Its wall rocks consist of the regional metamorphic rock, series of Mayuan formation and middle-lower Carboniferous series as well as lower Jurassic Lishan formation.
其围岩有麻源组和中下石炭统的区域变质岩系及下侏罗统梨山组地层等。
Xikang Group is widely exposed on the West Sichuan Plateau and was considered to be a low greenschist facies metamorphic rock due to regional low-temperature dynamometamorphism.
川西高原广泛分布的西康群，原视为区域低温动力变质作用低绿片岩相变质岩。
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