Induced Polarization Testing Successfully Maps Gold-Bearing Veins with High Precision TUCSON, AZ, Oct. 21, 2025 (GLOBE NEWSWIRE) -- Liberty Star Minerals ("Liberty Star" or the "Company") (OTCQB: LBSR) is pleased to announce the successful completion of induced polarization (IP) and resistivity testing over known gold-bearing veins at its wholly owned Red Rock Canyon Gold Project within the Hay Mountain Project in southeast Arizona. Key Highlights from IP Test Survey The geophysical test performed in July 2 ...