-
COPPER: Excelsior files updated PFS for Gunnison in situ project
ARIZONA – Excelsior Mining Corp. of Vancouver has filed an updated prefeasibility study for its Gunnison in situ copper development project 100 km southeast of Tucson. The update was done after Excelsior acquired the adjacent Johnson Camp copper mine and…
-
Excelsior updates Gunnison prefeasibility
A staged production approach at Excelsior Mining’s (TSXV: MIN) Gunnison project in southeastern Arizona would slash upfront capital costs and lower financing risk, while delivering a post-tax internal rate of return of more than 26%, even at today’s low copper prices…
-
COPPER: Excelsior updates PFS for Gunnison in situ project
ARIZONA – Vancouver-based Excelsior Mining Corp. has updated the prefeasibility study for the North Star copper deposit at its Gunnison project in Cochise County. The PFS was updated to reflect the company’s recent acquisition of the Johnson Camp mine and…