Xifanping porphyry copper deposit has been subjected to oxidation and secondary sulfide enrichment.There is a blankets of chalcocite in the porphyry copper system.

• 通过对3000余米岩芯的观察研究,发现西范坪斑岩铜矿床存在完整的氧化带,氧化剖面由上向下可以分为氧化带、次生富集带和原生带。