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Work situation and effect analysis of green prospecting in Qinghai province-Duocai integrated exploration area as example

LUO Changhai;LI Fujun;MA Deqing;QIAO Jianfeng;YUN Qicheng;Qinghai Geological Survey;fifth of Geology and Mineral Exploration Institute of Qinghai Province;  
Qinghai as a big ecological province is one of the provinces in China to carry out green prospecting earlierly.Duocai integrated exploration area is one of the 11 green prospecting demonstration areas in2016 in Qinghai Province.The summary and analysis of the Duocai integrated exploration area show that green exploration technology can be applied in high altitude areas with poor natural conditions and fragile ecological environment.The technology,such as substitution of drilling for trenching,modularized drilling rig and multi-hole drilling with one rig can reduce number of roads that must be opened and backfilling and reclaimation of trenches resulted in smaller impact on the ecological environment.Compared with troditional prospecting the influenced area by the green prospecting is only 1/8 of that by the trodiyional.The ecological recovery is valued at 45.8 million yuan(RMB).It is worth popularizing in the whole province.
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