There is a JORC for the surface gold at Morning Star Mine of Inferred 80,000 oz, but I don't believe they intend on mining this any time soon as its only 2g/t.
Week 46 Wrap: Copper hits 2mth low as Trump threatens net zero pace; US rally fades; HotCopper’s picks
AN1 CuFe sells its Crossroads gold royalty to Northern Star for $4M cash; says better than waiting for mine launch