张恩,汪冰,王瑞军,卢辉雄.基于MORPAS的证据权重法在沽源盆地铀成矿预测中的应用[J].地质找矿论丛,2013,28(4):540-545
基于MORPAS的证据权重法在沽源盆地铀成矿预测中的应用
An application of MORPAS-based weight evidence method to uranium metallogentic prognosis in Guyuan basin
投稿时间:2013-02-27  修订日期:2013-05-16
DOI:10.6053/j.issn.1001-1412.2013.04.007
中文关键词:  MORPAS  证据权重法  铀矿  成矿预测  沽源盆地  河北省
英文关键词:MORPAS  evidence weighting method  uranium ore  metallogenic prediction  Guyuan basin  Hebei province
基金项目:河北省国土资源厅地勘基金(编号:20110018)资助。
作者单位
张恩 核工业航测遥感中心, 石家庄 050002 
汪冰 核工业航测遥感中心, 石家庄 050002 
王瑞军 核工业航测遥感中心, 石家庄 050002 
卢辉雄 核工业航测遥感中心, 石家庄 050002 
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中文摘要:
      文章在对沽源盆地内的地质、物化探等信息与铀成矿的关系进行深入分析的基础上,借助MORPAS平台,对区内各控矿要素定量化,利用GIS的空间分析功能提取了断裂Buffer、潜火山岩Buffer、航磁异常等在内的16个证据图层,并将研究区划分为1 km×1 km大小的9 562个单元,利用证据权重法对研究区铀矿进行预测,圈定了3级成矿远景,为该区进一步找矿指出了方向。
英文摘要:
      Based on probing the relationship of geological, geophysical and geochemical information of Guyuan basin to uranium mineralization in Guyuan basin, quantification of each ore-control factors in the basin is carried out by means of MORPAS platform. And 16 evidence layers such as fracture buffer, subvolcanic rock buffer and magnetic anomaly are extracted and constructed through spatial analysis of the MORPAS system. The research area has been divided into 9562 units with 1 km×1 km for each unit. Uranium potential is calculated by evidence weight model and 3 class targets are located thus put forward the prospecting direction for further exploration of uranium ore in the basin.
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