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.
变质元素通过对石墨生长界面的直接作用，改变石墨的生长方式，影响石墨的结晶形貌。
Modifying elements directly affect the growth interface of graphite and change its growth mode which leads to different morphologies of graphite crystals.
北喜马拉雅变质-花岗岩带与高喜马拉雅结晶岩相比，从变质作用到岩浆活动均有很大的相似性。
Compared the metamorphism and magmatic activity with the high Himalayan crystalline rocks, the north Himalayan metamorphic-granite belt bears strong similarities with the high Himalayan belt.
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