Reserves & Resources 2018 As at December 31, 2018

  • Ag
  • Au
  • Cu
  • Sb
2018

Total Company Mineral Reserves

Category Ag
(cont. koz)
Au
(cont. koz)
Sb
(cont. kt)
Proven Reserves 292 22 3.1
Probable Reserves 7,511 802 14.2
Proven and Probable Reserves 7,803 824 17.2

Total Company Mineral Resources
Inclusive of Mineral Reserves

Category Ag
(cont. koz)
Au
(cont. koz)
Sb
(cont. kt)
Cu
(cont. klb)
Measured Resources 421 70 9.8
Indicated Resources 39,871 1,415 31.0 459,000
Measured and Indicated Resources 40,292 1,487 40.8 459,000
Inferred Resources 10,255 356 9.5 13,000

Click here for complete notes to the Company’s Mineral Resource and Reserve estimates.

Costerfield 2018 Dec. 1

  • Au
  • Sb
2018 Dec. 1

Costerfield Mineral Reserves

Category Ore
(kt)
Sb Grade
(%)
Sb.
(cont. kt)
Au Grade
(g/t)
Au
(cont. koz)
Proven Reserves 76 4.0 3.1 8.4 20
Probable Reserves 461 3.1 14.2 10.8 160
Proven and Probable Reserves 537 3.2 17.2 10.4 180

Costerfield Mineral Resources Inclusive of Mineral Reserves

Category Resource
(kt)
Sb Grade
(%)
Sb
(cont. kt)
Au Grade
(g/t)
Au
(cont. koz)
Measured Resources 245 4.0 9.8 8.5 67
Indicated Resources 1,073 2.9 31.0 8.2 283
Measured and Indicated Resources 1,319 3.1 40.8 8.3 351
Inferred Resources 497 1.9 9.5 8.0 128

Björkdal 2018 Year-end

  • Au
2018 Year-end

Björkdal Open-pit Mineral Reserves

Category Ore
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Proven Reserves
Probable Reserves 3,768  1.23 149
Proven and Probable Reserves    3,768  1.23 149

Björkdal Underground Mineral Reserves

Category Ore
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Proven Reserves
Probable Reserves 4,754 2.36 360
Proven and Probable Reserves    4,754 2.36 360

Björkdal Norrberget Open Pit Mineral Reserves

Category Ore
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Proven Reserves
Probable Reserves 162 2.8 15
Proven and Probable Reserves    162 2.8 15

Björkdal Stockpile Mineral Reserves

Category Ore
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Proven Reserves
Probable Reserves 2,700 0.64 56
Proven and Probable Reserves    2,700 0.64 56

 

Björkdal Total Mineral Reserves

Category Ore
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Proven Reserves
Probable Reserves 11,384 1.58 580
Proven and Probable Reserves    11,384 1.58 580

 Björkdal Open-pit Mineral Resources Inclusive of Mineral Reserves

Category Resource
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Measured Resources
Indicated Resources 2,974 2.3 218
Measured and Indicated Resources 2,974 2.3 218
Inferred Resources 2,516 1.32 107

Björkdal Underground Mineral Resources Inclusive of Mineral Reserves

Category Resource
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Measured Resources
Indicated Resources 7,416 2.98 711
Measured and Indicated Resources 7,416 2.98 711
Inferred Resources 1,922 2.63 162

Björkdal Norrberget Open Pit Mineral Resources Inclusive of Mineral Reserves

Category Resource
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Measured Resources
Indicated Resources 144 3.29 15
Measured and Indicated Resources 144 3.29 15
Inferred Resources 3 4.03 1

Björkdal Stockpile Mineral Resources Inclusive of Mineral Reserves

Category Resource
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Measured Resources
Indicated Resources 2,700 0.64 56
Measured and Indicated Resources 2,700 0.64 56
Inferred Resources

Björkdal Total Mineral Resources Inclusive of Mineral Reserves

Category Resource
(kt)
Au Grade
(g/t)
Au
(cont. koz)
Measured Resources
Indicated Resources 13,207 2.36 1,000
Measured and Indicated Resources 13,207 2.36 1,000
Inferred Resources 4,441 1.89 271

Cerro Bayo 2017 Year-end

  • Ag
  • Au
2017 Year-end

Cerro Bayo Mineral Reserves

Category Ore
(kt)
Ag Grade
(g/t)
Ag
(cont. koz)
Au Grade
(g/t)
Au
(cont. koz)
Proven Reserves 40 227 292  1.72  2
Probable Reserves 816 286 7,511  2.37  62
Proven and Probable Reserves   856 284 7,803  2.34 64

Cerro Bayo Mineral Resources
Inclusive of Mineral Reserves

Category Resource
(kt)
Ag Grade
(g/t)
Ag
(cont. koz)
Au Grade
(g/t)
Au
(cont. koz)
Measured Resources 47 279 421 2.15  3
Indicated Resources 854 352 9,671 3.07 84
Measured and Indicated Resources 901 348 10,092 3.02 87
Inferred Resources 513 204 3,355 2.52 42

Challacollo 2014 Year-end

  • Ag
  • Au
2014 Year-end

Challacollo Mineral Resources

Category Resource
(kt)
Ag Grade
(g/t)
Au Grade
(g/t)
Ag
(cont. koz)
Au
(cont. koz)
Measured Resources
Indicated Resources 4,700 200 0.32 30,200 48
Measured and Indicated Resources 4,700 200 0.32 30,200 48
Inferred Resources 1,600 134 0.31 6,900 16

La Quebrada 2012 Mid-year

  • Ag
  • Cu
2012 Mid-year

La Quebrada Mineral Resources

Category Resource
(t)
Cu Grade
(%)
Cu
(cont. lb)
Ag Grade
(g/t)
Ag
(cont. oz)
Measured Resources
Indicated Resources 34,800,000 0.6% 459,000,000 10 11,200,000
Measured and Indicated Resources 34,800,000 0.6% 459,000,000 10 11,200,000
Inferred Resources 1,000,000 0.6% 13,000,000 11 400,000