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Resources and Reserves

At Juanicipio, the Valdecañas vein system underpins value.

This Valdecañas vein system is not a single vein, but a system of related veins. The principal vein is depicted to the left, having the Bonanza Zone shown in red and the Deep Zone shown in blue.

The resource numbers outlined below comprise the data on which MAG’s PEA is built, and with much of the Inferred resource already having been converted to Indicated, we are currently in the process of updating our technical report.

 

The surface projection of the Valdecanas vein system has a distinctive surface alteration thumbprint we can apply to exploring the balance of the property  going forward.

Resource Highlights*

Juanicipio Mineral Resources at 31 May 2023

Quantity Grade Contained Metal
Resource Category Cut-off
grade
Tonnes
(kt)
Au
(g/t)
Ag
(g/t)
Pb
(%)
Zn
(%)
Au
(koz)
Ag
(koz)
Pb
(kt)
Zn
(kt)
Measured 209 g/t Ag Eq 1,441 2.19 780 1.42 2.70 102 36,130 20 39
Indicated 15,555 1.83 266 3.03 5.56 916 133,039 472 865
Measured & Indicated 16,996 1.86 310 2.89 5.32 1,017 169,169 492 904
Inferred 14,051 1.06 236 2.41 6.12 480 106,676 339 860

Juanicipio Mineral Reserves as at 31 May 2023

Quantity Grade Contained Metal
Resource Category Cut-off
grade
Tonnes
(kt)
Au
(g/t)
Ag
(g/t)
Pb
(%)
Zn
(%)
Au
(koz)
Ag
(koz)
Pb
(kt)
Zn
(kt)
Proven 277 g/t
AgEq
735 1.48 545 1.05 1.99 35 12,865 8 15
Probable 14,622 1.59 233 2.72 4.94 746 109,357 398 722
Proven and Probable 15,356 1.58 248 2.64 4.80 781 122,221 406 736

*CIM Definition Standards (2014) were used for reporting.
*All figures rounded to reflect the relative accuracy of the estimates.  Mineral Reserves are reported at a cut-off value

Technical Information

2024 Technical Report

3D Valdecañas Video

MAG Juanicipio Video