Strong Metallurgical Results From Ongoing Testing Program At La Romanera

TORONTO - Emerita Resources Corp. reported on its ongoing metallurgical testing program for La Romanera deposit for base and precious metals on its Iberian Belt West Project (IBW). La Romanera and El Cura deposits are unique in the Iberian pyrite belt in that they have significantly elevated gold values and it has been a key objective of the Emerita technical team to develop a process that will maximize the gold recoveries. A two-stage process has now been identified that provides excellent recoveries.

Stage 1: Conventional flotation - a process to produce 3 sellable concentrates (zinc, lead and copper). Stage 2: Post Flotation Process (PFP) - a pyrometallurgical process applied to the residual material after flotation, followed by a leaching process to recover the remaining gold, silver, copper and zinc. There are several common thermal technologies available, (roasting was used in this test) that break down the pyrite and arsenopyrite crystal structures and allow for leaching and recovery of the gold, silver and additional base metals. Stage 2 has demonstrated a particularly positive impact on total estimated gold recoveries for La Romanera mineralization.

The testing was completed in collaboration with Wardell Armstrong International in the United Kingdom and with Dundee Sustainable Technologies Inc. of Quebec, Canada. The PFP test was carried out on MET-1, a high gold grade sample from La Romanera deposit. These test results combined with results from the conventional Stage 1 have yielded excellent overall recoveries.

Jorge Blanco, Director of Metallurgy, said, “We are very pleased with the progress using the CLEVRTM technology. As our testing has progressed, we have continued to improve on the gold recovery for La Romanera mineralization to realize our objective of maximizing La Romanera deposit’s value. In addition, this process would also gather much of the copper and zinc that was not collected in the initial flotation process. We are continuing to test other technologies with the aim of identifying the most efficient and optimal solution tomaximize the value recovery at La Romanera while minimizing the overall environmental impact at the IBW Project.”

Joaquin Merino, P.Geo., President, said, “Emerita is exploring the PFP metallurgical process in order to optimize the value of IBW’s continuously expanding mineral resources by incorporating environmentally friendly technologies. The results could significantly derisk the Project and enhance value as we move forward. We have already begun a second round of testing, the results of which are expected in Q1, 2025. We are very encouraged by what we have achieved to date.”