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舒兰盆地位于依兰—伊通裂谷中段,为半地堑盆地,依兰—伊通裂谷为盆地的边缘断裂,控制了盆内白垩系及新近系含煤地层沉积。盆内存在多种与右行走滑相关的构造形迹,如雁列正断层带,“梳状”构造和花状构造等。分析认为舒兰盆地属走滑拉张盆地,沉积和沉降中心偏向于主干断裂一侧,为冲积扇和扇三角洲沉积,盆地中心以湖泊沉积和浊流沉积为主,扇三角洲前缘是聚煤的良好场所。
The Shulan Basin is located in the middle of the Yilan-Yitong rift, and is a half-graben basin. The Yilan-Yitong rift is the marginal fault of the basin, controlling the sedimentation of Cretaceous and Neogene coal-bearing strata within the basin. There are a variety of structural features associated with the right-lateral strike slip in the basin, such as the Yanzheng normal fault zone, the “comb” structure and the flower-shaped structure. The analysis shows that the Shulan Basin belongs to the strike-slip extension basin. The sedimentary and sedimentation centers are located on the main fault side, and are alluvial and fan delta sediments. The center of the basin is mainly lacustrine sedimentation and turbidity flow deposition. The fan delta front is poly Good place.