ZhaoJinggou Nb-Ta deposit was discovered in 1967.After a series of exploration, a summary report of preliminary exploration of ZhaoJinggou Nb-Ta deposit was submitted. The detail exploration was carried out in this mineral aera in 2010.The deposit was sited in the middle part of the northern margin of north China platform, YinShan lifted block and north wing of Daqingshan anticlinorium. A series of metamorphose rocks of Proterozoic to Neoproterozoic were widely distributed in this area. Nb-Ta veins intruded into the structural fissure of dark grey pebbled metamorphic sandstone of Middle Carboniferous Shuanmazhuang Formation. Through verification of deep drilling, it exsited a larger decalcified feldspathized granodiorites and albite granites, which had a relationship with the formation of these veins. The intensity of albitization determined the grade of Nb-Ta minerals.And albitization caused the richment of other rare elements, which had a comprehensive utilization value. Based on the detailed exploration, the Zhaojinggou deposit should have a good mineralize perspective, which may exist the large alkaline albite lithium mica granite Nb-Ta deposits in deep or outer-ring of mining area.
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