...eozoic Era )和中生代(Messozoic Era)的分界线：准确地说是 古生代 的二迭纪(Permian Period)和中生代的三迭纪(Triassic Period)的分界线；距今..
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南盘江地区二、三迭纪碳酸盐角砾岩分布广泛。
The carbonate breccias exist widely in the Nanpan river area during the Permian and Triassic periods.
与邻区地层对比的结果，石碌群的时代属石炭纪，三棱山组的时代应属二迭纪。
As a result of correlation with the strata of the neighbouring area, TheShilu Group is known as the deposit of Carboniferous, and the SanlingshanFormation should be formed in Permian.
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