河口昵博铜镍矿土壤地球化学测量数据处理及找矿

The Soil Geochemical Characteristics of Nibo Cu-Ni Polymetallic Deposit in Hekou,Yunnan

昵博铜镍多金属矿位于滇东南地区,大地构造位置属于特提斯―喜马拉雅构造域和环太平洋构造域的交接部位。该区域土壤次生晕测量结果表明,Cu、Fe、Ti、Co、Ni、Cr、V元素背景含量较高,Au、As、Sb、Hg元素背景含量偏低,Au可能来自深源,其分布与反应基性、超基性岩的元素相似。结合矿区地质背景分析并进一步处理土壤次生晕数据,确定区域地球化学背景、元素富集区域及化学异常带,结合地质背景,共划分出两处化学异常带为成矿有利区域,其找矿前景良好。测量数据可为今后进一步的勘查工作提供可靠依据。

Nibo Cu-Ni polymetallic deposit is located in the southeast of Yunnan. The regional structure is handover parts of Tethyan-Himalayan tectonic domain and circum-Pacific tectonic domain. In this paper, the regional soil secondary halo measurement results show that Cu, Fe, Ti, Co, Ni, Cr, V element background content is higher, Au, As, Sb, Hg element background content is low, Au may come t^om deep source, its distribution and reaction base resistance, ultrabasic rock similar elements. With the analysis on mining area geological background and further to the soil secondary halo data processing, it can be make sure that the regional geochemical background, element enrichment area and chemical anomaly zone. Combined with the geological background, It can be divided into two chemical anomaly zone where is for the favorable metallogenic region. The prospecting prospect is good. The measurement data can provide reliable basis for future exploration work.