在这一地区有哪些种类的区域变质岩?。
What kinds of regional metamorphic rocks are present in the area?
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。
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.
变质岩类型：区域变质、接触变质和动力变质。
Types of metamorphic rocks: regional metamorphism, contact metamorphism and dynamic metamorphism.
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。
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.
蔷薇辉石矿床的形成主要经历了沉积期和区域变质期两大阶段。成因类型属变质岩型低温变质相蔷薇辉石矿床。
The rhodonite deposit was for- med mainly through two stages, sedimentation and regional metamorphism, and its genetic type belongs to epithermal metamorphic facies.
蔷薇辉石矿床的形成主要经历了沉积期和区域变质期两大阶段。成因类型属变质岩型低温变质相蔷薇辉石矿床。
The rhodonite deposit was for- med mainly through two stages, sedimentation and regional metamorphism, and its genetic type belongs to epithermal metamorphic facies.
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