Geochemical characteristics and prospecting prediction in the Wusuturu area,southern Daxinganling
Wusu Tulu area is located in the southern section of the Daxinganling,and many important deposits have been found in its adjacent areas,which has great prospecting potential,but the basic geological and mineral investigation degree in the area is generally low.On the basis of correlation and factor analysis of elements in 5543 samples of 1∶50000 stream sediment,the distribution,allocation,symbiotic association of elements and geochemical characteristics of main geological units are analyzed.The results show that:Ag,Sn,As,Sb,Bi,Pb and other elements are enriched or strongly enriched,especially in the Lower Permian Shushangou Formation,Dashizhai Formation and Late Jurassic granite area,while Cu,Au,V are relatively depleted.The ore-forming ele-ments in this area are unevenly distributed,and Sn,Ag,W,Mo,Pb,Zn,Cu and other elements in the Permian Shoushougou Formation,Dashizhai Formation,Jurassic Manketou Ebo Formation and Late Jurassic granite background area are differentiated to extremely differentiated distribution,and there are local areas of enrichment or even strong enrichment,which is more conducive to mineralization.Therefore,it can be determined that Cu,Pb,Zn,Ag,Sn and Au are the main ore-forming elements or associated ore-forming elements,Mo,W,Bi,Sb,As and V are the ore-forming indicator elements,and the main ore-forming types are hydrothermal type and contact metasomatism type,which are mainly related to medium-acidic magmatic intrusion.According to the metallogenic geological background,geochemical anomaly and the spatial distribution of mineralization(mineralization)points,5 prospective prospecting areas are delineated and verified by engineering.
geochemical characteristicsfactor analysisprospecting predictionWusuturu areasouthern Da Hinggan Ling
万方数据
维普
