| 变质作用分类的历史回顾和新的试行分类雏议 |
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| 引用本文： | 沈其韩,耿元生.变质作用分类的历史回顾和新的试行分类雏议[J].岩石学报,2009,25(8):1737-1748. |
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| 作者姓名： | 沈其韩 耿元生 |
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| 作者单位： | 中国地质科学院地质研究所,北京,100037 |
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| 基金项目： | 中国地质调查局工作项目"1∶500万变质地质图的编制与研究"资助 |
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| 摘 要： | 根据变质作用分类研究的历史回顾和最新进展,本文介绍了一个试行的、较系统的变质作用分类方案,可分为局部性的变质作用和区域性的变质作用两个大类9个类型.局部性的变质作用包括以下5个类型:(1)接触变质作用,包括热变质作用、接触交代变质作用和高热变质作用3个亚类;(2)低-中-高温动力变质作用,包括低-中-高温韧性剪切带变质作用和温压递进逆冲断层变质作用2个亚类;(3)冲击变质作用;(4)水热变质作用;(5)燃烧变质作用.区域性的变质作用可分为以下4个类型:(6)早前寒武纪克拉通基底变质作用-低中压-中高温区域变质作用,可分为5个亚类,分别是低-中压角闪岩相变质作用、低-中压麻粒岩相变质作用、低-中压角闪岩相-麻粒岩相变质作用、低-中压绿片岩相-角闪岩相递增的变质作用和区域超高温麻粒岩相变质作用;(7)造山带变质作用,可分为3个亚类,分别是低温-低压区域动力变质作用、碰撞造山变质作用和深俯冲高压-超高压区域变质作用;(8)埋深变质作用;(9)洋底变质作用.
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| 关 键 词： | 接触变质作用 动力变质作用 冲击变质作用 造山带变质作用 早前寒武纪克拉通变质作用 埋深变质作用 洋底变质作用 |
| 收稿时间： | 3/1/2009 12:00:00 AM |
| 修稿时间： | 5/1/2009 12:00:00 AM |
Review on the classification of metamorphism types and suggestion of a new tentative classification |
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| SHEN QiHan and GENG YuanSheng.Review on the classification of metamorphism types and suggestion of a new tentative classification[J].Acta Petrologica Sinica,2009,25(8):1737-1748. |
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| Authors: | SHEN QiHan and GENG YuanSheng |
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| Institution: | Institute of Geology, Chinese Academy of Geology Sciences, Beijing 100037, China |
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| Abstract: | Based on a history review of the advancement in classification of the metamorphism types, this paper has proposed a tentative and systematic classification of types of metamorphism. Metamorphism can be divided into two great types: Local and regional metamorphism, each of which involves 4 or 5 types. Local metamorphism is divided into the following five types: (1) contact metamorphism which includes three subtypes, i.e.thermal metamorphism, contact metasomatic metamorphism and pyro-metamorphism; (2) low-medium-high temperature dynamic metamorphism involving two subtypes such as low-medium-high temperature ductile shear zone metamorphism and temperature- and pressure-increasing thrust metamorphism; (3) impact (or shock) metamorphism; (4) hydrothermal metamorphism; (5) burn metamorphism. Regional metamorphism is divided into the following four types; (6) Early Precambrian craton metamorphism or low-medium pressure to medium-high temperature regional metamorphism which include five subtypes: low-medium pressure amphibolite facies metamorphism, low-medium pressure granulite facies metamorphism, low-medium pressure amphibolite facies-granulite facies metamorphism, low-medium pressure greenschist to amphibolite facies progressive metamorphism and regional ultrahigh temperature granulite facies metamorphism; (7) orogenic metamorphism including three subtypes: i.e.low-temperature-low-pressure regional dynamic metamorphism, collision metamorphism and deep subduction zone high-ultrahigh pressure metamorphism; (8) burial metamorphism; and (9) ocean-floor metamorphism. |
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| Keywords: | Contact metamorphism Dynamic metamorphism Impact (or shock) metamorphism Orogenic metamorphism Early Precambrian craton metamorphism Burial metamorphism Ocean-floor metamorphism |
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