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METALLOGENIC CONDITIONS OF GOLD DEPOSITS AND ORE-PROSPECTING DIRECTION IN THE SOUTHEASTERN XIUNING-SHEXIAN AREA

JΙΝ Min;Public Geological Survey Management Center of Anhui Province;  
The southeastern Xiuning-Shexian area is an important gold polymetallic metallogenic belt in south Anhui,dominated by quartz vein and structural altered rock type gold deposits,which mainly occur in Neoproterozoic gneissic granite and the Jingtan Formation of rhyolitic metavolcanic rock and are controlled by NE-trending faults.The faults formed by the Yanshanian left-lateral motion control rocks and minerals in the area,and the Yanshanian granite emplaced along the faults are the source of ore-forming material and hydrothermal fluid.Auriferous altered rock type gold deposit with siliconized and greinsenized fracture zone affected by magmatic hydrothermal fluid is the major target for gold exploration and assessment in the area in the future.
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