GEOLOGY 322 - OCEAN SYSTEMS

Video 4 Earth Revealed: The Sea Floor

Continental Margins:

• What are the basic features of continental margins?
• how large and how extensive are they?
• What processes are occuring on them, and where?

Ocean Basin:

• What features do we see in the ocean basins?
• What is the origin of ocean floor?
• What kind of sediments are deposited in ocean basins?
• What is pelagic sediment?
• Describe at least 2 kinds of pelagic sediments
• Have ocean basins been on earth a long time?  How do we know?

Technology:

• What tools are used to sample sediment from the deep ocean?
• What tools are used to determine bathymetry in the deep ocean?

Deep Sea Resources:

• What resources are found in continental margins?
• What resources are found on mid-ocean ridges?
• What resources are found on the sea-floor?
• What problems do we face if we try to exploit these resources?