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Boron isotope variations and its geochemical application in nature
J. Xiao;  Y k. Xiao;  Z d. Jin;  M y. He;  C q. Liu
2013
Source PublicationAustralian Journal of Earth Sciences
Volume60Issue:4Pages:431-447
Abstract

The high geochemical reactivity of boron and the large relative mass difference between 10B and 11B lead to significant boron isotope fractionation in nature. So far the measured range of boron isotope composition (δ11B) varies between –70 and +75‰. The negative δ11B values are found in non-marine evaporite borate minerals and tourmalines, whereas positive δ11B values are common in salt lake brines and evaporated seawater. Since the 1980s, with improved measurement methods, applications of boron isotope analysis have increased rapidly. At present, boron isotopes are successfully applied to reconstruct ancient marine environments, to determine depositional environments and ore genesis, to trace groundwater pollution and seawater intrusion, and to study continental erosion. This paper summarises the methods for boron isotope analysis, the mechanisms of boron isotope fractionation and the distribution of boron isotopes in nature, reviews the achievements and the problems of boron isotopes in geochemical applications, and proposes research directions of boron isotopes in geochemical fields.

KeywordBoron Isotope isotope Fractionation geochemical Application analysis research Directions
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/42920512-1/11084
Collection环境地球化学国家重点实验室
Affiliation1.State Key Laboratory of Loess and Quaternary Geology , Institute of Earth Environment, Chinese Academy of Sciences , Xi’an , 710075 , PR China
2.Qinghai Institute of Salt Lakes , Chinese Academy of Sciences , Xining , 810008 , PR China
3.State Key Laboratory of Environmental Geochemistry , Institute of Geochemistry, Chinese Academy of Sciences , Guiyang , 550002 , PR China
Recommended Citation
GB/T 7714
J. Xiao;Y k. Xiao;Z d. Jin;M y. He;C q. Liu. Boron isotope variations and its geochemical application in nature[J]. Australian Journal of Earth Sciences,2013,60(4):431-447.
APA J. Xiao;Y k. Xiao;Z d. Jin;M y. He;C q. Liu.(2013).Boron isotope variations and its geochemical application in nature.Australian Journal of Earth Sciences,60(4),431-447.
MLA J. Xiao;Y k. Xiao;Z d. Jin;M y. He;C q. Liu."Boron isotope variations and its geochemical application in nature".Australian Journal of Earth Sciences 60.4(2013):431-447.
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