Integration of Borehole Data and 3D Geological Modeling of the Huangling Area on the Southern Margin of the Ordos Basin Based on joint Coal-Uranium Explorations
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http://dcc.cgs.gov.cn/cn//geologicalData/details/doi/10.35080/data.H.2020.P21
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The Huangling area on the southern margin of the Ordos Basin boasts great potential for uranium mineralization. China Geological Survey has organized and implemented 3D geological survey of the uranium-bearing rock series in this area to seek prospecting target areas of in-situ leachable sandstone-hosted uranium deposits. During the survey, the data of the coalfield boreholes were developed and utilized again to determine exploration areas under the guidance of new ideas of joint coal-uranium explorations and joint petroleum-uranium explorations. As a result, the data of 354 coalfield boreholes (49 potential sandstone-hosted uranium ore boreholes) and 21 verified uranium ore boreholes (16 industrial uranium mineralization boreholes) were acquired and a database was created accordingly. Furthermore, a thematic result atlas and a 3D geologic model were established, which mainly constitute the database. The thematic result atlas includes the isoline maps of stratum thickness, sand body thickness, the burial depth of the roof and floor, sand content and radioactive anomalies of the uranium-bearing rock series. Therefore, the database will provide active support and service for the exploration and development of uranium deposits.
鄂尔多斯盆地南缘黄陵地区具有优异的铀成矿潜力。中国地质调查局组织实施了该区域含铀岩系的三维地质调查工作,旨在探寻可地浸砂岩型铀矿床的找矿靶区。本次调查依托煤铀兼探、油铀兼探的全新勘查理念,复用煤田钻孔数据以圈定勘查范围。最终共获取354个煤田钻孔(其中包含49个潜在砂岩型铀矿钻孔)及21个验证型铀矿钻孔(其中16个为工业铀矿化钻孔)的数据,并据此建立了配套数据库。此外,项目还构建了专题成果图集与三维地质模型,二者共同构成本数据集的核心内容。其中专题成果图集涵盖含铀岩系的地层厚度等值线图、砂体厚度等值线图、顶底板埋藏深度图、砂含量分布图以及放射性异常分布图。本数据库将为铀矿床的勘查与开发提供有力的支撑与服务。
提供机构:
Geoscientific Data & Discovery Publishing System
创建时间:
2020-09-09



