Archean seismites of the Ventersdorp Supergroup, South Africa

被引：9

作者：

Schneiderhan, EA

Bhattacharya, HN

Zimmermann, U

Gutzmer, J

机构：

[1] Univ Johannesburg, Dept Geol, ZA-2006 Auckland Pk, South Africa

[2] Presidency Coll, Dept Geol, Kolkata 700073, W Bengal, India

来源：

SOUTH AFRICAN JOURNAL OF GEOLOGY | 2005年 / 108卷 / 03期

关键词：

D O I：

10.2113/108.3.345

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

This contribution documents the discovery of seismites in pyroclastic lithologies of the Kameeldooms Formation of the late Archean (2.8 to 2.65 Ga) Ventersdorp Supergroup, South Africa. A variety of well-preserved sedimentary structures document the seismites, comprising syn-sedimentary faults, convolute bedding, graben-like down-sagging structures, syn-sedimentary breccias and syneresis cracks. Earthquakes associated with syn-sedimentary faulting and intrabasinal volcanic activity that affected the unconsolidated sediments of the Kameeldooms Formation explain the origin of these structures.

引用

页码：345 / 350

页数：6

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