The Ore Reserves and Mineral Resources estimates for Tropicana are updated on an annual basis. AngloGold Ashanti and Regis Resources Limited provide full details of these estimates, including the applicable JORC statements, on their websites: www.anglogoldashanti.com and www.regisresources.com.au.
December 31, 2021 Mineral Resources (100% Project Basis)
Area
Classification
Tonnes
(Millions)
Gold (g/t)
Contained Au
(Millions oz)
Open Pit
Measured
26.2
0.83
0.70
Indicated
29.5
1.46
1.39
Inferred
0.9
0.96
0.03
Total
56.7
1.16
2.11
Underground
5.8
2.81
0.52
3.1
3.03
0.30
22.8
2.63
1.93
31.7
2.70
2.75
32.0
1.18
1.22
32.5
1.61
1.69
23.8
2.57
1.96
88.3
1.71
4.86
December 31, 2021 Ore Reserves (100% Project Basis)
Category
Proved
12.1
1.15
0.45
Probable
15.6
1.97
0.99
27.7
1.43
2.2
2.88
0.20
0.3
3.36
2.5
2.94
0.23
14.2
1.41
0.65
15.9
1.99
1.02
30.2
1.72
1.67
The information in this report that relates to Mineral Resources estimates was based on information compiled by Mr Mark Kent, a full-time employee of AngloGold Ashanti Australia Limited, who is a member of the Australasian Institute of Mining and Metallurgy. Mr Kent has sufficient experience relevant to the type and style of mineral deposits under consideration, and to the activity which has been undertaken, to qualify as a Competent Person as defined in the 2012 edition of the JORC Code. Mr Kent consented to the release of the Mineral Resource estimated, based on the information in the form and context in which it appears in this report.