Asking the Bard your same question 1 ...
No, Mount Keith never had massive sulfide mineralization.
The Mount Keith orebody is a disseminated nickel sulfide deposit, which means that the nickel sulfide minerals are evenly distributed throughout the rock. Massive sulfide deposits, on the other hand, are characterized by large, irregularly shaped bodies of sulfide minerals.The Mount Keith orebody is thought to have formed from the hydrothermal alteration of mafic volcanic rocks.
The hydrothermal fluids that circulated through the rocks were rich in nickel, sulfur, and other metals, and these metals precipitated out of solution to form the nickel sulfide minerals.The Mount Keith orebody is one of the largest nickel sulfide deposits in the world, and it has been mined since the early 1970s. The mine is currently owned and operated by BHP Billiton.
Ann: MTD025 Extends Nickel Mineralisation, page-1043
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