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花岗岩研究正面临一场革命

A REVOLUTION IS UNDERWAY IN GRANITE RESEARCH

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【作者】 张旗陈万峰王玉玺李承东王金荣焦守涛

【Author】 ZHANG Qi;CHEN Wan-feng;WANG Yu-xi;LI Cheng-dong;WANG Jin-rong;JIAO Shou-tao;Institute of Geology and Geophysics, Chinese Academy of Sciences;Key Laboratory of Mineral Resources in Western China(Gansu Province), School of Earth Sciences, Lanzhou University;The Third Instituteof Geology and Mineral Exploration, Gansu Provincial Bureau of Geology and Mineral Exploration and Development;Engineering Technology Research Center for Exploration and Comprehensive Utilization of Metal and Precious Metal Mineral Resources of Gansu Province;Tianjin Institute of Geology and Mineral Resources;Development Research Center,China Geological Survey;Technology Innovation Center of Geological Information, Ministry of Natural Resources of the People’s Republic of China;

【机构】 中国科学院地质与地球物理研究所兰州大学地质科学与矿产资源学院,甘肃省西部矿产资源重点实验室甘肃省地矿局第三地勘院甘肃省金属贵金属矿产资源勘查与综合利用工程技术研究中心天津地质矿产研究所中国地质调查局发展研究中心自然资源部地质信息工程技术创新中心

【摘要】 花岗岩是一门古老的学科,花岗岩非常复杂。目前的花岗岩研究存在危机,危机表明花岗岩需要革命。花岗岩革命以什么为标志?内容是什么?核心是什么?有哪些新奇的概念?这些都是需要认真回答的问题。本文认为,花岗岩革命有三个任务:首先,花岗岩革命的前提,最重要的是:岩浆岩类要解体,花岗岩类要独立,花岗岩理论要摆脱对玄武岩理论的依赖。其次,花岗岩要根据自己不同于玄武岩的特点创立花岗岩新的理论体系。花岗岩的新理论不同于现行的花岗岩理论,花岗岩新理论即花岗岩的变成论,可以用一句话予以概括:花岗岩来自变质岩的深熔作用,熔体与残留相处于平衡,变质岩与花岗岩具成因联系和因果关系,变质岩为母,花岗岩为子。新理论赞同花岗岩四阶段模式,即花岗岩的形成包括了从产生到形成到上升和侵位四个阶段(本文稍作修改的版本)。按照花岗岩的旧理论,许多问题非常费解;而按照新理论,许多费解的难题几乎迎刃而解了,如花岗岩上升的驱动力问题和花岗岩侵位的巨大空间占位问题等。第三,重新界定研究花岗岩的作用和意义。旧理论认为研究花岗岩是为了解决花岗岩形成的构造环境;新理论则认为是下地壳填图。下地壳填图是一个崭新的问题,是根据花岗岩与变质岩的关系引申出来的,它回答了“为什么要研究花岗岩”“研究花岗岩有什么用”这两个学术界关心的问题,是花岗岩研究的真正的前沿。板块构造是地球科学史上无与伦比的一场深刻的革命,花岗岩新理论的建立可能开启了板块构造以后的又一场深刻的革命,它所波及的层面及所带来的影响目前还很难预计。花岗岩新理论才刚刚崛起,许多问题正在探索中,还有太多的问题是我们不清楚的。花岗岩革命,任重而道远。未来充满新奇,每一个想法可能都是创新,虽然困难肯定不少。

【Abstract】 Granite is an ancient discipline and granite is extremely complex. There is a crisis in current granite research, which indicates that granite needs a revolution. What are the signs, contents, and core of the granite revolution? What are the new and novel concepts? These are the questions that need to be answered. This article believes that the granite revolution has three tasks: firstly, the premise of the granite revolution, the most important thing is that the magmatic rock class needs to be dismantled, the granite class needs to be independent,and the granite theory needs to break away from the dependence on the basalt theory. Secondly, granite should establish a new theoretical system based on its characteristics that are different from basalt. The new theory of granite is different from the current theory of granite. The new theory of granite is the granitisation theory of granite, which can be summarized in one sentence: granite comes from anatexis g of metamorphic rocks, and the melt and residual are in equilibrium. Metamorphic rocks and granite have causal and genetic relationships, with metamorphic rocks as the mother and granite as the child. The new theory supports the four-stage model of granite, which includes four stages from generation to formation to ascent and emplacement(a slightly modified version in this article). According to the old theory of granite, many problems are very puzzling, but according to the new theory, many puzzling problems are almost solved, such as the driving force of granite ascent and the huge space occupation of granite emplacement. Thirdly, redefine the role and significance of studying granite. The old theory believes that studying granite is to solve the problem of the tectonic environment of granite formation.The new theory believes that it is a problem of mapping the lower crust. Mapping the lower crust is a brand-new problem, which is derived from the relationship between granite and metamorphic rocks. It answers the two questions that the academic community is concerned about: "why study granite" and "what is the use of studying granite". It is the true forefront of granite research. Plate tectonics is an unprecedented profound revolution in the history of Earth science. The establishment of the new theory of granite may open up another profound revolution after plate tectonics. The level and impact it will bring are still difficult to predict. The new theory of granite has just emerged, and many problems are still being explored, and there are too many questions that we are not sure about. The granite revolution is a heavy responsibility and a long way to go. The future is full of novelty, and every idea may be innovative, although there are certainly many difficulties.

【基金】 自然资源部深地科学与探测技术实验室开放课题(Sinoprobe Lab:202211);国家重点研发计划项目“基于地质云的地质灾害基础信息提取与大数据分析挖掘(2018YFC1505501)”;国家重点研发计划项目“基于地质云平台的深部找矿知识挖掘(2016YFC0600510)”;国家自然科学基金项目“大数据环境下的滑坡危险性评估模型构建方法研究(41872253)”;中国地质调查局项目“地球科学数据集成与服务(DD20221785)”;甘肃省科技计划(22YF7GA050);甘肃省青年人才项目(2020RCXM152);中央引导地方科技发展资金项目(YDZX20216200001297)
  • 【分类号】P588.121
  • 【下载频次】18
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