SoutlieastHunan,locatedonthewestfringeofsoutheastixwaRegionofChina(ChenGuoda,1977),isthemetallogenicbeltofrichsilverdepositinHunanprovince,whichfeaturcstlicmultip1egcncsismetallogencsisofthreecharacteristicsandtbreemu1tipliciticslI.Threecharacteristicsl.Centralizationofitsformationageandspace(l)Asfo