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Chapter 23 The Ocean Floor

3 ways to study the ocean floor……. Echo sounding Sediment sampling Satellite observations. Chapter 23 The Ocean Floor. Echo Sounding. SONAR Sound signal is sent to the ocean floor and the time it takes to reach the ocean floor and return determines the depth.

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Chapter 23 The Ocean Floor

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  1. 3 ways to study the ocean floor……. Echo sounding Sediment sampling Satellite observations Chapter 23The Ocean Floor

  2. Echo Sounding SONAR Sound signal is sent to the ocean floor and the time it takes to reach the ocean floor and return determines the depth

  3. Sediment Sampling…Core Sampling Long, hollow cylindrical instrument removes a long core of sediments from the ocean floor

  4. Satellites Provides the greatest amount of speed and information for creating ocean floor maps

  5. Continental Margin Underwater part of the continental crust 23.2 - The Continental Margin

  6. Parts of the continental Margin Shelf Slope Rise

  7. Parts of the continental Margin A plate boundary ……like a subduction zone Not on a plate boundary

  8. Abyssal Plains Abyssal Hills Deep Sea Trenches Mid-Ocean Ridges Deep Ocean Vents Corals And Atolls Seamounts & Guyots 23.3 - The Ocean Basin

  9. Terrigenous Biogenous Hydrogenous Sediments from the rocks on land Sediments from once living things Crystals formed in the water that settle on the sea floor 23.4 – Ocean Floor Sediments

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