Ocean 115 - Introduction to Oceanography » Spring 2021 » Week 5 Post Reading Quiz Sediments

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

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