Lecture 9: Marine sediments 
Lecture 9: Marine sediments
by UCLA / Edwin Schauble
Video Lecture 9 of 27
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Date Added: December 5, 2010

Lecture Description

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?
Biogenous Sediments
Calcareous (CaCO3) Plankton: Foraminifera and Coccolithophores
Siliceous (SiO2) Plankton: Diatoms and Radiolaria
Coccolith (phytoplankton)
Biogenic Oozes
Carbonate Compensation Depth, CCD
Calcite Compensation Depth, CCD
Siliceous Oozes
Abyssal Clays
Hydrogenous Sedimentary Deposits
Cosmogenic Sediments
K-T boundary in sediment

Lecture Notes: Lecture 9: Marine sediments

Course Index

Course Description

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.

: Some clips and images may have been blurred or removed to avoid copyright infringement.


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