造山带区1/25万区域地质调查方法

张智勇; 张克信; 于庆文; 龚全胜; 梁云海; 严城民

造山带区1/25万区域地质调查方法

1.
中国地质大学地球科学学院，湖北武汉 430074
2.
中国地质调查局，北京 100035
3.
甘肃地质调查院，甘肃兰州 730050
4.
新疆地质调查院，新疆乌鲁木齐 830000
5.
云南地质调查院，云南玉溪 653100

基金项目: 中地质调查局“中国西部不同类型造山带及非史密斯地层区域1/25万区域地质填图方法研究”

详细信息

作者简介:
张智勇(1964-)高级工程师，中国地质大学（武汉）研究生院在读硕士，古生物学与地层学专业，1985年参加工作，从事青藏高原区域地质调查与研究.E-mail: qhsddy@public.xn.qh.cn

中图分类号: P622.1
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出版历程
- 收稿日期: 2002-03-12
- 刊出日期: 2002-07-25

Method of 1∶250 000 Regional Geological Surveying in Orogenic Belts

1.
Faculty of Earth Sciences, China University of Geosciences, Wuhan 430074, China
2.
Geological Survey Bureau of China, Beijing 100035, China
3.
Institute of Geological Survey of Gansu Province, Lanzhou 730050, China
4.
Institute of Geological Survey of Xinjiang, Urumchi 830000, China
5.
Institute of Geological Survey of Yunnan Province, Yuxi 653100, China

摘要

摘要: 提出我国造山带1/25万填图要以活动论和探索大陆动力学为学术指导思想, 采用多学科相结合的地质填图调查方法, 以构造为纲, 研究总结出造山带大地构造演化各阶段中主要构造单元各岩类区(沉积岩区、岩浆岩区、变质岩区、混杂岩区)岩石建造组合及序列.旨在重点表现造山带的结构、形成、演化及其大地构造基本特点, 尤其侧重其造山过程和现今造山带的三维结构.通过填图实践和造山带填图方法研究, 提出针对造山带区不同岩类区特点应采用不同的地质填图调查方法, 并分别总结了造山带非史密斯地层、造山带沉积盆地、造山带蛇绿岩、造山带中酸性侵入岩、造山带变质岩、造山带三维结构与大地构造演化模式等造山带区典型岩类区和造山带结构地质填图的若干理论与方法.其目的是为我国正在大规模开展的“新一轮国土资源大调查”青藏高原空白区1/25万区域地质调查, 提供一套可供借鉴的系统的造山带区地质填图新理论、新方法, 提高新一轮国土资源大调查造山带区基础地质调查研究程度.
- 造山带 /
- 三维结构 /
- 理论方法 /
- 地质填图
Abstract: The paper suggests that the geological mapping of 1∶250 000 in orogenic area should take the energical theory and continental dynamics as its academic guide idea and the tectonic as the main line with the geological mapping method which combines multi-subjects. It concludes the rock construction and sequence (sedimentary rock province, magmatic rock province, metamorphic rock province, malange province) in the main tectonic units among different tectonic evolution stages in orogenic belts, paying attention to the structure, formation, evolution and basic tectonic characteristics of orogenic belts, especially to the three-dimensional structure in orogenic process and orogenic belts nowadays. From the practice and method studies of geological mapping in seven mapping areas of orogenic belts in west China arranged by Geological Survey Bureau of China during "Ninth-Five-Year plan", we suggest that we should use different geological methods in different rock provinces and summarize some theories and methods about typical rock provinces and textural geological mapping in orogenic belts respectively, such as non-Smith stratigraphy, depositional basins, intrusive igneous rocks, metamorphic rocks, three-dimensional structure and tectonic evolutional model of orogenic belts. The main aim of this paper is to provide some new systematic theories and methods about 1∶250 000 regional geological mapping in blank region of Qinghai-Tibet plateau among "new cycle general survey of land and resources" developed on large scale in China and improve the study of basic geological survey in new cycle general survey of land and resources.
- orogenic belt /
- three-dimensional structure /
- theory and method /
- geological mapping

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图 1 造山带混杂岩区地层调查技术路线

Fig. 1. Technical program for stratigraphy survey in melange area of orogenic belts

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参考文献(11)

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