陈巴尔虎旗胡列也吐渔场一带土壤的地球化学特征

Soil geochemical characteristics in Hulieyetu-fishing ground region of Chen Barag Banner

为探寻内蒙古陈巴尔虎旗胡列也吐渔场一带矿产资源,在该地区开展1∶5万土壤地球化学测量工作。5 796件土壤样品经元素相关参数的特征统计后,按其不同地质背景置于五个地质子区,再次开展元素相关参数的特征统计。结果表明:研究区为Au、Ag贵金属的重要成矿区域,区内侏罗系满克头鄂博组、白音高老组是Au的主要成矿母源层,而Ag的富集主要受断裂系统所控制,与期后热液有关。

This paper is focused on exploring the basis underlying the geological exploration in Hu- lieyetu-fishing ground region of Chen Barag Banner Inner Mongolia. The exploration is performed by geo- chemical survey of 1：50 000 soil in the region, counting the relevant parameter characteristics of element of 5 796 soil samples; and dividing five geologic sub-region according to the different geological back- ground and counting the relevant parameter characteristics of element again in each it. The results reveal that the study area occurs as an important mineral-forming areas with precious metals such as Au and Ag; Jurassic manketouebo group and baiyingaolao group are the main metallogenic source of Au, but Ag pres- ents itself with the concentration dominated by fracture system and is related to hydrotherm after period.