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1 研究区地质图 1—全新统;2—更新统;3—盐源组;4—丽江组;5—中窝组、松桂组并层;6—白土田组;7—白山组;8—盐塘组;9—青天堡组;10—宣威组;11—吴家坪组;12—合山组;13—树河组、阳新组并层;14—峨眉山玄武岩;15—黄龙组;16—坡松冲组、坡脚组、曲靖组、烂泥箐组、干沟组并层;17—龙马溪组、稗子田组并层;18—三叠纪辉长辉绿岩;19—地质界线;20—不整合地质界线;21—性质不明断层;22—逆断层;23—逆冲推覆断层;24—岩盐矿;25—本次研究区

Fig.1 Geological map of the study area 1—Holocene; 2—Pleistocene; 3—Yanyuan group; 4—Lijiang group; 5—combination layer of Zhongwo group and Songgui group; 6—Baitutian group; 7—Baishan group; 8—Yantang group; 9—Qingtianbao group; 10—Xuanwei group; 11—Wujiaping group; 12—Heshan group; 13—Combination layer of Shuhe group and Yangxin group; 14—Emeishan basalt rock; 15—Huanglong group; 16—Combination layer of Posongchong group, Pojiao group, Qujing group, Lanniqing group, Gangou group; 17—Combination layer of longmaxi group and Pizitian group; 18—Triassic gabbro diabase; 19—geological boundaries; 20—unconformity geological boundary; 21—fault of unknown nature; 22—reverse fault; 23—thrust fault; 24—rock salt mine; 25—the research area