中国资源综合利用2024，Vol.42Issue(4)：68-70,3.DOI:10.3969/j.issn.1008-9500.2024.04.020
南漳县西部梁山组富锂黏土岩沉积环境分析
Analysis of the Sedimentary Environment of Lithium-Rich Clay Rocks in the Liangshan Formation in the Western Part of Nanzhang County
摘要
Abstract
Nanzhang county is located in the northwest of Hubei province,under the jurisdiction of Xiangyang city,it is situated south of the Hanjiang River and at the eastern foot of the Jingshan Mountain,in the transitional zone from the mountainous area of northwest Hubei to the middle reaches of the Hanjiang River,it is rich in mineral resources.By studying the geochemical characteristics of trace elements in the lithium-rich clay rocks of the Liangshan formation in the western part of Nanzhang county,this paper preliminarily reveals the sedimentary environment characteristics of the lithium-rich clay rocks of the Liangshan formation.In the lithium-rich clay rock of the Liangshan formation in the research area,the Rb/K content ratio is 0.002 7～0.005 8,with an average value of 0.004 3;the Sr/Ba content ratio is 0.65～4.76,with an average value of 1.55;the Sr content is 32.2～728.0 mg/kg,with an average value of 190 mg/kg;most samples have Ba content less than 300 mg/kg,indicating that during the deposition of lithium-rich clay rocks in the Liangshan formation,the water body is in a freshwater-brackish water environment.In the lithium-rich clay rocks of the Liangshan formation in the research area,the U/Th content ratio is 0.21～0.60,the V/(V+Ni)content ratio is 0.73～0.94,and the average value is 0.86,indicating a weak redox sedimentary environment.In the sample,the Sr content indicates that the water temperature during the deposition of lithium-rich clay rocks in the Liangshan formation is around 30℃.The majority of samples have Sr/Cu content ratios ranging from 0.95 to 5.89,indicating overall humid and hot climate characteristics.关键词
梁山组/富锂黏土岩/沉积环境/微量元素/地球化学/南漳县Key words
Liangshan formation/lithium-rich clay rock/sedimentary environment/trace elements/geochemistry/Nanzhang county分类
天文与地球科学引用本文复制引用
闫博,董义方,蒋臣..南漳县西部梁山组富锂黏土岩沉积环境分析[J].中国资源综合利用,2024,42(4):68-70,3.基金项目
湖北省地质勘查基金项目(湖北省襄阳地区锂多金属矿产调查评价项目([2023]1). （湖北省襄阳地区锂多金属矿产调查评价项目([2023]1）
