|本期目录/Table of Contents|

[1]杨仁超,韩作振,柳益群,等.鄂尔多斯盆地东胜地区侏罗系煤与铀矿关系[J].地球科学与环境学报,2006,28(04):31-37.
 YANG Ren-chao,HAN Zuo-zhen,LIU Yi-qun,et al.Relationship between Jurassic Coal Measures and Uranium Deposits in Dongsheng Area,Ordos Basin[J].Journal of Earth Sciences and Environment,2006,28(04):31-37.
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《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

卷:
第28卷
期数:
2006年第04期
页码:
31-37
栏目:
出版日期:
2006-12-15

文章信息/Info

Title:
Relationship between Jurassic Coal Measures and Uranium Deposits in Dongsheng Area,Ordos Basin
作者:
杨仁超1韩作振1柳益群2樊爱萍2
1.山东科技大学地球科学学院,山东青岛266510;2.西北大学地质学系,陕西西安710069
Author(s):
YANG Ren-chao1HAN Zuo-zhen1LIU Yi-qun2FAN Ai-ping2
1. School of Earth Sciences, Shandong University of Science and Technology, Qingdao 266510, Shandong, China; 2. Department of Geology, Northwest University, Xi’an 710069, Shaanxi, China
关键词:
鄂尔多斯盆地侏罗系煤系铀成矿东胜地区
Keywords:
Ordos basin Jurassic system coal measures uranium mineralization Dongsheng area
分类号:
P539.2
DOI:
-
文献标志码:
A
摘要:
鄂尔多斯盆地东胜地区侏罗系煤与砂岩型铀矿在空间上密切共存,为探讨煤与铀矿的关系,进行了广泛 的野外调研和系统的室内分析。在煤岩特征、煤的成岩演化和煤地球化学特征研究的基础上,发现从泥炭至褐煤 的煤化过程中,铀的含量不断增加;铀含量与煤岩显微组分中的镜质组含量成正比;砂岩成岩矿物与煤化作用有 关;煤的微量元素和稀土元素的含量特征与含矿砂岩具一致性。研究认为,在同生成岩阶段和早成岩阶段,煤对铀 的作用主要包括吸附作用、络合作用及还原作用;表生成岩阶段,煤对铀的再分配和“保矿”起到积极作用。
Abstract:
Jurassic coal measures and sandstone uranium deposit directly coexisted in space in Dongsheng area, Ordos basin. In order to discuss the relationship of coal measures and uranium deposit, extensive field exploration and systemic indoor analysis were conducted. Based on the research of coal features, diagenetic succession and ge- ochemical features of coal measures,it is discovered that uranium content continuously increase during the diagen- esis stages from turf to lignite and is in direct proportion to content of vitrinite in group macerals of coal, diage- netic minerals of sandstone correlate to coalification, and contents and features of trace element and REE of coal concide with that of uranium-bearing sandstone. It is concluded that effects of coal on uranium include sorption, complexation and revivification in syngenesis and early diagenesis and coal measures have positive effect on redis- tribution and preservation of uranium deposit in the epidiagenetic stage.

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备注/Memo

备注/Memo:
[收稿日期]2006-01-16
[基金项目]国家973项目(2003CB214603);山东科技大学科学发展基金项目(05G019)
[作者简介]杨仁超(1976-),男,陕西商南人,讲师,博士研究生,从事沉积学与层序地层学研究。
更新日期/Last Update: 2006-12-20