I think you are correct and beat me to it! When and how they do this is up for debate (staggered plant upgrade, new plant, use other existing plants in area for gold only etc) but the good thing is the company has many many options to production.
I think from the webinar AB is emphasising they want to build their ounces up such that Ricciardo is at least 1.5Moz (if I heard correctly) Au before they start looking at this in detail from a production point of view - simply put they are not actively shopping around yet - let the market come to them whilst they drill and prove up a significant size (hence the excitement of a potential 8Moz gold at Golden Range).
Good Morning @Yevgeny, My understanding is that the current mill will need to be upgraded to add a separate antimony processing eventually. Flotation and/or Gravity Separation circuit to be added/modified to existing plant.
Don't forget though as per the last release the Gold and Sb are within 3 domains at Ricciardo and a lot of the Sb is localised separately from the Gold or high grade Gold (domain 2) which essentially is located in "waste dirt" which will improve costs due to strip ratio etc.
From the last release:
You can see from the above figures why the company (and shareholders!) are excited for further higher grades and widths
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