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深层次构造岩中矿物多晶条带的塑性流动及对大陆岩石圈的构造意义

张希道, 翟明国,宋明春,李洪奎, 刘朋瑞,张华锋

Kuangwu Yanshi（2002）

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Abstract
通过深层次构造岩中不同粒度矿物多晶条带塑性流动的比较和形成机理的探讨,得出矿物多晶条带的流度规律:在深层次构造岩中热加工状态下生成的数种矿物多晶条带共生时,其晶粒较小者塑性流动的流度较大.结合单矿物多晶条带的粒度规律得出:在深层次构造岩中由动态重结晶所生成的数种单矿物多晶条带共生时,其中脆韧性转化点温度较高的矿物,其多晶条带的塑性流动的流度较大.根据温压条件由低至高矿物的脆韧性转化序列和岩石圈大陆部分各圈层的主要组成矿物,可知岩石圈大陆部分各圈层的塑性流动具有协调性.
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Key words
Brittle-ductile transformation sequence of the main rock-forming minerals,Deep-level tectonite,Fluidity law,Hot working state,Mineral-polycrystal strip
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