Re: a figure of 20% copper was mentioned
in response to
by
posted on
Nov 04, 2015 07:36PM
Combining Classic Mineral Exploration with State of the Art Technology
Partial reference, and I think exclusive of the Lavender pit.
"Production within the mine came to a halt in 1975 following more than a decade of declining ore grade. Ore production had reached as low as four percent."