Yobe State is sitting on vast, underutilised mineral deposits, with silica sand alone exceeding 3 million tons, according to Dr. Aliyu Isah Chikaji, the DG of YAPPPIP. “Yobe State is rich in minerals like quartz, kaolin, granite, iron ore, feldspar, limestone, clay, potash, natural salt, magnetite, diatomite, mica, silica sand, gypsum, and uranium,” he said