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14.3 Seafloor Sediments

Types of Seafloor Sediments. 14.3 Seafloor Sediments .  Ocean-floor sediments can be classified according to their origin into three broad categories: terrigenous sediment, biogenous sediment, and hydrogenous sediment.  Terrigenous Sediment.

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14.3 Seafloor Sediments

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  1. Types of Seafloor Sediments 14.3 Seafloor Sediments  Ocean-floor sediments can be classified according to their origin into three broad categories: terrigenous sediment, biogenous sediment, and hydrogenous sediment.  Terrigenous Sediment • Terrigenoussediments consist primarily of mineral grains that were eroded from continental rocks and transported to the ocean.

  2. Types of Seafloor Sediments 14.3 Seafloor Sediments  Biogenous Sediment • Biogenous sediments consist of shells and skeletons of marine animals and algae. - Calcareous ooze is thick, common biogenous sediment produced by dissolving calcium carbonate shells. - Siliceous ooze is biogenous sediment composed of silica-based shells of single-celled animals and algae.

  3. Types of Seafloor Sediments 14.3 Seafloor Sediments  Hydrogenous Sediment • Hydrogenous sediment consists of minerals that crystallize directly from ocean water through various chemical reactions.

  4. Radiolaria Foraminifera Biogenous Sediments

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