特征进行了对比研究。结果表明,岩心样品的粒度变化特征较好地指示了该区域古环境的演化过程,自下而上依次经历了滨浅海沉积-河流沉积-河口湾沉积-滨浅海沉积-陆架沉积等环境。
- 粒度组分 /
- 环境演化 /
- 南黄海
Abstract: Grain-size analysis was carried out for the sediments taken from the upper part of the Core SYS-0803 drilled in the western South Yellow Sea. The components sensitive to depositional environment are carefully studied. The vertical variation in sediment grain size, in combination with the reflection characteristic of seismic profiles, suggests that the sediment grain-size parameters may effectively indicate the paleo-environment evolution. The study area has passed through a sequence of environmental changes from coastal-shallow water to fluvial deposition, to estuary deposition and to coastal-shallow water, and ended in an environment of continental shelf in an ascending order.
- sediment components /
- environment evolution /
- South Yellow Sea

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参考文献(13)

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