江苏主要隐蔽圈闭的地质分析A GEOLOGICAL ANALYSIS OF PRINCIPAL SUBTLETRAPS IN JIANGSU PROVINCE
陈焕疆
Chen Huanjiang(Basin Research Department of petroleum Gelogy Institute ;
摘要(Abstract):
盆地的整体是评价油气资源的基础。在江苏,大致以印支运动为中界,新生代板内盆地和槽合构造相联系的古地台盆地(包括三叠纪)有不同的成因机制,并各有其沉积、构造特点。从盆地的规模看,显然中、古生代盆地较之第三纪盆地有更广阔的油气普查领域。本文试图从盆地多旋回叠加观念提出探索不整合面上下和逆掩断层带作为今后开拓中、古生代众多隐蔽圈闭和类型中的一个重要方面,并期望加强深层地球物理勘探工作,籍以发展我们的勘探思路,探索更广阔的油气领域。
Abstract
In an evaluation of hydrocarbon resources, a basin should be taken into account a.s a whole. In Jiangsu province the Meso-Scnozoic intraplatc basins and the ancient platform basins (including those of Triassic) associated with gcocyncline-plat-form structure, which take the Indosinian movement as their boundary, have different genetic mechanisms and varying depositional and structural characteristics. From the point of view of their size, it is obvious that paleo-Mesozoic basins have a vaster field for hydrocarbon reconnaissance compared to Tertirary basins. This paper attempts, based on the multiple-cyclic superimposition concept, to suggest that in the future exploration for various types of subtle traps of Meso-Paleozoic ages, the features above and below unconformity and the overthrust belt should be the important targets. The author hopes that the geophysical prospecting for petroleum at depth will be strengthened so as to widen our train of exploration thought and to explore vaster hydrocarbon prospects.
关键词(KeyWords):
基金项目(Foundation):
作者(Authors):
陈焕疆
Chen Huanjiang(Basin Research Department of petroleum Gelogy Institute ;
DOI: 10.19597/j.issn.1000-3754.1984.01.014
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