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The Gran Pilar Pilot Mine is Tocvan’s critical next step to validate resource economics and highlights our landmark transition from exploration to near-term gold and silver production. With 50,000-tonne production planned, this project is key to derisking Tocvan as an investment and proving our operational capabilities.
g/t Au Head Grade
Recovery Rate
Tonnes of Material
We’ve already struck gold once, and Tocvan Ventures is ready to do it again. With a track record of successful gold extraction, we are now setting the stage for our upcoming pilot mine, poised to showcase our proven ability to turn geological promise into tangible results.
*Data for other projects and mines from Company sources. Santana, Minera Alamos, website. Mulatos, Alamos Gold, website, . Values in USD.
The success of nearby producers delivering impressive annual output with low all-in sustaining costs (AISC) validates Tocvan’s unparalleled profit potential as it nears production. With gold prices at historic highs, exceeding $3k, the high-margin environment is clearly evident, setting the stage for profitability.
*Data for projects and mines from Company sources. Santana, Minera Alamos, website. Mulatos, Alamos Gold, website, . Values in USD.
The pilot mine will process high-grade ore with a focus on maximizing gold and silver recovery. This material comes from areas with strong drilling results and new trenches, including:
6.1 meters of 5.4 grams per tonne (g/t) gold and 39 g/t silver.
3.1 meters of 19.4 g/t gold (near surface).
42.7 meters of 41 g/t silver, including 10.7 meters of 136 g/t (4.4 ounces per tonne) silver from the surface.
Based on extensive metallurgical testing, we are highly confident in our recovery rates.
Rapid Recovery: Agitated bottle roll tests showed a rapid recovery of 80% gold and 94% silver within a 24-hour retention time.
Overall Recovery: By combining gravity recovery with agitated leach results, we achieved excellent overall recovery rates of 95-99% for gold and 73-97% for silver from five composite samples.
Bulk Sample Performance: A large-scale bulk sample test demonstrated an initial 62% gold recovery over a 46-day leaching period.
Modern open pit bulk-tonnage mines (e.g. Mulatos/La Yaqui Grande, Alamos Gold): $1,000–$1,400/oz AISC.
For bulk-tonnage, open pit mines in Sonora, the average gold grade usually falls in the range of 0.5–1.7g/t Au, with most operations clustering around ~0.7g/t Au for current mining.
Capacity: The facility is designed to process 50,000 tonnes of ore.
Infrastructure: The mine has a permitted 1.76-hectare infrastructure footprint to support optimal material flow and processing.
Processing Method: We will use a hydrometallurgical process with a Sodium Cyanide Solution (600 parts per million concentration) to leach the metals from the ore. The leaching cycle is optimized for a 60-90 day retention period to maximize recovery.
Material Preparation: The mineral is stacked in 4-6 meter beds and pre-conditioned with lime to maintain a pH of over 11.5, which ensures efficient leaching.
Recovery Process: After leaching, gold and silver are adsorbed onto activated carbon in five columns. The metals are then recovered from the carbon using the Zadra process at 135°C and 55 psi. The carbon is then reactivated at 650°C for reuse.
Water access from the community and local ranch. Water wells are part of the permitted design for access and monitoring.
Tocvan pilot mine production is approved for 10 years.
Every investor’s journey starts somewhere. Whether you’re an industry expert or just beginning to explore the mining sector, we’re here to help you understand Tocvan’s potential. We believe in providing equal access to information for our shareholders, so we’re ready to support you – no matter the size of your investment.
Have a quick question about Tocvan? Schedule a 15-minute call. We’re here to help new investors or anyone curious about our latest company developments get the answers they need.
Many companies talk about potential; we’ll show you our proven strategy to value. Join us for a personalized walkthrough of our corporate presentation, where we’ll highlight the unique geological advantages, strategic approach, and key milestones that set Tocvan apart in the mining secot.
For analysts, engineers, and serious investors, we offer a detailed technical call. Discuss our geological data, drilling results, and exploration techniques with our experts. We’re confident in our results.
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