The shallow quartzporphyry is ore-bearing massif and the deep granite porphyry is ore-origimating one.
浅部石英斑岩为含矿岩体，深部花岗斑岩为矿源岩体。
2
Ludousou gold deposits belong to fractured altered rock-type gold deposit, produced in Dewulu quartz diorite and Ludousou quartzporphyry contact zone.
录斗艘金矿床属破碎蚀变岩型金矿，产于德乌鲁石英闪长岩与录斗艘石英闪长斑岩接触带附近。
3
Consistence between isotopic model age of lead ore and intrusion age of quartzporphyry shows close relations among structure movements, magmatism and mineralization in Stage of Yenshan.