Gold mine size
Mines in the million- to five-million ounce category are considered large. Mines larger than that are considered rare. Anything above twenty million ounces is deemed not only rare, but a huge deposit.
Goldthinker is of the opinion that OYM is in the "multi-million ounce category".
1066UK had a pertinent request: "Roll-on the resources updates".
Yes, that will help to gauge more accurately the OYM's size.