胶莱盆地的盆地样式及构造演化

新疆石油地质 ›› 2002, Vol. 23 ›› Issue (4): 345-347.

胶莱盆地的盆地样式及构造演化

廖远涛

中国地质大学石油系,湖北武汉 430074

收稿日期:2001-11-22 出版日期:2002-08-01 发布日期:2020-08-10
作者简介:廖远涛(1977-),男,湖北南漳人,在读硕士研究生,石油地质及构造地质。联系电话：027-87484459

The Pattern and Tectonic Evolution of Jiaolai Basin

LIAO Yuan-tao

Received:2001-11-22 Online:2002-08-01 Published:2020-08-10
About author:LIAO Yuan-tao (1977-), Male, Master Candidate, Petroleum Geology and Structural Geology, Petroleum Department, China University of Geosciences, Wuhan, Hubei 430074, China

摘要/Abstract

摘要： 胶莱盆地为右行非对称性菱形拉分盆地,其西部北北东向边界断裂和东部北东向边界断裂为Y主剪切断裂,南部北东向边界断裂为R剪切断裂,北部北东东-东西向边界断裂为R'剪切断裂。其次级盆地具有与之相似的几何学特征。胶莱盆地构造演化及油气地质特征是:莱阳组沉积期为右行走滑拉分裂谷阶段,是主要的生油岩形成期;莱阳组沉积期末-青山组沉积期初为脉动式左行转换挤压阶段;青山组沉积期为后裂谷阶段,构造裂缝为青山组主要油气储渗空间。青山组沉积期末-王氏组沉积期初为脉动式左行转换挤压阶段;王氏组沉积期为右行走滑拉分裂谷阶段,为早期的莱阳组生油岩主要生烃期;新生代为盆地消亡阶段。

关键词: 胶莱盆地, 拉分盆地, 右行剪切, 构造演化, 中生代

Abstract: Jiaolai basin is a dextral strike-slip pull-apart basin. Its west and east boundaries are delineated by NNE-trending Tanlu faulting and NE-trending Moping-Jimo faulting, both of which developed as Ysheared fractures; its south and north boundaries by NE-trending Wulian-Rongcheng faulting developed as R- sheared fracture, while NEE-EW trending faulting developed as R'-sheared fracture. Its subsidiary basin is of geometry characteristics similar to them. The tectonic evolution and petroleum geology are characterized by that ① Laiyang period is dextral pull-apart rifting stage mainly formed source rocks; ② Late Laiyang-Early Qing- shan period is pulse sinistral transform-compressional stage; ③ Qingshan period is post-rift stage. Structural crack is the main space of reservoir and percolation of oil and gas in Qingshan formation; ④ Late Qingshan-Early Wangshi period is pulse sinistral transform-compressional stage; ⑤ Wangshi period is dextral pull-apart rifting stage, an important hydrocarbon generation stage in Early Laiyang epoch; and (6) its Cenozoic is an up-lift and subduction stage.

Key words: Jiaolai basin, pull-apart basin, dextral shear, structural evolution, Mesozoic

中图分类号:

TE111.1

廖远涛. 胶莱盆地的盆地样式及构造演化[J]. 新疆石油地质, 2002, 23(4): 345-347.

LIAO Yuan-tao. The Pattern and Tectonic Evolution of Jiaolai Basin[J]. Xinjiang Petroleum Geology, 2002, 23(4): 345-347.

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