RE:Just Thinking Out Loud"Benification..currently being performed in Aussie Labs, testing the chalcocite which is currently 79 % cu.grade is being tested in reducing down the cu. grade to 30 % cu.grade which meets the World Smellters for theit Mill flotation circuits."
What? ^^^^^
They are not talking about reducing the cu grade as this is absolute nonsense; no copper smelter wants LOWER grade material vs higher grade material. Nonsense.