鄂西—湘西北地区二叠纪栖霞期岩相古地理*
, 陈代钊Lithofacies palaeogeography of the Qixia Age of Permian in western Hubei-northwestern Hunan Provinces
Wei Hengye1, 2 , Chen Daizhao1
, Chen Daizhao
鄂西—湘西北地区二叠纪栖霞期岩相古地理* |
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韦恒叶, 陈代钊 |
Lithofacies palaeogeography of the Qixia Age of Permian in western Hubei-northwestern Hunan Provinces |
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Wei Hengye
, Chen Daizhao |
| 外缓坡相泥质灰岩与灰泥石灰岩互层照片（A—深灰色泥质灰岩与灰色薄层状灰泥石灰岩互层,发暗色的岩石为泥质灰岩,代表静水沉积,发白的岩石为灰泥石灰岩,是风暴悬浮沉积物,指示较深的静水环境中周期性受到风暴的影响,是外缓坡环境,桑植剖面;B—A图中的泥质灰岩,含薄壳腕足类化石,富含有机质,单偏光;C—A图中的灰泥石灰岩,单偏光） |
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