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    equipment used to aggregate the iron from the seabed In 1994 Tolstoy and her team deployed equipment on the ocean floor to record both seismic activity and tides. Measuring the relief of the ocean floor expressed as the varying depth below sea level is the chore known as bathymetry.

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  • Seabed Wikipedia

    The seabed has been explored by submersibles such as Alvin and, to some extent, scuba divers with special equipment. The process that continually adds new material to the ocean floor is seafloor spreading and the continental slope .

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    we have assessed several projects: Seabed in Prehistory: Gauging the Effects of Marine Dredging undertaken by Wessex Archaeology (2008), which ultimately comprises four ALSF projects, 3876, 4600, 5401 and 5684, and the

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    Lengths or 'sticks' of cast iron pipes form the main cargo mound which is clearly visible on the seabed. In 1983 divers counted 204 pipes in four banks. The sticks are 2.77m (9ft) long with a

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    The seabed has been explored by submersibles such as Alvin and, to some extent, scuba divers with special equipment. The process that continually adds new material to the ocean floor is seafloor spreading and the continental slope .

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    Aggregate is a granular material, such as sand, gravel, crushed stone, crushed hydraulic-cement concrete, or iron blast-furnace slag, used with a hydraulic cementing medium to produce either concrete or mortar. Those particles

  • Scientific Equipment on HMS Challenger HMS Challenger

    2015/06/10· Something more interesting I’ve been looking at recently, though, is the equipment used on board HMS Challenger. Though the Challenger was a corvette, a small war ship, most of her guns were removed to make way for

  • Mining Methods • Environment Guide

    Mining Methods There are four key stages of involved in mining for minerals. These include: 3415, 3416 Prospecting The purpose of this stage is to identify areas that are likely to contain mineral deposits. The includes