Exploration company G50 Corp Limited announced that positive metallurgical test work results from the company’s Golconda project in northwest Arizona confirm the ability to produce a gallium-rich concentrate using proven, low-cost processing methods. These results support the potential development of a primary gallium supply source in the United States.
The exploratory metallurgical test work was undertaken by SGS Lakefield, assessing gallium, silver and gold recovery from unoxidized drill core and RC chips from the project. Gallium grades increased between 150-200%, and strong recoveries showed gallium up to 70% recovery, using screening and flotation; silver up to 97% recovery; and gold via floatation with 82% recovery.
“These exceptional results support a staged, low-capital pathway targeting early development of saleable gallium concentrate with optional precious-metal by-products,” said Mark Wallace, managing director and CEO of G50. “These results significantly de-risk our Golconda project and show that Golconda can potentially be a supplier of gallium for U.S. domestic needs.”