Geochemical study of boron isotopes in the process of loess weathering

ISL OpenIR > 青海盐湖研究所知识仓储

	Geochemical study of boron isotopes in the process of loess weathering
	Zhao, ZQ ; Liu, CQ ; Xiao, YK ; Lang, YC
	2003-02-01
发表期刊	SCIENCE IN CHINA SERIES D-EARTH SCIENCES
ISSN	1006-9313
卷号	46 期号:2 页码:106-116
关键词	Loess-paleosol Boron Isotopic Composition Chemical Weathering Adsorption Paleo-climate
摘要	In this paper the boron contents and boron isotopic composition of acid-soluble phases in loess and paleosol samples are determined for the first time. The boron contents of acid-soluble phases in the Luochuan loess section (S-0-S-2) vary within the range of (0.8-2.7)x10(-6) and their delta(11)B values vary from -1.8parts per thousand. to +18.6parts per thousand, mostly within the range of 0-+10parts per thousand. The boron contents and delta(11)B values of paleosol layers are higher than those of loess layers, especially in the loess layer S-1. Varying chemical weathering intensity and loess adsorption capability are the main factors leading to the variations of boron contents and delta(11)B values of acid-soluble phases in the loess section. The variation of chemical weathering intensity in response to the variation of climatic conditions seems to be the main factor leading to the variations of boron contents and delta(11)B values of acid-soluble phases in the loess section.
语种	英语
引用统计
文献类型	期刊论文
条目标识符	http://ir.isl.ac.cn/handle/363002/2355
专题	青海盐湖研究所知识仓储中国科学院青海盐湖研究所
作者单位	1.Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Guiyang 550002, Peoples R China 2.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Peoples R China
推荐引用方式 GB/T 7714	Zhao, ZQ,Liu, CQ,Xiao, YK,et al. Geochemical study of boron isotopes in the process of loess weathering[J]. SCIENCE IN CHINA SERIES D-EARTH SCIENCES,2003,46(2):106-116.
APA	Zhao, ZQ,Liu, CQ,Xiao, YK,&Lang, YC.(2003).Geochemical study of boron isotopes in the process of loess weathering.SCIENCE IN CHINA SERIES D-EARTH SCIENCES,46(2),106-116.
MLA	Zhao, ZQ,et al."Geochemical study of boron isotopes in the process of loess weathering".SCIENCE IN CHINA SERIES D-EARTH SCIENCES 46.2(2003):106-116.