This book disseminates the interdisciplinary relationship, some explored and some yet to be, among microbiology and the inorganic world. It studies the genesis of microbiology in the metal world, the various physiological aspects behind their existence in such a turgid environment, their applications in the mineral sector, metal extraction, and material synthesis. A major part of this book emphasizes the importance of microbes in environmental remediation in the mining industries from core deep ground sample processing to utilization of discarded raw materials, and synthesizing products.