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四川广元清风峡剖面上泥盆统风暴沉积特征及其古环境意义*
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黄程1,2, 沈宇葳1,2, 文馨3 |
Sedimentary characteristics and its palaeoenvironmental significance of the Upper Devonian storm deposits at Qingfengxia section in Guangyuan City,Sichuan Province
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Huang Cheng 1,2, Shen Yu-Wei 1,2, Wen Xin 3
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四川广元清风峡剖面地层、岩性和风暴岩特征 右侧野外照片中带圈的阿拉伯数字代表风暴岩期次(共6期);风暴沉积柱状图中A-F代表风暴序列中不同沉积单元(A—砾屑段,B—粒序层理段,D—丘状交错层理段,F—水平层理段);岩性柱一列中:M—泥晶灰岩,W—颗粒泥晶灰岩,P—泥晶颗粒灰岩,G—亮晶颗粒灰岩,C—砾屑灰岩 |
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