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  2. Seabed - Wikipedia

    en.wikipedia.org/wiki/Seabed

    The seabed (also known as the seafloor, sea floor, ocean floor, and ocean bottom) is the bottom of the ocean. All floors of the ocean are known as 'seabeds'. The structure of the seabed of the global ocean is governed by plate tectonics. Most of the ocean is very deep, where the seabed is known as the abyssal plain. Seafloor spreading creates ...

  3. Baltic Sea anomaly - Wikipedia

    en.wikipedia.org/wiki/Baltic_Sea_anomaly

    The Baltic Sea anomaly sonar image by OceanX. The Baltic Sea anomaly is a feature visible on an indistinct sonar image taken by Peter Lindberg, Dennis Åberg and their Swedish OceanX diving team while treasure hunting on the floor of the northern Baltic Sea at the center of the Gulf of Bothnia in June 2011.

  4. Marine geology - Wikipedia

    en.wikipedia.org/wiki/Marine_geology

    A sub-bottom profiler is another sonar system used in geophysical surveys of the sea floor to not only map depth, but also to map beneath the sea floor. [14] Mounted to the hull of a ship, the system releases low-frequency pulses which penetrate the surface of the sea floor and are reflected by sediments in the sub-surface.

  5. Marble grave slabs laid on ocean floor off England for 800 ...

    www.aol.com/marble-grave-slabs-laid-ocean...

    Sign in. Mail. 24/7 Help. ... Marble grave slabs laid on ocean floor off England for 800 years — until now. See them ... Metal detectorist stumbles on 250-year-old artifact linked to a pope ...

  6. Oh Dear, There's A Hole In The Bottom Of The Ocean

    www.aol.com/oh-dear-theres-hole-bottom-100000701...

    The floor of the ocean off the coast of the Pacific Northwest has sprung a leak called Pythia's Oasis. Here's what that means. Oh Dear, There's A Hole In The Bottom Of The Ocean

  7. Scientists discover surprising animal ecosystem thriving ...

    www.aol.com/scientists-discover-surprising...

    A whole new world: Surprising ecosystem thriving under sea floor. The study authors found the tubeworms and other species living in warm, fluid-filled cavities more than 2,500 meters, or 1.5 miles ...

  8. Seafloor depth versus age - Wikipedia

    en.wikipedia.org/wiki/Seafloor_depth_versus_age

    This was followed in 1977 by a more refined plate model which explained data that showed that both the ocean depths and ocean crust heat flow approached a constant value for very old seafloor. [5] These observations could not be explained by the earlier 'cooling mantle model' which predicted increasing depth and decreasing heat flow at very old ...

  9. Depth sounding - Wikipedia

    en.wikipedia.org/wiki/Depth_sounding

    The machine was designed to be fixed to a sounding lead and line. It featured a rotor which turned a dial as the lead sank to the sea floor. On striking the sea floor, the rotor would lock. Massey's sounding machine could then be hauled in and the depth could be read off the dials in fathoms.

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