AI Summary
5 min readPinnacle Silver & Gold’s CEO Bob Archer joined the Vox Markets Podcast to explain how a lucky discovery during routine rehabilitation work at the El Potrero project in Mexico has filled in a critical gap in the company’s understanding of the mineralized system. While preparing for an underground drilling program, a contractor clearing known workings uncovered an opening that had been hidden by a small landslide. The team rehabilitated those workings too, took about 150 channel samples, and found that the new level sits roughly 35 meters above the main level and up-dip, connecting what was known underground with what had been sampled at surface. The result is a much clearer picture of continuity—and some eye-catching grades along the way.
What the new workings revealed
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What you'll learn
- 1 (00:59) **Introduction and Context** - Host Alistair introduces Pinnacle Silver & Gold and CEO Bob Archer for an update on the El Potrero project in Mexico.
- 2 (01:28) **Discovery of New Underground Workings** - Bob describes how contractor rehabilitation work uncovered a previously unknown opening, leading to new sampling.
- 3 (02:43) **Connecting the Mineralization Model** - The new data allowed the team to link the main underground level with surface mineralization, filling a critical gap.
- 4 (03:54) **Bonanza Grades in New Samples** - Bob reports high-grade gold and silver results from the new workings, including up to 26 g/t gold and 511 g/t silver.
- 5 (04:37) **Clarifying: Not Bigger, But Better Understood** - Bob corrects the assumption that the project is "bigger," explaining the discovery instead fills a knowledge gap.
- 6 (05:52) **Resource Confidence Analogy** - Bob explains how filling data gaps moves a resource from inferred to indicated to measured, using a drilling analogy.
- 7 (06:28) **Grade Variability and Consistency** - Bob discusses the variable nature of grades and why average grade and metallurgical consistency matter more for mining.
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Show Notes
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