盐源盆地重力异常解释推断及成盐远景区预测

陈挺, 严迪, 余舟, 瞿辰, 冉中禹, 邱隆君

The interpretation and inference of gravity anomaly and the prediction of salt formation prospect in Yanyuan basin

CHEN Ting, YAN Di, YU Zhou, QU Chen, RAN Zhong-Yu, QIU Long-Jun

图4 盐井沟盐矿剖析图 1—第四系未分一、二级阶地河漫滩和冲、洪、坡积层;2—第四系第三级阶地冲、洪积层;3—新近系昔格达组;4—新近系红崖子组;5—三叠系盐塘组;6—下三叠统青天堡组;7—中二叠统乐平组;8—喜山期煌斑岩;9—辉长-辉绿岩脉;10—地质界线;11—不整合界线;12—断裂;13—产状;14—钻孔及编号;15—AMT剖面及编号

Fig.4 Analysis diagram of salt mine in Yanjing river 1—the Quaternary is not divided into first and second-class terraces, alluvium, diluvium and slope sediments; 2—Quaternary third-stage terrace,alluvium and diluvium; 3—Neogene Xigeda group; 4—Paleogene Hongyazi group; 5—Triassic Yantang group; 6—early Triassic Qingtianbao group; 7—upper Permian Leping group; 8—Himalayan lamprophyre; 9—gabbro diabase; 10—geological boundaries; 11—unconformity boundary; 12—fracture; 13—occurrence; 14—drill hole and serial number; 15—AMT profile and serial number