Geochemical Characterisics And Anomaly Evaluation Of Stream Sediments In Xiaoshan In Henan Provence

The study area which is one of the important gold producing area in henan province and even the whole country is located in the Southern Margin of the North China Block, small qinling mountains in the west, southeast to bear ear mountain. Western partition formation belongs to the formation of north China area, involving bear ear mountain village and such- QueShan village, crystal base for too vautrin metamorphic core complex, cover of RMB in the ancient world bear ear group. Regional metallogenic geological conditions are better now find the minerals of commercial value, mainly gold, copper and lead time, silver, zinc, tungsten, etc., non-metallic minerals such as barite and sulfur. Based on the 1:50 000 stream sediment samples collection, 12 detection element content, Mapgis charting, divided into 31 comprehensive anomaly, which class a comprehensive abnormal 13, comprehensive anomaly 5 b, class c synthesis anomaly 13. Through the anomalies, found three mineralized points. A and b comprehensive anomalies mainly related to the small rock body in yanshan period, and with the regional geological tectonic line distribution in the same direction, shows the important prospecting information. Ore-forming geological conditions analysis, data based on the comprehensive study of minerals have been discovered, in total circle six metallogenic prediction area, including two metallogenic forecasting area; Secondary ore-forming prediction area 2; Level 3 metallogenic forecasting area 2.