October 14, 2009
Global Distribution & Thickness of Marine Sedimentary Layers
Grain Size Sediment Classification
Grain Size Dependent Transport
Genetic Classification of Sediments
• Terrigenous: from continents
• Biogenous: from biological sources
• Hydrogenous: seawater precipitates
• Sometimes referred to as “authigenic” -- means formed in place
• Cosmogenous: extraterrestrial sources
Terrigenous Sediment Sources
Fluvial Terrigenous Sediments
Bengal Fan – World’s largest pile of mud?
Calcareous (CaCO3) Plankton: Foraminifera and Coccolithophores
Siliceous (SiO2) Plankton: Diatoms and Radiolaria
Carbonate Compensation Depth, CCD
Calcite Compensation Depth, CCD
Hydrogenous Sedimentary Deposits
K-T boundary in sediment
Lecture Notes: Lecture 9: Marine sediments
In this course, Prof. Edwin Schauble gives 27 video lectures on Introduction to Oceanography. This class provides a general introduction to geological, physical, chemical, and biological processes and history of Earth's global oceanic system.
•High school science background
– Math: algebra & geometry, graphs
– Metric units
– Geography: maps, Earth's major features, longitude & latitude
– Chemistry: elements, atoms, molecules, chemical equations
– Physics: matter, density, waves, velocity, energy, gravity
– Biology: genus, species, evolution, plants & animals
Original Course Name: Earth & Space Science 15: Introduction to Oceanography.
Note: Some clips and images may have been blurred or removed to avoid copyright infringement.