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.
Terrigenous
B.
Hydrogenous
C.
Biogenous
D.
Cosmogenous
Question #2
_________________ sediments are most abundant by volume.
A.
Terrigenous
B.
Biogenous
C.
Cosmogenous
D.
Hydrogenous
Question #3
Which sediment collection strategy will be best for preserving layers?
A.
Shovel
B.
Clamshell sampler
C.
Piston corer
Question #4
__________ increases with depth, and influences the calcium carbonate compensation depth.
A.
Acidity
B.
Current energy
C.
Temperature
D.
Sediment size
Question #5
Where would you expect to find turbidites?
A.
Spilling from a submarine canyon onto the continental shelf
B.
In the submarine canyon where it cuts into sediments of the continental slope
C.
Spilling from the mid-ocean ridge onto the abyssal plain
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.
Abyssal plain
C.
Submarine trench
D.
Continental shelf
Question #7
Which particle size has the fastest settling velocity in still water?
A.
fine sand
B.
silt
C.
coarse 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.
terrigenous
C.
biogenous
D.
hydrogenous
Question #10
Which statement is true of sediments in the ocean?
A.
Terrigenous sediments comprise a larger area than biogenous sediments.
B.
Hydrogenous sediments cover more volume than biogenous sediments.
C.
Terrigenous and biogenous sediments are equal in area and volume.
D.
Biogenous sediments comprise a larger area than terrigenous sediments.
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