The Weining age of Carboniferous period in Tongling area is a transgressive one.

铜陵地区石炭纪威宁期存在潮坪相、泻湖相和浅海陆棚相.

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The metamorphic ages of the eclogites are largely 320～220 Ma ( Carboniferous period to Triassic period ).

榴辉岩的变质年龄集中在320～220Ma ( 石炭纪-三叠纪 ) 之间.

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