In order to clarify the prospecting direction and achieve a breakthrough, 1:10 000 soil geochemical survey and natural heavy sand survey were carried out in Kundelezalag area, and the geochemical characteristics of 10 elements such as tungsten, tin, lead and zinc in the soil and the heavy mineral characteristics of natural heavy sand were preliminarily summarized. Correlation analysis is used to analyze the symbiotic combination of elements. The geochemical elements in the area are Pb-Zn-Ag-Cu and Sn-W-Mo-Bi, in which Sn is the most enriched and differentiated, and the peak value of Sn content is more than 300×10-6。 23 kinds of heavy minerals, such as cassiterite, garnet, ilmenite and zircon, were identified through natural heavy sand survey, and the genesis of tin polymetallic deposits in the mining area was preliminarily identified through the combination characteristics of heavy minerals, cassiterite extension coefficient and geological characteristics. Finally, according to the geochemical characteristics of elements, the distribution and combination characteristics of cassiterite and the metallogenic clues found in the anomaly area, the Cu-W polymetallic prospecting prediction area and Cu-Zn-Sn-W polymetallic prospecting prediction area in the south of Kundli-Zarage are selected.
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