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沽源-红山子地区是中国北方重要的铀成矿带，红山子岩体位于沽源-红山子铀成矿带北段。在红山子岩体东部上伙房地区，采用地质、地球化学、地球物理多学科综合信息找矿方法开展了找矿工作。利用土壤地球化学和氡气测量手段圈定化探异常并缩小了找矿范围，结合激电异常中高阻高极化特征和地面高精度磁测异常形态，解译了上伙房地区构造格架展布；激电测深进一步揭示了深部异常空间展部形态，可控源音频大地电磁测深解译出更深部成矿有利空间，有效预测了铀钼矿体空间定位，经钻探验证发现多条铀钼矿体。依据勘查结果对各方法进行探索，建立了上伙房地区地质-地球化学-地球物理综合找矿方法及找矿模式，为本地区铀多金属矿勘查提供了找矿方向。
Abstract：The Guyuan-Hongshanzi area is a prominent uranium metallogenic belt in northern China, with the Hongshanzi pluton situated in its northern segment. In the eastern Shanghuofang area of the pluton, an integrated prospecting approach combining geological, geochemical, and geophysical methods was employed. By employing soil geochemistry and radon gas measurement techniques, geochemical anomalies were identified and the exploration area was effectively constrained. These anomalies were further analyzed in conjunction with induced polarization data, highlighting zones characterized by high resistivity and high chargeability, as well as the morphological features of high-precision ground magnetic anomalies. This integrated approach facilitated the interpretation of the structural framework in the Shanghuofang area. Induced polarization sounding provided insights into the spatial configuration of deep-seated anomalies, while controlled-source audio magnetotelluric(CSAMT) sounding delineated favorable zones for mineralization at greater depths, thereby enabling accurate spatial prediction of uranium-molybdenum ore bodies. Drilling validation confirmed the presence of multiple uranium-molybdenum ore bodies. The comprehensive geological, geochemical and geophysical prospecting process and prospecting model in Shanghuofang area were summarized and established, which provided the prospecting direction for uranium polymetallic ore exploration in this area.
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基本信息:
DOI：10.13426/j.cnki.yky.2025.07.11
中图分类号:P619.14;P618.65
引用信息:
[1]王世成,于兵,王常东,等.内蒙古上伙房地区铀钼矿物化探综合找矿方法及找矿模式[J].铀矿冶,2025,44(04):15-26.DOI:10.13426/j.cnki.yky.2025.07.11.
基金信息:
中国核工业地质局铀矿资源调查评价项目(202211-1)