鄂尔多斯盆地早侏罗世富县期沉积演化: 大洋缺氧事件前后陆地气候变化的响应*
李昌昊1,2, 葛禹1,2, 金鑫1,2, 时志强1,2

Sedimentological evolution during the Early Jurassic Fuxian period in Ordos Basin: palaeoclimatic response to Toarcian Oceanic Anoxic Event
LI Changhao1,2, GE Yu1,2, JIN Xin1,2, SHI Zhiqiang1,2
鄂尔多斯盆地榆林安崖剖面富县组沉积剖面及有机碳同位素曲线(同位素及TOC曲线来自 Jin et al ., 2020 ) A—富县组底部杂色泥砾岩或泥质砂砾岩; B—富县组下部黑色页岩层; C—富县组中部岩石颜色突然变化; D—为照片C的局部,显示明显的颜色变化; E—富县组顶部以杂色泥岩与延安组底部厚层状土黄色砂岩分界,延安组底部砂岩之上见薄煤层。N-CIE指碳同位素负偏