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用于详细地图、平面图和地质剖面图的图形符号 第6部分:接触岩和经历交代转变、气化转变或液热转变或风化转变岩的表示法
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文摘
Provides a series of graphical symbols to represent rocks which have originated as the result of contact metamorphism or other effects. The symbols are divided into four groups which are shown in the table: a) contact rocks; b) metasomatic transformation; c) pneumatolytic and hydrothermal processes; d) weathering processes.

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