Characteristics and prospecting potential of tin polymetallic deposits in Yunshan Mining Field,Jiangxi
In recent years,significant progress has been made in studying the relationship between Yunshan com-plex rock mass and tin mineralization in Yunshan Mining Field,but major breakthroughs in finding large-scale tin polymetallic deposits have yet to be achieved.Tin mineralization in the mining field primarily occurs in the contact zones of Yunshan complex rock mass,such as rock intrusions,rock tongues,concave valleys of rock mass,and NNE faults.The main types of deposits formed are contact metasomatic type,magmatic hydrothermal type,and metamorphic hydrothermal type.Among these,the contact metasomatic type and magmatic hydrothermal type deposits are character-ized by considerable orebody thickness,intense alteration,and high grades.Currently,several small tin deposits have been discovered in the Yunshan Mining Field,with orebodies found in the contact zones of the rock mass and NNE faults.Many areas within the mining field exhibit similar mineralization conditions,suggesting that increased geological exploration efforts could lead to significant breakthroughs in prospecting.
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