COMPOSITE STYLES OF STRUCTURAL-LITHOLOGICTRAPS IN SHIWU RIFT, SOUTHERN SONGLIAO BASIN

Wu Jincai; Lan Suqing

doi:10.11743/ogg20030115

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COMPOSITE STYLES OF STRUCTURAL-LITHOLOGICTRAPS IN SHIWU RIFT, SOUTHERN SONGLIAO BASIN
Vol. 24, Issue 1, Pages: 62-64(2003)
Online First：25 March 2003，

Published：2003
DOI： 10.11743/ogg20030115
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DOI：

Wu Jincai, Lan Suqing. COMPOSITE STYLES OF STRUCTURAL-LITHOLOGICTRAPS IN SHIWU RIFT, SOUTHERN SONGLIAO BASIN[J]. 2003, 24(1): 62-64. DOI： 10.11743/ogg20030115.

摘要

根据构造-岩性复合圈闭所涉及到的构造、岩性两个重要因素的相互关系将复合圈闭样式划分为4种样式

即单斜-岩性复合式、背斜-岩性复合式、断块-岩性复合式和鼻状-岩性复合式。松南十屋断陷中央构造带实际资料研究

发现了几个构造-岩性复合圈闭

即SN85井西构造、SN87井北构造、孤家子北构造。这些构造-岩性复合圈闭是下步勘探的有利目标。

Abstract

On the basis of the interrelationship of structure and lithology of the trap

the composite traps can be divided into 4 styles

including monoclinal-lithologic trap

anticlinal-lithologic trap

fault block-lithologic trap and nose-lithologic trap. After studying the data of the central structural belt in Shiwu rift

southern Songliao basin

it is found that there are several structural-lithologic composite traps

such as the structure to the west of SN85 well

the structure to the northern SN87 well and North Gujiazi structure. These structural-lothologic composite traps will be the favorable exploration targets in the future.