Itronics Reports Presence of Potentially Recoverable Iron, Copper, Silver, Cobalt, Other Strategic and Battery Metals, and Nutrient Materials, in Mine Tailings News provided by Share this article Share this article RENO, Nev., April 29, 2021 /PRNewswire/ -- Itronics Inc. (OTC:ITRO) an emerging "Cleantech Materials" growth Company that manufactures GOLD'n GRO Multi-Nutrient Fertilizers and produces silver, zinc, and critical and battery minerals recovered from industrial and mining waste, today reported it has received a complete set of polymetallic assays on two tailings samples that were chosen to provide quantitative metal content information for two locations in the tailings pile on the mining claims at the Auric Fulstone project site in the Yerington Copper District near Yerington, Nevada.