Mineral Weathering - How and Why Rocks Weather and How Microbes Drive Weathering
Explore the fascinating world of mineral weathering in this comprehensive 35-minute video lecture. Delve into the factors controlling mineral solubility and the ordered steps of mineral dissolution. Examine the various elements influencing chemical weathering rates and discover how microbes accelerate weathering processes through both physical and chemical means. Learn about the common types of minerals subject to weathering at Earth's surface, including silicate and carbonate minerals. Investigate soil composition, focusing on organic matter degradation and microbial contributions. Conclude by understanding the impact of silicate weathering on global climate and its role as a negative feedback mechanism. Gain valuable insights into geomicrobiology and the intricate relationships between rocks, microbes, and Earth's systems.