燕子沟
燕子沟-
燕子沟金矿床位于四川甘孜州丹巴县，永西穹窿核部。
Yanzigou gold deposit is located in Yongxi dome core of Ganzi Danba county in Sichuan province .
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四川丹巴燕子沟金矿位于川西高原，地处大渡河上游的自然保护区，生态环境脆弱。
Yanzigou gold mine in Danba is located in western Sichuan plateau and the up stream of nature reserve area of Dadu River , where the ecological environment is very vulnerable .