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

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