Explore the fascinating world of marine sediments in this comprehensive lecture. Delve into the classification, collection, and analysis of ocean floor deposits, including lithogenous, biogenous, hydrogenous, and cosmogenous sediments. Learn about sediment transport mechanisms, grain size, texture, and distribution patterns across neritic and pelagic environments. Discover the importance of marine sediments in paleoceanography and examine techniques for studying ocean sediment cores. Investigate the role of silica and calcium carbonate in biogenous sediments, and understand the significance of the calcite compensation depth. Explore the relationship between sea floor spreading and sediment accumulation, and study unique formations like manganese nodules, phosphates, and evaporites. Gain insights into the complex mixtures of marine sediments and their global distribution patterns.
Overview
Syllabus
Chapter 4 Lecture
Chapter Overview
Classification of Marine Sediments
Marine Sediment Collection
Paleoceanography and Marine Sediments
Examining Ocean Sediment Cores
Marine Sediment Classification
Lithogenous Sediment Transport Mechanisms
Lithogenous Quartz and Wind Transport
Grain Size
Texture and Environment
Sorting
Sediment Distribution
Neritic Lithogenous Sediments
Pelagic Deposits
Biogenous Sediment Composition
Silica in Biogenous Sediments
Diatomaceous Earth
Calcium Carbonate in Biogenic Sediments
Distribution of Biogenous Sediments
Neritic Deposits
Carbonate Deposits
Calcareous Ooze • CCD - Calcite compensation depth Depth where Caco, readily dissolves
Sea Floor Spreading and Sediment Accumulation
Distribution of Modern Calcium Carbonate Sediments
Hydrogenous Marine Sediments
Manganese Nodules Cross Section and Accumulation
Phosphates and Carbonates
Metal Sulfides
Evaporites
Evaporative Salts in Death Valley
Cosmogenous Marine Sediments
Marine Sediment Mixtures
Taught by
Sven Holbik
