经后期区域变质作用使磷块岩变质成磷灰岩矿床。
Through late regional metamorphism, the phosphorite was turned into the apatite deposit.
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.
成因类型属区域变质—变成型矿床。
In genetic classification, it belongs to the regional metamorphic-transform type.
地质及地球化学特征分析表明，该矿床的形成过程可以总结为沉积-火山喷流沉积富集、区域变质富集和岩浆改造成矿等三个步骤。
Its geology and geochemistry indicate that it was formed in three steps which are sedimentary and volcanic-exhalation, regional metamorphism and magmatic metallogenesis.
地质及地球化学特征分析表明，该矿床的形成过程可以总结为沉积-火山喷流沉积富集、区域变质富集和岩浆改造成矿等三个步骤。
Its geology and geochemistry indicate that it was formed in three steps which are sedimentary and volcanic-exhalation, regional metamorphism and magmatic metallogenesis.
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