From memory core samples revealed an area with around 2.5%...

From memory core samples revealed an area with around 2.5% nickel. They will mine the highest grade possible on startup to maximise cash flow.
You read about the attempt to make a deal with Bluestone tin to use their unused processing facilities? Bluestone wanted all the profit so the deal has been abandoned.
Its a much smaller plant than the one being built, but had a reasonable deal been made, it would have given AGM startup cashflow. But no big deal really.