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渤海北部海域碎屑矿物组成特征研究
Alternative TitleDetrital mineral composition features of the northern Bohai Sea
侯孟孜; 衣华鹏; 孙志高; 高猛; 王学沁
2017-04-15
Source Publication干旱区资源与环境
ISSN1003-7578
Volume31Issue:4Pages:118-123
Contribution Rank(1)鲁东大学资源与环境工程学院;(2)中国科学院烟台海岸带研究所;
Abstract对采集自渤海北部海域的23个表层沉积物样品进行碎屑矿物鉴定,以探讨研究区矿物组成特征及影响因素。结果表明:采样区碎屑矿物平均含量为17.1%,其中轻矿物9种,平均含量为96.77%;重矿物33种,平均含量为3.23%。Q型聚类方法分析结果表明,由于构造块体的基岩差异,研究区沿东-西方向可分为两个矿物组合区,在风化搬运规律、蚀源区等差异影响下又可将其细分成四个矿物组合亚区。研究发现,影响渤海北部海域表层沉积环境形成的主要因素是物源,次要因素是水动力,其解释贡献率分别为41.91%和22.74%。
Other AbstractA total of 23 surface sediment samples were collected from the northern Bohai Sea,their detrital mineral assemblages and distribution characteristics as indicators of provenance and dispersal pattern in surface sediments were analyzed. Results showed that the average percentage composition of the detrital mineral is 17. 1%, including 9 species of light mineral ( 96. 77% on average) and 33 species of heavy mineral ( 3. 23% on average) . By using cluster method of Q type,it is showed that the northern Bohai Sea could be divided into two regional mineral assemblage zones along the east - west direction,due to the bedrock differences between two tectonic blocks,and further divided into 4 mineral assemblage zones by laws of watershed erosion source area differences and weathering handling. Provenance factor influence accounts for 41. 91% in total,while tide,ocean currents,and submarine topography factors account for 37. 46%. Assemblages and distributions pattern of detrital mineral in the northern Bohai Sea are mainly controlled by provenances,and also affected by hydrody namic and grain density.
Keyword碎屑矿物 组成特征 渤海北部
Department海岸带生物学与生物资源利用所重点实验室 
Funding Organization中国科学院重点部署项目(KZZD-EW-14) ; 中国科学院"一三五"规划生态突破项目(Y254021031) ; 国家自然科学基金项目(41171424,41371104,31000197)资助
Indexed ByCSCD
Subtype期刊论文
Language中文
CSCD IDCSCD:5960921
Citation statistics
Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/22025
Collection中科院海岸带环境过程与生态修复重点实验室
Corresponding Author衣华鹏
Affiliation1.鲁东大学资源与环境工程学院
2.中国科学院烟台海岸带研究所
Recommended Citation
GB/T 7714
侯孟孜,衣华鹏,孙志高,等. 渤海北部海域碎屑矿物组成特征研究[J]. 干旱区资源与环境,2017,31(4):118-123.
APA 侯孟孜,衣华鹏,孙志高,高猛,&王学沁.(2017).渤海北部海域碎屑矿物组成特征研究.干旱区资源与环境,31(4),118-123.
MLA 侯孟孜,et al."渤海北部海域碎屑矿物组成特征研究".干旱区资源与环境 31.4(2017):118-123.
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