Triassic Period
South Tianshan: a Late Paleozoic or a Triassic orogen?
南天山: 晚古生代还是三叠纪碰撞造山带?
—— 给力词典精选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。
—— 给力词典精选