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Host rock: Peridotite
Minerals: 3.57% Ni 0.28 gpt Au
2.91 % Cu 0.73 gpt Pt
0.10% Co 0.47 gpt Pd
Expected yield: 300,000,000 lbs of Ni
250,000,000 lbs of Cu
How do sulfide deposits form?
Cu Ni
PtCo
Pd
Cu Ni
PtCo
PdS
S
S
Magma acquires sulfur from surrounding rock on the way toward the surface
Depletion of metals
Metals and sulfur settle out and form a sulfide deposit
Metals like to bond to liquid sulfur……..