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Projects

Mercedes

Overview

The Mercedes gold-silver mine has been in continuous operation since 2011, except for a brief Mexico-wide Covid-19 related shutdown in 2020.

The Mercedes property consists of 43 mineral concessions totalling 69,284 hectares.

Mine Type: Fully mechanized ramp-access underground operation

Processing (2,000 tpd processing plant): Conventional milling with agitated leach and Merrill-Crowe recovery of gold-silver doré.

As of December 2024, approximately 1 Moz of gold and 4 Moz of silver have been produced.

Resource Potential: Located at the convergence of major porphyry, epithermal & orogenic belts; a highly prospective environment that is largely unexplored outside of the Mercedes deposit. Exploration to date has focused on underground extensions and infill drilling, with six high-priority brownfield and eight greenfield targets identified in 2024

Highlights:

  1. 11 six brownfield target areas are estimated to host ~600 koz of additional gold;
  2. Main corridor of veins open under cover for over 6 km of largely untested prospective strike;
  3. Review of structural, geophysical, and geological modeling highlights significant near-mine and district-scale exploration potential;
  4. Operating underground mine with underutilized 2,000 tpd processing plant and associated infrastructure
(Click on image to enlarge)

Location

The Mercedes mine (100%) is located in Sonora, Mexico, approximately 250 km northeast of Hermosillo, Mexico and 300 km south of Tucson, Arizona.
(Click on image to enlarge)

Reserves & Resources

Mineral Reserve Estimates with an Effective Date of September 30, 2024:

2024 Mineral Reserves, Mercedes Mine (effective September 30, 2024)
Category ORES Tonnes Au (gpt) Ag (gpt) Contained Au
(troy ounces)
Contained Ag
(troy ounces)
Proven 9,392 4.25 24.67 1,282 7,448
Probable 418,584 3.94 22.67 53,009 305,048
Total 427,976 3.95 22.71 54,291 312,496

Mineral Resource Estimates with an Effective Date of September 30, 2024:

2024 Mineral Resources (1), Mercedes Mine (effective September 30, 2024)
Category Tonnes Au (gpt) Ag (gpt) Contained Au
(troy ounces)
Contained Ag
(troy ounces)
Measured 792,569 6.62 58.10 168,575 1,480,539
Indicated 1,546,484 5.65 49.06 281,102 2,439,101
Measured + Indicated 2,339,053 5.98 52.12 449,677 3,919,640
Inferred 383,417 5.26 36.06 64,884 444,563
Total 2,722,470 5.88 49.86 514,561 4,364,203

Maps & Photos

(Click on images to enlarge)