The Nuestra Senora polymetallic deposit in Sinaloa state, Mexico, continues to shape up as an underground mine-to-be for Scorpio Mining (SPM-T).
The new drilling on the Nuestra Senora mineral deposit is confirming previously calculated resource grades with locally higher-grade zones delivering silver grades over 1 kg per tonne. Drilled widths generally range from 0.5 to 6 metres, with a few ranging as high as 7.7 metres and the widest at 20.7 metres.
Previous feasibility work has outlined a reserve of 1.1 million tonnes on the Nuestra Senora zone, at 167 grams silver per tonne with 3.24% zinc, 0.98% lead and 0.55% copper.
Drilling on the September 9 Zone, about 75 metres to the north of the main Nuestra Senora deposit, has shown the zone has a strike length around 125 metres and a vertical extent of about 60 metres. Drilling has not closed the zone off at depth.
The zone was previously estimated to have a reserve of 221,000 tonnes at 127 grams silver per tonne, plus base metal grades of 2.97% zinc, 1.42% lead and 0.42% copper.
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