RE:Tolling Mou Pine Cove does not have a gravity circuit but they do have the equipment as It was used to treat the bulk sample from the Goldboro project.
NFG Mett results involved a gravity circuit.
Gravity circuits are pretty simple to install at a plant site and there's lots of room at Pine Cove.
Now, I don't know what else would be involved in the $1.5 m upgrade to the Pine Cove mill but it might just be that gravity circuit.
Just an analytical guess , mind you..