贵州开阳北部地区陡山沱期磷矿成矿远景预测  

Prediction of the ore-forming prospects of the Doushantuo period phosphate deposit in the north of Kaiyang county,Guizhou,China

作　　者：吴文明[1,2] 杨瑞东 高川黔[1,3] 高军波 陈吉艳[1,3] 王泽鹏[2] 刘建中 彭柔 WU Wenming;YANG Ruidong;GAO Chuanqian;GAO Junbo;CHEN Jiyan;WANG Zepeng;LIU Jianzhong;PENG Rou(College of Resources and Environmental Engineering,Guizhou University,Guiyang Guizhou 550025,China;Geological Brigade 105,Bureau of Geology and Mineral Exploration and Development of Guizhou Province,Guiyang Guizhou 550018,China;Key Laboratory of Karst Georesources and Environment,Ministry of Education,Guizhou University,Guiyang Guizhou 550025,China;Bureau of Geology and Mineral Exploration and Development of Guizhou Province,Guiyang Guizhou 550004,China)

机构地区：[1]贵州大学资源与环境工程学院,贵州贵阳550025 [2]贵州地质矿产勘查开发局105地质大队,贵州贵阳550018 [3]贵州大学喀斯特地质资源与环境教育部重点实验室,贵州贵阳550025 [4]贵州地质矿产勘查开发局,贵州贵阳550004

出　　处：《化工矿物与加工》2025年第2期70-76,共7页Industrial Minerals & Processing

基　　金：国家重点研发计划项目(2023YFC2906604);部省合作试点项目(自然资办函[2023]2247)。

摘　　要：贵州开阳地区是陡山沱期磷矿重要的成矿区,发育的富磷矿约占中国富磷矿的66%。通过区域地质、含磷岩系沉积层序、岩相古地理和洋流方向等综合分析,认为开阳北部陡山沱期为潮下带-潮间带发育区域,上升洋流富磷海水中磷质在该环境沉淀,具有良好的磷矿成矿条件,据此圈定了楠木渡、翁家坝、马家河、中坪和米坪5个成矿预测远景区,这些区域可能存在中到大型、超大型磷矿。Kaiyang area in Guizhou Province is an important mineralization area for the Doushantuo period phosphate deposits,with developed rich phosphate deposits accounting for about 66%of China’s rich phosphate deposits.Through comprehensive analysis of regional geology,sedimentary sequences of phosphate bearing rock series,lithofacies paleogeography,and ocean current direction,it is believed that the Doushantuo period in the northern part of Kaiyang is a development area of subtidal intertidal zone intertidal zone.The phosphorus rich seawater in the upwelling ocean current precipitates in this environment,which has good conditions for phosphate mineralization.Based on this,five mineralization prediction prospect areas,namely Nanmudu,Wengjiaba,Majiahe,Zhongping,and Miping,have been delineated.These areas may have medium to large and super large phosphate deposits.

关 键 词：成矿预测 磷矿 陡山沱期 地质特征 古地理特征 地质找矿 

分 类 号：P619.213[天文地球—矿床学] TD92[天文地球—地质学]