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U-Pb zircon dating of a synorogenic Svecokarelian tonalite from Eksjö in Småland, southern Sweden

 

作者: Göran Åberg,   Lars Persson,  

 

期刊: Geologiska Föreningen i Stockholm Förhandlingar  （Taylor Available online 1986）
卷期: Volume 108, issue 1  

页码: 35-38

 

ISSN:0016-786X

 

年代: 1986

 

DOI:10.1080/11035898609453744

 

出版商: Taylor & Francis Group

 

关键词: Radiometric age;U-Pb;zircon;Svecokarelian;Eksjö;Småland;southern Sweden

 

数据来源: Taylor

 

摘要:

U-Pb zircon dating of a synorogenic Svecokarelian tonalite from Eksjö in Småland, southern Sweden, yields upper and lower intercepts with concordia of 1754 ± 10 Ma and —120 ± 102 Ma, respectively. The U-Pb isotopic systems in the zircons have apparently been reset during an earlier phase of deformation and slight migmatization, affecting the investigated area, and by later postorogenic intrusions.

 

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