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Marine Geology Data

What can you find in marine sediments?

view gif image of a radiolarian.
Radiolaria 		view gif image of a diatom.
Diatoms 		view gif image of ice-rafted sand grains.
Ice-Rafted
Sand Grain 		view gif image of placer grains.
Placer
Deposit 		view gif image of ferromanganese nodules.
Polymetallic
Nodule

Click on the images above for a closer view and explanation. Click on the links below the images to go to external resources related to the image. These are just a few of the components that can be found in samples of marine sediment.


Why is the composition of the seafloor important?

National Science Foundation Press Release 09-089
Sea-floor Sediments Illuminate 53 Million Years of Climate History

Links to educational sites related to marine geology and geophysics.