You see these rocks possess mylonitic texture which is characterized by relatively coarse-grained, augen-shaped feldspar and surrounding fine-grained quartz and mica. all of the minerals show oriented arrangement.
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释义
你看这些岩石都具有糜棱结构,表现为相对较粗的眼球状长石颗粒被细小的石英和云母颗粒所包绕,所有这些矿物均定向排列。
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