准噶尔盆地二叠系上乌尔禾组退覆式扇(辫状河)三角洲前缘-滩坝复合砂砾岩沉积特征及控制因素<sup>*</sup>

准噶尔盆地二叠系上乌尔禾组退覆式扇(辫状河)三角洲前缘-滩坝复合砂砾岩沉积特征及控制因素^*

郭文建¹, 郭瑞婧², 唐勇¹, 纪友亮², 马铮涛², 刘笑语², 梁涛², 马玉龙²

Sedimentary characteristics,controlling factors and genesis of retrogradational fan(braided)delta front-beach bar composite gravel body in the Permian Upper Urho Formation in Junggar Basin

GUO Wenjian¹, GUO Ruijing², TANG Yong¹, JI Youliang², MA Zhengtao², LIU Xiaoyu², LIANG Tao², MA Yulong²

上乌尔禾组J206井砾质滩坝沉积岩心照片深度4071.16~4078.18 m