In the northwest of China, auriferous altered cataclasite, adular-sericite quartz vein and quartz reef types are present, and metallogenetic epoch is mainly Hercynian period.
西北部地区主要有蚀变碎裂岩型、冰
-
云母英脉型和英脉型等，成矿
代主要为海西期；
In the northwest of China, auriferous altered cataclasite, adular-sericite quartz vein and quartz reef types are present, and metallogenetic epoch is mainly Hercynian period.
西北部地区主要有蚀变碎裂岩型、冰-云母英脉型和英脉型等，成矿代主要为海西期；
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