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New lead isotope data from the Långban mineralization, central Sweden

 

作者: Göran Åberg,   Georgios Charalampides,  

 

期刊: Geologiska Föreningen i Stockholm Förhandlingar  （Taylor Available online 1986）
卷期: Volume 108, issue 3  

页码: 243-250

 

ISSN:0016-786X

 

年代: 1986

 

DOI:10.1080/11035898609454690

 

出版商: Taylor & Francis Group

 

关键词: Långban;lead minerals;exhalative-sedimentary;continental margin;south central Sweden

 

数据来源: Taylor

 

摘要:

Lead isotope analysis of 21 low- to high-temperature minerals from the Långban district points to an exhalative-sedimentary origin in an active continental margin environment. A volcanogenic Pb component slightly enriched in radiogenic Pb, thus causing a lowering of the Pb model age, was continuously mixed with a sedimentary Pb component. For the later stages of mineral formation this addition of Pb caused an increase in μ-values and Pb model ages with time.

 

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