Endeavour Silver Files Reports for Guanacevi, Bolañitos
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Endeavour Silver Files Reports for Guanacevi, Bolañitos

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Karin Dilge By Karin Dilge | Journalist and Industry Analyst - Tue, 01/31/2023 - 11:43

Endeavour Silver filed the technical reports of its Guanacevi and Bolañitos mines, prepared following the National Instrument 43-101 Standards of Disclosure for Mineral Projects. 

At Guanacevi, the company found that inferred mineral resources were not economically viable and cannot be converted into a mineral reserve. Moreover, the company expects but does not guarantee that the majority of inferred mineral resources may be upgraded to indicated mineral resources with continued exploration. 

Moreover, measured, indicated and inferred resource silver equivalent cut-off grades were 252g/t for veins inside the El Curso and Porvenir Frisco concession, 212g/t for the Santa Cruz vein system and 219g/t for the remaining mineral resources.

In addition, the company reported that metallurgical recoveries stood at 86.4% for silver and 90.1% for gold. Silver equivalents are based on a 79.6:1 silver-to-gold price ratio. Price assumptions are US$21.8/troy oz for silver and US$1,735/troy oz for gold for the mineral resource’s cut-off calculations. 

For the Bolañitos mine, the inferred mineral resources also did not show economic viability but the majority of inferred mineral resources could be upgraded to indicated mineral resources with continued exploration.

At Bolañitos, measured, indicated and inferred resource silver equivalent cut-off grades were 149g/t for veins located in the La Luz and San Miguel production areas, 157g/t for the Belen vein system and 151g/t for veins located in the Lucero production area.

Additionally, metallurgical recoveries were 85.7% for silver and 90.1% for gold. Silver equivalents are based on a 79.6:1 silver-to-gold price ratio. Furthermore, price assumptions are US$21.8/troy oz for silver and US$1,735/troy oz for gold for the resource cut-off calculations.

Recently, Endeavour Silver announced its 2023 production and cost guidance. The company expects silver production to range from 5.7 to 6.3 million oz and gold production to be between 36,000 oz and 40,000 oz. Silver production is forecasted to total between 8.6 million and 9.5 million oz at an 80:1 silver-to-gold ratio.

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