银川平原基于地球物理资料三维建模的深部地质构造研究

陈晓晶, 虎新军, 李宁生, 安百州, 白亚东

Research on the deep geological structure in Yinchuan Plain: 3D modeling based on geophysical data

Xiao-Jing CHEN, Xin-Jun HU, Ning-Sheng LI, Bai-Zhou AN, Ya-Dong BAI

图1 银川平原地质构造 1—全新统上部风积层;2—全新统湖沼积层;3—全新统下部风积层;4—全新统灵武组;5—上更新统马兰组;6—上更新统水洞沟组;7—上更新统洪积层;8—新近系干河沟组;9—新近系彰恩堡组;10—古近系清水营组;11—下白垩统宜君组;12—下白垩统庙山湖组;13—中侏罗统直罗组;14—中侏罗统延安组;15—上三叠统上田组;16—上三叠统大风沟组;17—中三叠统二马营组;18—下三叠统刘家沟与和尚沟并层;19—下三叠统刘家沟组;20—上二叠统孙家沟组;21—中上二叠统上石盒子组;22—中二叠统下石盒子组;23—下二叠统山西组;24—上石炭统羊虎沟组;25—上石炭统靖远组;26—上泥盆统中宁组;27—中上奥陶统米钵山组;28—下中奥陶统天景山组;29—中寒武统胡鲁斯台组;30—中寒武统陶思沟组;31—中元古代王全口组;32—中元古代黄旗口组;33—古元古代赵池沟岩群;34—古元古代宗别立岩组;35—古元古代宾布勒岩组;36—古元古代英云闪长岩;37—古元古代黑云母花岗岩;38—地质界线;39—推测地质界线;40—不整合界线;41—岩相界线;42—重要断层;43—隐伏断层;44—活动断层

Fig.1 Geological structure map of Yinchuan Plain 1—Upper Aeolian deposits of Holocene;2—Lacustrine deposits of Holocene;3—Lower Aeolian deposits of Holocene;4—Lingwu formation of Holocene;5—Malan formation of Upper Pleistocene;6—The tunnel ditch formation of Upper Pleistocene;7—Diluvium layer of Upper Pleistocene;8—Ganhegou formation of Neogene;9—Zhangenbao formation of Neogene;10—Qingshuiying formation of Paleogene;11—Yijun formation of Lower Cretaceous;12—Miaoshanhu formation of Lower Cretaceous;13—Zhiluo Formation of Middle Jurassic;14—Yan'an formation of Middle Jurassic;15—Shangtian formation of Upper Triassic;16—Dafengou formation of Upper Triassic;17—Ermaying formation Middle Triassic;18—Liujiagou and shanghegou coalbed of Lower Triassic;19—Liujiagou formation of Lower Triassic;20—Liujiagou formation of Lower Triassic;21—Upper Shihezi formation of Middle Upper Permian;22—Lower Shihezi formation of Middle Permian;23—Shanxi formation of Lower Permian;24—Yanghugou formation of Upper Carboniferous;25—Jingyuan formation of Upper Carboniferous;26—Zhongning formation of Upper Devonian;27—Miboshan formation of Middle Upper Ordovician;28—Tianjingshan formation of Lower Middle Ordovician;29—Hulustai formation of Middle Cambrian;30—Taosigou formation of Middle Cambrian;31—Wangquankou formation of Middle Proterozoic;32—Huangqikou formation of Middle Proterozoic;33—Zhaochigou group of Ancient Proterozoic;34—Zongbieli Rock group of Paleoproterozoic;35—Binbulite formation of Paleoproterozoic;36—Tonalite of Paleoproterozoic;37—Biotite granite of Paleoproterozoic;38—Geological boundary;39—Inferred geological boundary;40—Unconformity boundary;41—Lithofacies boundary;42—Important fault;43—Concealed fault;44—Active fault