| 桐柏—大别山高压超高压变质带 |
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| 引用本文： | 张泽明,游振东.桐柏—大别山高压超高压变质带[J].地球科学,1994,19(1):1-7. |
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| 作者姓名： | 张泽明 游振东 |
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| 作者单位： | 中国地质大学地质系 武汉430074 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 桐柏—大别山高压超高压变质带自南向北可划分为３个带：绿帘－蓝片岩相变质带，高压榴辉岩相变质和超高压榴辉岩相变质带，超高压变质带形成于加里东期洋壳俯冲作用过程中，而前两个高压变质带则是印支期陆－陆俯冲－碰撞作用的产物。
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| 关 键 词： | 变质带 榴辉岩 蓝片岩 桐柏－大别山 |
High-Pressure and Very High-Pressure Metamorphic Belt of Tongbai-Dabie Area, Central China |
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| Zhang Zeming,You Zhendong,Han Yujing.High-Pressure and Very High-Pressure Metamorphic Belt of Tongbai-Dabie Area, Central China[J].Earth Science-Journal of China University of Geosciences,1994,19(1):1-7. |
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| Authors: | Zhang Zeming You Zhendong Han Yujing |
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| Abstract: | High-pressure and very high-pressure metamorphic rocks in Tongbai-Dabie area may be classi-f ied into three belts f rom south to north; the epidote-blueschist facies, high-pressure eclogite facies and very high-pressure eclogite facies belts. The latter was formed by subduction of oceanic crust north-ward beneath the North China plate or the Dabie micro-plate during the Caledonian orogeny. The for-mer two were formed by subduction-collision between the North China plate and Yangtze plate in Tri-assic time. At least two times of high- pressure metamorphism occurred in the Tongbai-Dabie orogen. |
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| Keywords: | metamorphic belt eclogite epidote-blueschist Tongbai-Dabie Central China |
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