根据重力资料定性与定量解释银川平原断裂体系
刘城, 杨宇山, 刘天佑, 朱丹, 安百州

Qualitative and quantitative interpretation of fracture system in Yinchuan plain based on gravity data
Cheng LIU, Yu-Shan YANG, Tian-You LIU, Dan ZHU, Bai-Zhou AN
图1 银川平原区域地质概况(改自《宁夏回族自治区区域地质志》)
1—第四系全新统、更新统;2—新近系中新统;3—古近系渐新统;4—白垩系;5—侏罗系;6—上三叠统;7—中三叠统;8—下三叠统;9—二叠系;10—上石炭统和下二叠统;11—石炭系;12—奥陶系;13—寒武系;14—古元古代英云闪长岩;15—主要断裂;16—黄河
Fig.1 Regional geology of Yinchuan plain (from Regional geology of the Ningxia Hui Autonomous Region)
1—Holocene and Pleistocene;2—Miocene;3—Oligocene;4—Cretaceous;5—Jurassic;6—upper Triassic;7—middle Triassic;8—lower Triassic;9—Permian;10—lower Permian and upper Carboniferous;11—Carboniferous;12—Ordovician;13—Cambrian;14—Proterozoic quartz diorite;15—main fracture;16—the Yellow River