Lets wait and see what the JT Boyd Concept study says wrt...

Lets wait and see what the JT Boyd Concept study says wrt economics before getting too excited.
The capex burden on the project with drifts and shaft to 300+m will be significant.
Uneconomic coal is still uneconomic coal regardless of it's yield and quality.
And bear in mind that the area of the Mammoth seam;
1. is restricted in to the east of the main fault,
2. forms only 37 Mt (24%) of the total resource of 154 Mt,
3. with the seam thickness of 3.7 to 4.5m they may not be able to recover full seam section with conventional bord and pillar.