The New Insights and Prospecting Significance of Overall Structural Features of Hatu Gold Belt
Received date: 2015-12-01
Revised date: 2016-01-04
Online published: 2016-05-30
Located in Western Junggar area,Hatu gold mine is the largest gold mine in Xinjiang Autonomous Region,China.In the past years,a large number of geological data were gathered and stored.In the relevant material,the three large faults,Hatu,Anqi and Daerbute are called minerogenetic structure,ore controlling structure,or conducting structure in almost all the relevant geological data.However,the author affirms that actually there is no gold mineralization,alteration phenomenon and occurrence of gold orebody in those faults.The breccia,crushed rock,schistose and other materials in the fault zone has experienced strong compression.The gold in the fault zone was not mineralized or altered and the existence of the gold ore is merely the result of mineralization of fault tectonic.The previous researchers have made these mistakes,including mis-clipping or displacing the Hatu gold belt,which has made things more complicated.Based on the occurrence and offsetting conditions of those three mineralization faults’ structure,the gold belt’s original state was restored,which proved that the Hatu gold belt’s original state is a large wedge ore body that trends NEE,NNW direction,extending about 70 km SN and more than 100 km EW.In the late period it was truncated and offset by the large faults Hatu,and Anqi belts.These interactions have made Hatu gold belt form the imbricated structure and NEE,NNW direction.According to this general structural pattern,the author can scientifically guide and predict the direction and scheme of mineralization,the prospecting of each gold deposit and ore spots of the Hatu gold belt.To be more specific,the author found out that the center of wedge ore body,with Hatu gold deposit(or a little inclined to east) which belongs to Western Gold Group as its center,has maximum single layer thickness and higher grade,with the best prospecting and mining prospects,lying in the center of the original large wedge-shape ore;the author also found out that the south Daerbute ore belt especially the eastern area which is on the topside of the wedge ore body,has the gold veins in small and medium size and with a larger number,there fore more small and medium-sized mines should be prospected;the author found out that the northern Hatu belt locates on the lowermost portion of the wedge ore body,and the veins are fewer and poor,therefore the prospecting potential and hope is little.
JI Guangjian , ZHANG Yonglin , JI Yanxiang , MA Guopeng , SHUAI Banglin . The New Insights and Prospecting Significance of Overall Structural Features of Hatu Gold Belt[J]. Gold Science and Technology, 2016 , 24(2) : 29 -36 . DOI: 10.11872/j.issn.1005-2518.2016.02.029
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