早第三纪济阳坳陷的性质

新疆石油地质 ›› 2002, Vol. 23 ›› Issue (2): 114-116.

早第三纪济阳坳陷的性质

吴富强¹, 汪小昆¹, 胡雪¹, 刘家铎²

1.重庆市地质矿产勘查开发总公司,重庆 400039;
2.成都理工学院,四川成都 610059

收稿日期:2001-06-12 出版日期:2002-04-01 发布日期:2020-08-07
作者简介:吴富强（1964-）,男,河南西峡人,博士,研究方向为含油气盆地分析和储集层地质学。联系电话：023-68601683

A Discussion on Paleogene Jiyang Depression Characteritics and Its F orming Mechanism

WU Fu-qiang, WANG Xiao-kun, HU Xue, LIU Jia-duo

Received:2001-06-12 Online:2002-04-01 Published:2020-08-07
About author:WU Fu-qiang (1964-), Male, Doctor, Petroleum Geology, Chongqing Company of Geology and Mineral Resource,Chongqing 400039, China

摘要/Abstract

摘要： 从构造-沉积演化出发,论述了济阳坳陷是一个有着复杂演化历史的复合、叠合盆地,在不同的构造演化阶段有着不同的原型盆地和不同的沉积建造。从8个方面莫霍面上隆和岩石圈减薄、幔源基性火山岩和超基性岩的发育、高的地温梯度、一系列箕状断陷盆地群的伸展量高达50km以上及沉积速率高达0.1mm/a.张性断裂发育、岩石圈呈“三明治式”流变结构样式、位于中地壳的震源以及幔源气的释放、郯庐大断裂的性质)论证了早第三纪济阳坳陷处于转换-_伸展状态,并探讨了转换-伸展盆地的形成机制。

关键词: 早第三纪, 济阳坳陷, 莫霍面, 转换-伸展盆地, 形成机制

Abstract: According to the structural and sedimentary evolution, Jiy ang depression is a compound and superimposed basin with complex evolutionary history that there existed different basins of primary types and different sedimentary assemblages. It is confirmed that Jiyang depression of Paleogene occurred in trans-extensional behavior in the light of Moho uplifting, lithosphere thinning, development of basic and ultra basic igneous rocks in mantle source rocks, high geothermal gradient,halfgraben-like depression basin groups, extensional amount of more than 50km and sedimentary velocity up to 0.1mm/a, well-developed tensional fractures, lithosphere appearing sandwich-like rheological structure, seismic source mainly taking place in the middle crust and release of mantle source gases as well as property of Tanlu fault. The mechanism of trans-extensional basin is discussed.

Key words: Paleogene, Jiyang depression, Moho, trans-extensional basin, formed mechanism

中图分类号:

TE111.1

吴富强, 汪小昆, 胡雪, 刘家铎. 早第三纪济阳坳陷的性质[J]. 新疆石油地质, 2002, 23(2): 114-116.

WU Fu-qiang, WANG Xiao-kun, HU Xue, LIU Jia-duo. A Discussion on Paleogene Jiyang Depression Characteritics and Its F orming Mechanism[J]. Xinjiang Petroleum Geology, 2002, 23(2): 114-116.

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