Explore the intricate world of detrital sediment and sedimentary rocks in this comprehensive 21-minute video. Delve into the fabrics and textures of various sedimentary materials, including gravel, sand, shale, and limestone. Learn about the three major types of sedimentary fabrics, with a focus on apposition fabrics. Discover how depositional environments influence grain orientation and alignment in different sedimentary rocks. Examine the concepts of porosity and permeability, understanding how factors like grain size, sorting, shape, and packing affect these properties. Gain insights into the impact of compaction and lithification on sediment characteristics. Enhance your understanding of sedimentary geology through detailed explanations and visual examples throughout the video.