Geophysical Anomaly Verification And Prospecting Potential Evaluation Of Yemaquan East In Qimantage Area,Qinghai Province

Many large and middle scale deposits have been discovered in Qimantage region,such as Galinge,Sijiaoyang-niukutou and Yemaquan large deposits,as well as middle scale deposits such as Kendekeke and Tawenchahan.Qimantage region is one of the most important and ideal metallogenic regions in Qinghai Province.Among them,Yemaquan region is a representative of Iorn-dominated polymetallic deposit ore-forming region in Qimantage region.The geographical climate,road traffic,external environment and development conditions of this area are relatively superior,and the prospecting effect and results are very good.This paper takes eastern Yemaquan as the research area,which includes not only the large-scale Galinge Fe polymetallic deposit and Sijiaoyang-Niukutou deposit,but also the northern part of Heijians han and eastern Galinge,which are covered by a large area of desert,with little intensity,of anomaly investigation and no mining rights.Based on the analysis of the regional geological background,metallogenic geological conditions and metallogenic laws,the types of regional deposits are determined,and the geological model of prospecting in Qimantage metallogenic belt,prospecting criteria in Sijiaoyang-Niukutou area and regional geological-geophysical characteristics of Galinge skarn type Fe deposit are tentatively proposed.On this basis,the research area is roughly divided into four parts.According to the existing exploration results and the 1:50000 gravity results in the north of Heijianshan,further research is carried out.It is proposed that the low geomagnetic anomaly in Galinge region,which has a shallow verification depth and is not verified in the east part,has a good prospecting prospect.In Sijiaoyang-Niukutou region,attention should be paid to the exploration of deep deposits and hydrothermal exhalative sedimentatio of Cu - Co deposits.Understanding and achievements such as the designation of one favorable ore-forming section in the northern Heijianshan area can provide scientific basis for the search for a breakthrough in ore prospecting in this area.