Research on Provenance and Paleocurrents in the Meso-Cenozoic Hefei Basin

Geoscience ›› 2005, Vol. 19 ›› Issue (2): 247-252.

• Engineering Geology and Environmental Geology • Previous Articles Next Articles

Research on Provenance and Paleocurrents in the Meso-Cenozoic Hefei Basin

JIANG Zai-xing¹, XING Huan-qing², LI Ren-wei³, LUO Dong-xiang⁴

1School of Energy Resources, China University of Geosciences, Beijing100083, China;
2School of Resource and Information, China University of Petroleum, Dongying, Shandong257061,China;
3Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing100029,China;
4Institute of Oil Production Technology, Jidong Oilfield, Tanghai, Hebei063200,China

Received:2004-09-07 Revised:2005-03-28 Online:2005-02-20 Published:2005-02-20

Abstract

Abstract:

Based on the latest geophysical and geological data, this study has dealt with the provenance and paleocurrents in the Mesozoic and the Cenozoic in the Hefei Basin with seismic stratigraphy and sedimentology, four provenance and paleocurrent systems have been recognized .The variation of the provenance and paleocurrents indicates the regular characteristics of the Hefei Basin .The main properties of provenance and paleocurrents changed with time from Dabiedominated provenance and paleocurrent system in Jurassic to both Dabie-dominated provenance and paleocurrents and Zhangbaling-dominated provenance and paleocurrents in the Cretaceous. The Bengbu provenance and paleocurrent system became the main provenance and paleocurrents in the Cenozoic.This study comes to the conclusion that Zhangbaling system is the predominant, Huoqiu and Bengbu systems are the secondary.

Key words: Dabie orogenic belt, Hefei Basin, provenance, paleocurrent

CLC Number:

TE121

JIANG Zai-xing, XING Huan-qing, LI Ren-wei, LUO Dong-xiang. Research on Provenance and Paleocurrents in the Meso-Cenozoic Hefei Basin[J]. Geoscience, 2005, 19(2): 247-252.

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Research on Provenance and Paleocurrents in the Meso-Cenozoic Hefei Basin

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