A PROGRESSIVE DUCTILE SHEAR MODEL FOR THE PROTEROZOIC AGGENEYS TERRANE, NAMAQUA MOBILE BELT, SOUTH-AFRICA

被引：29
|
作者：
COLLISTON, WP
PRAEKELT, HE
SCHOCH, AE
机构：
[1] Department of Geology, University of the Orange Free State, Bloemfontein
来源：
PRECAMBRIAN RESEARCH | 1991年 / 49卷 / 3-4期
关键词：
D O I：
10.1016/0301-9268(91)90032-6
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
Recent structural and stratigraphic study results indicate that the Namaqua orogenesis (ca. 1.2 Ga) involved relative movement of lozenge shaped suspect terranes. Detailed study of one of the terranes, the Aggeneys Terrane, provided important information concerning the deformation process. The principal process was differential shear which produced complex structures such as interference folds and thrust faults. All the observed deformational structures can be explained by a single long-lived compressional event.
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页码：205 / 215
页数：11
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