Ann: Higher Grade Core Confirmed at Cortadera, page-45

Thanks for pointing out the Albion process. OK, maybe my ignorance is showing through here because I have assumed that when CE said "low grade sulphide leach options" he was referring to heap leaching. Thanks for mentioning Glencore's Albion process. I'm reading into it now and noted this:

"A bulk sulphide concentrate would be delivered as slurry to the Albion Process TM Plant." I wonder whether low grade sulphide ore would be economic to process into concentrate slurry. I don't know so perhaps my assumption that it isn't might be wrong. I am just guessing that 0.05% sulphide ore is not economic to concentrate otherwise grade wouldn't matter would it?

https://www.glencoretechnology.com/en/technologies/albion-process