| 华中高压变质带中蓝晶石黄玉岩的特征及与白片岩的对比 |
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| 引用本文： | 刘雅琴,张树业,康维国.华中高压变质带中蓝晶石黄玉岩的特征及与白片岩的对比[J].吉林大学学报(地球科学版),1992(2). |
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| 作者姓名： | 刘雅琴 张树业 康维国 |
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| 作者单位： | 长春地质学院地质系
(刘雅琴，张树业)，长春地质学院地质系(康维国) |
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| 摘 要： | 华中高压变质带中的蓝晶石黄玉岩系指一套富含铝质矿物的岩石,其矿物组合为蓝晶石+钠云母士白云母,蓝晶石+黄玉士石英,蓝晶石+蓝刚玉士硬绿泥石,蓝品石+白云母+石英等.化学成分富铝而贫镁。原岩为一套铝质粘土岩—砂岩.形成的温压条件为P=1.0～2.0GPa,T=650～900℃.其成分与典型的白片岩有所不同。故称为“类白片岩”.白片岩类是地壳物质俯冲到地幔深度的指示剂,从而证明华中高压变质带是古陆内板块裂开、碰撞、俯冲的产物。
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| 关 键 词： | 蓝晶石黄玉岩 类白片岩 华中高压变质带 古陆内板块碰撞 |
CHARACTERISTICS OF KYANITE-TOPAZ ROCKS AND THEIR COMPARISON WITH WHITE-SCHIST IN THE HIGH-PRESSURE METAMORPHICBELT IN CENTRAL CHINA |
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| Liu Yaqin Zhang Shuye Kang Weiguo.CHARACTERISTICS OF KYANITE-TOPAZ ROCKS AND THEIR COMPARISON WITH WHITE-SCHIST IN THE HIGH-PRESSURE METAMORPHICBELT IN CENTRAL CHINA[J].Journal of Jilin Unviersity:Earth Science Edition,1992(2). |
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| Authors: | Liu Yaqin Zhang Shuye Kang Weiguo |
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| Institution: | Department of Geology |
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| Abstract: | |
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| Keywords: | kyanite-topaz rock quesi-whiteschist high - pressure metamorphic belt continental collision Central China |
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