BuyFind

Oceanography: An Invitation To Mar...

9th Edition
Garrison + 1 other
Publisher: Brooks Cole
ISBN: 9781305254282
BuyFind

Oceanography: An Invitation To Mar...

9th Edition
Garrison + 1 other
Publisher: Brooks Cole
ISBN: 9781305254282

Solutions

Chapter
Section
Chapter 5, Problem 4TA
Textbook Problem
4 views

How much faster do fragments of diatoms fall when they are compacted into fecal pellets than when they are not? (Hint: See Table 5.1)

Expert Solution
To determine

The rate at which diatomic fragments fall when they are compacted into fecal pellets than when they are not.

Explanation of Solution

The minute particles that comprise most of these pelagic sediments would require between 20 and 50 years to settle to the ocean bottom. By that time, these minute particles would have floated a great lateral distance from their original surface position.

However, scientists have noticed that the composition of pelagic sediments is generally similar to that of the particle in the water directly above.

The reason why such tiny particles fall quickly enough to avoid great horizontal displacement is because of the compression into fecal pellets...

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Chapter 5 Solutions

Oceanography: An Invitation To Marine Science, Loose-leaf Versin
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Ch. 5.3 - Which type of sediment is most abundant?Ch. 5.3 - Which type of sediment covers the greatest seabed...Ch. 5.3 - Which type of sediment is rarest? Where does this...Ch. 5.3 - Do most sediments consist of a single type? (That...Ch. 5.3 - How do neritic sediments differ from pelagic ones?Ch. 5.4 - Are neritic sediments generally terrigenous or...Ch. 5.4 - What is lithification? How is sedimentary rock...Ch. 5.4 - Can you think of an example of lithified sediment...Ch. 5.5 - Do you think marine ecosystems could be buried and...Ch. 5.5 - Is there a silicon dioxide compensation depth?Ch. 5.6 - Why are Atlantic sediments generally thicker than...Ch. 5.6 - How do turbidity currents distribute sediments?...Ch. 5.6 - What is the origin of oozes? What are the two...Ch. 5.6 - What is the CCD? How does it affect ooze...Ch. 5.6 - How do hydrogenous materials form? Give an example...Ch. 5.6 - How do evaporites form?Ch. 5.7 - How are sediments studied?Ch. 5.7 - How have studies of marine sediments advanced our...Ch. 5.8 - Would you say the memory of the sediments is long...Ch. 5.8 - How might past climate be inferred from studies of...Ch. 5.9 - What percentages of the total production of...Ch. 5.9 - What products containing marine sediments have you...Ch. 5.9 - Other than petroleum and natural gas, what is the...Ch. 5.9 - How far back in time can the memory of the ocean...Ch. 5 - Is the thickness of ooze always an accurate...Ch. 5 - What is the calcium carbonate compensation depth?...Ch. 5 - What sediments accumulate most rapidly? Least...Ch. 5 - Can marine sediments tell us about the history of...Ch. 5 - What problems might arise when working with...Ch. 5 - Given an average rate of accumulation, how much...Ch. 5 - Microtektites are often found in fieldselongated...Ch. 5 - How much faster do fragments of diatoms fall when...

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