Operational Excellence and Sustainability
Strengthening Mineral Resource and Upgradation of Resources to Reserves
HINDUSTAN ZINC
Zinc & Silver of India
Ore Reserves and Mineral Resources (R&R), as on March 31, 2022
(based on Annual R&R audit by SRK (UK))
Total
Total
Total Reserves
Measured and Indicated
Inferred
Hindustan
Zinc Assets
R&R
Metal
Mt
Zn%
Pb%
Ag g/t
Mt
Zn% Pb%
Ag g/t
Mt
Zn%
Pb%
Ag g/t
Mt
Mt
Rampura Agucha
47.0
11.8
1.3
44
10.3
14.7
2.2
64
17.6
6.0
3.6
97
75.0
9.6
Rajpura Dariba
28.9
4.9
1.6
60
5.3
7.1
2.2
71
33.6
6.3
1.9
96
67.8
5.1
Sindesar Khurd
45.4
3.0
2.0
100
43.8
4.0
2.2
111
15.5
3.4
1.9
96
104.7
5.8
Bamnia Kalan
20.0
3.3
1.1
41
19.5
3.5
1.5
47
39.5
1.9
Zawar
37.9
2.8
1.2
23
36.8
3.4
2.0
28
79.3
3.6
2.1
34
154.0
8.0
Kayad
1.9
7.6
0.9
18
2.6
8.0
1.1
21
2.4
6.6
0.9
14
6.9
0.6
Total
161.2
5.9
1.5
58
118.8
4.9
1.9
66
168.0
4.4
2.1
60
447.9
31.1
Mineral resources reported exclusive of ore reserves, reported at variable cut-off grade per mineral asset
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