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The metamorphic rocks in central Kansu has long been made knownby many an earlier geologist working in the area under discussion.Thename Kaolan Series is generally proposed for a group of crystalline rocksin view of its prominent development around the district of Kaolan,the
The metamorphic rocks in central Kansu has long been made known by many an earlier geologist working in the area under discussion. Chename Kaolan Series is generally proposed for a group of crystalline rocks in view of its prominent development around the district of Kaolan, the