Biomineralization - Fe Hydroxide, Magnetite, Mn Oxides, Clays, Amorphous Silica

Explore the fascinating world of biomineralization in this comprehensive video lecture. Learn about biologically induced mineral formation, focusing on various examples such as iron hydroxides, magnetite, manganese oxides, clays, and amorphous silica. Discover how microorganisms passively facilitate mineral precipitation through reactive cell surfaces and metabolite production. Examine the formation processes of iron hydroxides by Fe-oxidizing bacteria and their conversion into more stable phases like goethite and hematite. Investigate the significance of magnetite-producing organisms in developing biosignatures for detecting life on other planets and ancient Earth. Delve into the formation of manganese oxides, ferromanganese deposits, and desert varnish. Understand the biological induction of clay minerals and amorphous silica in various environments, including hot springs and geyser vents. Gain insights into the protective mechanisms some microbes employ against mineral encrustation. Enhance your knowledge of geomicrobiology and the intricate relationships between microorganisms and mineral formation in natural environments.