i-80 Gold reports positive Granite Creek underground feasibility study
i-80 Gold said its feasibility study for the Granite Creek underground gold project is positive, with after-tax NPV(5%) of $118M at $2,750/oz Au, rising to $598M at $4,500/oz Au, and announced initial mineral reserves.
TORONTO, Sept. 21, 2026 // -- i-80 GOLD CORP. (NYSE: IAUX) (TSX:IAU) ("i-80 Gold", or the "Company") announced the results of a feasibility study for the high-grade Granite Creek underground gold project. S.
dollars.