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地质通报  2009 

中美合作东昆仑造山带地质填图的启示:填图理念与填图方法

, PP. 1411-1418

Keywords: 中美合作填图,填图方法,填图理念,东昆仑造山带

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Abstract:

在中美合作东昆仑造山带地质填图实践的基础上,结合美国地质调查局(USGS)最近完成的地质填图实例的对比分析,初步总结和探讨了美国的地质填图方法和填图理念。结果表明,尽管地球物理和3S技术在地质填图中的应用不断推陈出新,但是地质填图理念、地质填图方法和地质报告风格自USGS成立以来未曾改变。“对所有地质实体按岩性进行划分和详细填图”的地质填图理念伴随USGS走过了130年曲折而艰难的历程。“地质现象引导地质路线”的填图方法是美国地质填图长期采用的方法,但应用于澳大利亚厚层风化壳和加拿大冰雪覆盖区的高精度地球物理填图方法并没有应用到造山带地质填图中,而遥感技术成为造山带基岩区填图的重要技术支撑。美国基岩区高效的地质填图速度并不能用高精度地球物理和遥感技术的应用来解释,已有地质成果的继承与利用、填图工作模式、填图与科学研究的合理定位、简明地质报告和GIS的地质应用才是决定地质填图速度的关键因素。

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