Page 295 - Annual Report 2020
P. 295
Copper
Ore Reserves
As at 30 June 2020 As at 30 June 2019 Strategic Report
Proved Reserves Probable Reserves Total Reserves Reserve BHP Total Reserves Reserve
Commodity Life Interest Life
Deposit (1) (7) (8) (9) Ore Type Mt %TCu %SCu ppmMo Mt %TCu %SCu ppmMo Mt %TCu %SCu ppmMo (years) % Mt %TCu %SCu ppmMo (years)
Copper Operations
Escondida (10) Oxide 77 0.64 − − 129 0.55 − − 206 0.58 − − 58 57.5 228 0.60 − − 58
Sulphide 3,420 0.70 − − 1,790 0.57 − − 5,210 0.66 − − 5,420 0.65 − −
Sulphide Leach 1,330 0.42 − − 326 0.41 − − 1,660 0.42 − − 1,670 0.42 − −
Cerro Colorado (11) Oxide 29 0.58 0.42 − 6.0 0.58 0.42 − 35 0.58 0.42 − 3.4 100 41 0.58 0.42 − 4.3
Supergene Sulphide 14 0.57 0.17 − 4.0 0.63 0.15 − 18 0.58 0.17 − 24 0.61 0.15 −
Transitional Sulphide 12 0.51 0.10 − 1.6 0.51 0.09 − 14 0.51 0.10 − 17 0.49 0.10 − Governance at BHP
Spence (12) Oxide 31 0.61 0.42 − 0.11 0.95 0.63 − 31 0.61 0.42 − 36 100 21 0.63 0.42 − 46
Oxide Low Solubility 9.9 0.68 0.29 − 0.59 0.56 0.31 − 10 0.67 0.30 − 14 0.68 0.28 −
Supergene Sulphide 100 0.62 0.10 − 6.6 0.43 0.08 − 107 0.61 0.10 − 131 0.64 0.13 −
Transitional Sulphide 22 0.67 0.05 100 0.51 0.53 0.04 60 23 0.66 0.05 95 20 0.67 0.06 100
Hypogene Sulphide 615 0.46 0.02 180 694 0.46 0.02 130 1,310 0.46 0.02 150 1,310 0.45 0.02 160
ROM − − − − − − − − − − − − 0.74 0.65 0.06 −
Copper Uranium Gold Operations Mt %Cu kg/tU 3 O 8 g/tAu g/tAg Mt %Cu kg/tU 3 O 8 g/tAu g/tAg Mt %Cu kg/tU 3 O 8 g/tAu g/tAg Mt %Cu kg/tU 3 O 8 g/tAu g/tAg
Olympic Dam (13) UG Sulphide 210 1.92 0.58 0.74 4 238 1.85 0.56 0.65 4 448 1.88 0.57 0.69 4 43 100 537 1.87 0.57 0.71 4 54
Low-grade − − − − − 25 0.86 0.29 0.34 2 25 0.86 0.29 0.34 2 24 0.99 0.33 0.40 2
Copper Zinc Operations Mt %Cu %Zn g/tAg ppmMo Mt %Cu %Zn g/tAg ppmMo Mt %Cu %Zn g/tAg ppmMo Mt %Cu %Zn g/tAg ppmMo Remuneration Report
Antamina (14) Sulphide Cu only 137 0.92 0.12 6 350 108 0.97 0.15 8 330 245 0.94 0.13 7 340 7.7 33.75 266 0.97 0.16 7 370 8.8
Sulphide Cu-Zn 69 0.89 2.09 13 80 94 0.82 2.18 13 80 163 0.85 2.14 13 80 202 0.82 1.97 15 70 Directors’ Report
Financial Statements
6
Additional information
BHP Annual Report 2020 293 Shareholder information
