西北断陷盆地覆盖区填图方法探索——新疆巴里坤盆地填图实践

王国灿; 赵璇; 陈超; 陈越; 季军良; 王岸; 曹凯

西北断陷盆地覆盖区填图方法探索——新疆巴里坤盆地填图实践

王国灿^{1, 2,},
赵璇¹,
陈超³,
陈越¹,
季军良¹,
王岸^{1, 2},
曹凯^{1, 2}

1.
中国地质大学(武汉)地球科学学院全球大地构造研究中心, 武汉 430074
2.
中国地质大学(武汉)地质调查研究院, 武汉 430074
3.
中国地质大学(武汉)地球物理与空间信息学院, 武汉 430074

基金项目:

中国地质调查局“特殊地质地貌区填图试点”项目 DD20160060

中国地质调查局“特殊地质地貌区填图试点”项目 12120114042801

详细信息

作者简介:
王国灿(1963-), 男, 教授, 博士生导师, 长期从事区域地质、构造地质学教学与研究。E-mail:wgcan@cug.edu.cn

中图分类号: P546;P623
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- 被引次数: 0
出版历程
- 收稿日期: 2016-07-21
- 刊出日期: 2016-12-01

EXPLORATION OF GEOLOGICAL MAPPING METHODS ON COVERED AREA OF FAULTED BASIN IN THE NORTHWEST CHINA: A MAPPING PRACTICE IN THE BARKOL BASIN, XINJIANG

WANG Guo-can^{1, 2
,},
ZHAO Xuan¹,
CHEN Chao³,
CHEN Yue¹,
JI Jun-liang¹,
WANG An^{1, 2},
CAO Kai^{1, 2}

1.
Center for Global Tectonics, School of Earth Sciences, China University of Geosciences, Wuhan 430074, China
2.
Institute of Geological Survey, China University of Geosciences, Wuhan 430074, China
3.
Institute of Geophysics & Geomatics, China University of Geosciences, Wuhan 430074, China

摘要

摘要: 西部断陷盆地覆盖区覆盖层与基岩面地质结构及盆山关系是当今覆盖区区域地质调查研究需解决的重点与难点。基于新疆巴里坤山间断陷盆地覆盖区地质填图试点实践，梳理出断陷盆地区地质填图的基本内容和填图目标；强调覆盖区地质调查必须针对需解决的关键地质问题，贯彻地表地质调查-地球物理探测-钻孔验证相结合的基本工作思路；确定出普适性的填图技术路线和围绕填图目标及基本内容的针对性填图方法组合；最后以巴里坤断陷盆地填图为例，从调研目标的确定到物探工作及方法组合优选和钻探布设，系统介绍了巴里坤断陷盆地覆盖区地质填图的方法体系，并最终落实到地质填图成果的体现，成为西部断陷盆地覆盖区地质填图的示范。
- 西部断陷盆地覆盖区 /
- 填图目标 /
- 填图技术方法 /
- 基岩面地质结构 /
- 覆盖层地质结构 /
- 巴里坤盆地
Abstract: The geological texture of bedrock surface and overburden cover, and the basin-mountain coupling relationship are the key and difficult points in the regional geological survey of the covered areas of faulted-basin in the western China. In this paper we sorted out the mapping target and mapping contents to the covered region of faulted-basin based on the geological mapping practice in the Barkol basin, emphasized that the geological survey in the covered region must be aimed to solve the key geological problems and combination of surface geological survey, geophysical exploration and drilling verification, and determined the general mapping technical route and the combination of mapping methods. As an example, this paper also systematically introduced the mapping methods in the Barkol faulted-basin, including determining mapping targets and contents, optimizing geophysical exploration methods, and laying out drilling work.
- covered region of faulted-basin in the western China /
- mapping target /
- mapping method /
- geological texture of bedrock surface /
- geological texture of overburden cover /
- Barkol basin

HTML全文

图 1 覆盖区地质调查技术路线图

Figure 1. Technology roadmap of geological investigation in the covered area

下载: 全尺寸图片幻灯片

图 2 测区钻探工作布设

底图为垂向导数重力异常图；C、D为大地电磁和高密度电法剖面测线；E、F为剖面大地电磁测线；虚线为主动源和噪声源联全面波多道分析剖面测线

Figure 2. Disposition of drill holes in the work area

下载: 全尺寸图片幻灯片

图 3 测区巴里坤断陷盆地覆盖区基岩面地质图

Figure 3. Geological maps of bedrock surface in covered region of Barkol faulted-basin

下载: 全尺寸图片幻灯片

表 1 测区钻探工作布设

Table 1. Disposition of drill holes in the work area

钻孔号	物探异常	钻探目的
ZK1	重力异常高	揭示第四系、古—新近系厚度、基岩面顶面深度和基岩岩性
ZK2	重力异常高	揭示第四系、古—新近系厚度、基岩面顶面深度和基岩岩性
ZK3	磁力高异常	揭示第四系、古—新近系厚度、基岩面顶面深度和基岩岩性; 磁异常成因
ZK4	重力异常中等	探索孔, 探索拗陷带第四系、古—新近系沉积结构和厚度
ZK5	C线大地电磁低阻层隆起区	揭示第四系、古—新近系厚度、基岩面顶面深度和基岩岩性; 验证标定低阻层隆起区
ZK6	重力异常低	探索孔, 探索第四系覆盖层厚度

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