Greens Creek touts strong output, longevity
Mine's geologists, engineers adopt new technologies to improve efficiency of underground operation, offset declining ore grades
Last updated 11/25/2007 at Noon
Though owners of the Greens Creek Mine on Admiralty Island 18 miles south of Juneau say the underground operation ore grades have begun declining after some 15 years of production, they estimate the mine will produce commercial quantities of gold, silver, lead and zinc for at least another decade.
"We have 7.6 million tons of reserves left and it gives us 10 more years of production," said M...
For access to this article please
sign in or
subscribe.
Reader Comments(0)