Sediments - MARS 1010 Objectives Questions Sediments...

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MARS 1010 – Objectives Questions Sediments Reading Assignment: Chapter 4 in Sverdrup and Armbrust 1. What are the main sources of sediment to the ocean floor? Biogenous accounts for 55% of the ocean’s sediment with terrigenous second most. The continuous supply of particles have their origin in living organisms, the land, the atmosphere, or the sea itself. It is called sediment when it accumulates on the sea floor. The thickest depositis of sediment are generally found near the continental margins, where sediment is deposited relativlley rapidly; in contrast, the deepest ssea floor receives a constant but slow accumulation of sediment that produces a thinner layer that carries in thickness with the age of the oceanic crust. 2. Be able to identify and define a. Terrigenous Sediment that comes from land/ while terrigenous sediment technically includes any type of material coming off the land, such as rock fragments, wood chips, and sewage sludge, the majority of terrigenous material consists of lithogenous particles. b. Biogenous / biogenous oozes
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Sediments - MARS 1010 Objectives Questions Sediments...

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