TECTONIC FEATURES OF QIYANG ∈-TYPE TECTONIC SYSTEM AND ITS MECHANISM OF FORMATION

doi:10.11743/ogg19800109

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TECTONIC FEATURES OF QIYANG ∈-TYPE TECTONIC SYSTEM AND ITS MECHANISM OF FORMATION
Vol. 1, Issue 1, Pages: 75-81(1980)
Online First：25 June 1980，

Published：1980
DOI： 10.11743/ogg19800109
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DOI：

TECTONIC FEATURES OF QIYANG ∈-TYPE TECTONIC SYSTEM AND ITS MECHANISM OF FORMATION[J]. 1980, 1(1): 75-81. DOI： 10.11743/ogg19800109.

摘要

湘中存在多种构造体系

在复杂的构造图象中

最引人注目的为弧顶朝西的祁阳山字型构造体系。它北跨龙山、大乘山

直达雪峰隆起东南缘;南抵阳明山;西近越城岭、白马山;东止于衡阳—双牌隆起。展布面积在两万平方公里以上。地理座标约为:北纬26°00′—27°50′

东经110°50′—112°25′(图1)。

Abstract

The Qiyang ε-type tectonic system in central Hunan has been stu-died and its bearing on oil and gas potential discussed.Partly on the basis of model experiments

some new ideas about the characteristics ofthis tectonic system and the mechanism of its formation have been putforward.This paper contains three parts:the first part deals with the tec-tonic features of the Qiyang ε-type tectonic system.The second partdiscusses the mechanism of formation of the Qiyang ε-type tectonicsystem.The third part discusses briefly the relationaship between the Qiyang ε-type tectonic system and the hydrocarbon ocurrence.