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李嵩.地面岩石波谱测试找矿综合研究——以山西灵丘地区为例[J].地质通报,2017,(8):1467-1475.
地面岩石波谱测试找矿综合研究——以山西灵丘地区为例    点此下载全文
李嵩
山西省地质调查院, 山西 太原 030006
基金项目:山西省地勘基金项目《山西省灵丘银铜铅锌钼成矿区遥感地质调查》(编号:晋国土资发[2012]232号)
DOI:
摘要:
      结合区域地质背景,从实测岩矿波谱出发;对实测波谱进行预处理,建立实测波谱库;以岩矿波谱特征理论为指导,以实测样本波谱特征为参照,分析不同矿物波谱具有的特征谱与诊断谱,通过野外岩石样品岩矿鉴定,利用多元线性拟合的方法,从实测波谱中反演氧化物含量,其结果可靠。采用克里金插值法对研究区氧化物进行插值,利用分形理论提取各氧化物异常;采用异常叠加法得到研究区异常集中区。结合化探异常及地质背景,提取了研究区31个找矿远景区。
关键词:波谱  分形  找矿  山西灵丘
A comprehensive study of the surface rock spectrum test:A case study of Lingqiu area in Shanxi Province    Download Fulltext
LI Song
Geological Survey of Shanxi Province, Taiyuan 030006, Shanxi, China
Fund Project:
Abstract:
      Combined with the regional geological background and starting with the measured spectrums of rocks and minerals, the author first made pretreatment of the measured spectrum and, on such a basis, established the measured spectral library. With the rock and mineral spectral characteristics theory as a guide and the spectral characteristics of the measured sample as the reference, an analysis of different mineral spectrum has a characteristic spectrum and diagnostic fault spectrum; through the rock and mineral identification of the field rock samples, the multiple linear regression method is used for inversion of oxide content from the measured spectrum. The result is reliable. Within the study area oxides are interpolated by Kriging interpolation method, the fractal theory is used for ex-traction of oxide anomaly; with the abnormal superposition method, the anomalous concentration area in the study area is extracted; combined with geochemical anomalies and geological background, 31 ore-searching prospective areas are delineated in the study area.
Keywords:spectrum  fractal  prospecting  Lingqiu in Shanxi Province
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