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2019
Application effect of 1∶25 000 stream sediment survey in Dareer area,Qinghai Province
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- Qinghai Geological Survey|No.7 Party of Qinghai Non-ferrous Geological Mineral Resources Exploration Bureau|Qinghai Geological Survey|No.7 Party of Qinghai Non-ferrous Geological Mineral Resources Exploration Bureau|Qinghai Geological Survey|Qinghai Geological Survey
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Abstract:
The Dareer area is located in the East section of East Kunlun ore belt.The geochemical landscape belongs to deep-cut upland grassland-meadow(high and cold) zone landscape on the southern rim of Qaidam Basin.The previous 1∶200 000 and 1∶50 000 stream sediment survey both failed to delineate gold anomaly.After the 1∶25 000 stream sediment survey,2 gold-dominated comprehensive anomalies HS4,HS5 are delineated.According to their geological characteristics,it is deemed these 2 comprehensive anomalies have great prospecting potentials.Verification shows that 7 ore belts and 6 ore bodies are delineated,achieving prospecting breakthroughs in the area.The results show that 1∶25 000 stream sediment survey has good application effect in plateau special geochemical landscapes.
Keywords:
stream sediment survey;landscape geochemistry;comprehensive anomaly;prospecting effect;Dareer area
