SHRIMP dating of titanite from metasyenites in the Central Zone of the Limpopo Belt, South Africa

被引：12
|
作者：
Rigby, M. J. [1 ,2 ]
Armstrong, R. A. [3 ]
机构：
[1] Univ Pretoria, Dept Geol, ZA-0002 Pretoria, South Africa
[2] Runshaw Coll, Leyland PR25 3DQ, Lancs, England
[3] Australian Natl Univ, Res Sch Earth Sci, Canberra, ACT 0200, Australia
来源：
JOURNAL OF AFRICAN EARTH SCIENCES | 2011年 / 59卷 / 01期
关键词：
Limpopo Belt; SHRIMP; Titanite; Geochronology; Palaeoproterozoic; HIGH-GRADE METAMORPHISM; P-T RECORD; U-PB; GRANITOID GNEISSES; CRUSTAL EVOLUTION; BRIDGE COMPLEX; CONSTRAINTS; EVENTS; AGE; BOTSWANA;
D O I：
10.1016/j.jafrearsci.2010.07.004
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
SHRIMP dating of Marine from metasyenites in the Central Zone of the Limpopo Belt yields a mean Pb-207/Pb-206 age of 2010 3 +/- 4 5 Ma calculated from 23 analyses This age combined with petrographic and field observations suggests the metamorphism in the syenites occurred during Palaeoproterozoic event (C) 2010 Elsevier Ltd All rights reserved
引用
收藏
页码：149 / 154
页数：6
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