Granada Gold Mine (TSX-V: GGM) has announced that it has been approved to advance its on-site processing authorization for gravity concentration at its Granada gold project. 

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This is actually really good news for the company.

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You see, one of the biggest challenges facing small gold developers today is processing. Building a full-scale mill can cost hundreds of millions of dollars, while access to third-party mills is often limited. 

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Granada has spent the past several years evaluating alternatives, including custom milling, on-site sampling plants, gravity recovery circuits, and ore-sorting technologies designed to upgrade material before it is shipped for further processing.

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Improving project economics

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Essentially, Granada wants to remove waste material as early as possible and concentrate the gold-bearing rock before it reaches a mill. If successful, that could reduce transportation costs, lower processing expenses, and improve project economics.

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And recent test work appears encouraging. 

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In April, Granada reported that ore-sorting studies conducted at the Saskatchewan Research Council produced a 2.7-times increase in grade on open-pit mineralization, suggesting that pre-concentration techniques could potentially improve the value of material delivered for processing.

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That development is notable because Granada is not starting from scratch. 

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The company's 2022 resource estimate outlined 543,000 ounces of gold in the measured and indicated categories and an additional 456,000 ounces in the inferred category. Management recently engaged GoldMinds Geoservices to update that resource estimate using current gold prices and accumulated drilling data. 

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Of course, Granada is still a junior developer, not a producer. The project will still require additional technical work, permitting progress, and financing before any commercial mining operation can begin.

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Still, securing regulatory support for on-site gravity concentration activities represents another incremental step forward. For a junior mining company operating in a strong gold-price environment, those incremental steps can matter.

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