| 王凤刚.铁矿区原有磁法数据再研究：以迁安马兰庄铁矿区深部预测为例[J].地质找矿论丛,2014,29(3):438-444 |
| 铁矿区原有磁法数据再研究：以迁安马兰庄铁矿区深部预测为例 |
| Restudy on the previous magnetic data of iron ore mining districts: a case of iron ore prediction to depth of Malanhuang iron mine in Qianan country of Hebei province |
| 投稿时间：2013-03-12 修订日期：2013-06-13 |
| DOI：10.6053/j.issn.1001-1412.2014.03.020 |
| 中文关键词: 马兰庄铁矿床 深部找矿 小波多尺度分解 磁法异常 河北省 |
| 英文关键词:Malanzhuang iron deposit ore prospecting to depth multi-scale resolution of small waves magnetic anomly Eest Hebei province |
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| 中文摘要: |
| 在老矿区重新开展物探测量，往往受到许多干扰和限制，而利用以往物探数据进行数据处理，推断深部存在矿体的可能性，不失为一种有效的研究思路。文章以河北迁安马兰庄铁矿区为例，将原有磁法数据进行化极、小波多尺度分解、上延、功率谱计算场源近似深度等处理，预测在已探明铁矿体的下方还有磁性体存在；经验证钻孔证实，深部确有厚大的磁铁矿体，为老矿山新增了地质储量，研究成果成为利用以往磁法勘探资料寻找深部厚大铁矿体的成功实例。 |
| 英文摘要: |
| Re-conduct of geophysical survey in old iron mining districts is limited and disturbed by many factors. Restudy and re-procession of their previous magnetic data for inferring possible iron ore bodies to depth is a new thought. Malanzhuang iron mine is such an example. Reduction to pole, multi-scale resolution of small waves, up-extension, proximate depth calculation of field source by power hierarchy are carried out on its previous magnetic data and the results show that magnetic bodies may occur beneath the proven iron ore bodies. It is verified by drilling and big and thick magnetite ore bodies are hit to depth thus the iron ore reserves is increased. |
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