the announcement means from 1,102,445,229 tonnes of JORC, there is 302,387,324 tonnes of saleable coal.
In other words, at 15mtpa, the mine life is 20 years.
In other words, when the coal is beneficated and processed, the output will be 18.59% available for export and 37.87%.for domestic and the rest waste matter.
Thus, on 15mpta, 5m tonnes is available for export and 10m tonnes for domestic.