We’ve got a special technical chat for the Money Miners with Rob “Refractory” Ryan coming onboard.
We run through all the ins and outs of what refractory ore is, what it means for a project, how investors should think about it, what it does to the capex & opex, plus a bunch of real world operations that’ve had to deal with this type of mineralisation.
All Money of Mine episodes are for informational purposes only and may contain forward-looking statements that may not eventuate. The co-hosts are not financial advisers and any views expressed are their opinion only. Please do your own research before making any investment decision or alternatively seek advice from a registered financial professional.
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(4:26) What is refractory ore + more definitions
(8:29) Different refractory mines in Australia and around the world
(14:17) What are the different mineralogies
(17:26) What are the different processing techniques
(28:40) The failures at Wiluna
(35:40) Are there many other failed attempts?
(39:41) Where has Preg Robbing been an issue?
(42:00) Fosterville refractory processing
(45:57) What does it mean for the opex
(49:15) What happens to the capex?
(51:35) Why do KCGM ultra-fine grind rather than Roast/POX?
(56:45) What does it mean for De Grey?
(1:00:09) Getting to gold (and copper) concentrates
(1:04:07) Cost of shipping concentrate around the world