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General industrial requirements for platinum group metal ores
Deposit type
Metal species
Boundary grade 2
Industrial grade 2
Block grade
Minimum recoverable thickness (m)
Stone removal thickness (m)
Primary deposit
Ultrabasic rocks containing copper and nickel deposits
Pt+Pd
Pt: Pd = 4:1
Pt
Pd
0.3~0.5
0.25~0.42
12.5~2.1
≥0.5
≥0.42
≥2.10
1.0
0.84
4.2
1~2
≥2
Associated deposit 1
Pt, Pd
0.03
Os, Ir, Ru, Rh
0.02
Sand deposit
Loose deposit
Cemented glutenite
Pt+Pd
Pt
Pd
Pt+Pd
Pt
Pd
0.03
0.025
0.125
0.105
0.085~0.42
0.42~2.1
≥0.01
0.085
0.42
1~2
0.84~1
4.2~8.4
0.51
≥1
1 When the index is reached, it is necessary to carry out comprehensive utilization research, how much is calculated; 2 the grade unit of the primary mine is g/t; the grade unit of the sand platinum mine is g/m 3 .