攀西中元古结晶片岩系遭受了前进区域变质作用。
The middle Proterozoic crystalline schist series in the Panzhihua-Xichang region has undergone progressive regional metamorphism.
攀西中元古结晶片岩系遭受了前进区域变质作用。
The middle Proterozoic crystalline schist series in the Panzhihua-Xichang region has undergone progressive regional metamorphism.
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