Ocean 115 - Introduction to Oceanography » Spring 2023 » Week 5 Post-reading Quiz Sediments

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Question #1
________________ sediments are most abundant by surface area.
A.   Terrigenous
B.   Cosmogenous
C.   Hydrogenous
D.   Biogenous
Question #2
_________________ sediments are most abundant by volume.
A.   Hydrogenous
B.   Terrigenous
C.   Cosmogenous
D.   Biogenous
Question #3
Which sediment collection strategy will be best for preserving layers?
A.   Piston corer
B.   Clamshell sampler
C.   Shovel
Question #4
__________ increases with depth, and influences the calcium carbonate compensation depth.
A.   Acidity
B.   Current energy
C.   Sediment size
D.   Temperature
Question #5
Where would you expect to find turbidites?
A.   Spilling from the mid-ocean ridge onto the abyssal plain
B.   In the submarine canyon where it cuts into sediments of the continental slope
C.   Spilling from a submarine canyon along the continental rise, stretching onto the abyssal plain
D.   Spilling from a submarine canyon onto the continental shelf
Question #6
Which areas of the ocean is most likely to have the least accumulation of sediment?
A.   Continental shelf
B.   Submarine trench
C.   Oceanic ridge
D.   Abyssal plain
Question #7
Which particle size has the fastest settling velocity in still water?
A.   silt
B.   coarse sand
C.   fine sand
D.   clay
Question #8
What is the particle size distribution from largest to smallest?
A.   coarse silt → granule → fine silt → clay
B.   cobble → boulder → granule → pebble
C.   boulder → granule → coarse sand → coarse silt
D.   coarse sand →granule →medium sand → fine sand
Question #9
What type of marine sediment is derived from igneous rock?
A.   cosmogenous
B.   biogenous
C.   terrigenous
D.   hydrogenous
Question #10
Which statement is true of sediments in the ocean?
A.   Biogenous sediments comprise a larger area than terrigenous sediments.
B.   Hydrogenous sediments cover more volume than biogenous sediments.
C.   Terrigenous sediments comprise a larger area than biogenous sediments.
D.   Terrigenous and biogenous sediments are equal in area and volume.

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