| 论利用牙形石色变度值研究碳酸盐岩低级─极低级变质作用 |
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| 引用本文： | 赖旭龙,周汉文,祁士华.论利用牙形石色变度值研究碳酸盐岩低级─极低级变质作用[J].地质科技情报,1995(2). |
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| 作者姓名： | 赖旭龙 周汉文 祁士华 |
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| 作者单位： | 中国地质大学 |
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| 摘 要： | 牙形石色变度──ＣＡＩ值是一项有效的古地温指标，它不但可以帮助确定低级－极低级变质碳酸盐岩的最高变质温度，而且可以判别变质类型。本文在介绍牙形石ＣＡＩ值研究现状及低级－极低级变质作用研究现状的基础上，对运用ＣＡＩ值进行低级－极低级碳酸盐岩的研究进行了综述及探讨。
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| 关 键 词： | 牙形石CAI值，碳酸盐岩，低级－极低级变质作用 |
STUDY OF LOW-VERY LOW GRADE METAMORPHISM OF CARBONATE BY CONODONT COLOUR ALTERNATION INDEX(CAI) |
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| Lai Xulong, Zhou Hanwen, Qi Shihua.STUDY OF LOW-VERY LOW GRADE METAMORPHISM OF CARBONATE BY CONODONT COLOUR ALTERNATION INDEX(CAI)[J].Geological Science and Technology Information,1995(2). |
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| Authors: | Lai Xulong Zhou Hanwen Qi Shihua |
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| Abstract: | Experimental and field date have confirmed Colour Alternation Index(CAI) of conodont as a semi-quantitative thermal index to the regimes of regional and contact metamorphism, and hydrothermal alternation. After a review of both conodont CAI and low-very low grade metamorphism research, this paper discusses how to use CAI to study low-very low grade metamorphism of carbonate and its metamorphic temperature and types. |
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| Keywords: | conodont CAI carbonate low-very low grade metamorphism |
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