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对华北中元古代海侵初期“河流相”沉积的重新认识:以天津蓟县剖面为例
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钟焱1,2, 赵亮东1,2, 陈留勤1,2, 梅冥相1,2 |
New understanding of “fluvial facies” deposition of the early transgression period of Mesoproterozoic: An example from Jixian section in Tianjin
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Zhong Yan 1,2, Zhao Liangdong 1,2, Chen Liuqin 1,2, Mei Mingxian g 1,2
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燕山地区常州沟组早期岩相古地理图(据王长尧,1986,有修改)(1—中低山区;2—低山丘陵区;3—冲、洪积扇;4—山间盆地;5—河流主流线;6—河流流向;7—山间急流河—巨砾岩长石杂砂岩相区;8—山间急流河—细砾岩石英杂砂岩相区;9—长石;10—地名) |
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