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Gold/Mining/Energy : Chesapeake Gold -- Ignore unavailable to you. Want to Upgrade?

To: klinker who wrote (8592)12/13/2020 5:02:16 PM
From: stuffbug  Read Replies (1) | Respond to of 9054
 
No autoclaves?

My guess is maybe down the road.
From the presentation:

Chesapeake to initially target higher grade massive intrusive ore as sulfide heap leach mine
* Massive intrusive represents the highest grade portion of the Metates deposit
... – 205mt @ 0.75 g/t Au, 14.6 g/t Ag

The 900 mt of resources at a much lower gold grade may not be amenable to this sulfide heap leach technology right now.
But advances and improvements over the next 10 years could change that.



To: klinker who wrote (8592)12/13/2020 5:29:53 PM
From: klinker  Respond to of 9054
 
OK already mentioned the autoclaves....

add savings in reagent costs

and fine grinding costs might well entail a less complicated mill design...



  • Avoids high reagent consumption, fine grinding or autoclaves used in other pre-oxidation processes - the presentation



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