Quiz 8 Flashcards
Which of the following are not an example of island arcs caused by subduction?
Hawaiian Islands
Why are Guyots (also known as table mounts) flat on top?
They are flattened by wave action.
Which of the following about the Axial Seamount is not true?
It rises nearly to the surface (within 100 meters).
Which of the following sediments cover the greatest area of seabed?
Biogenous sediments.
Which of the following is the most abundant sediment in the neritic deposits?
Terrigenous sediments.
Which of the following is generated in place, on the spot where we find them?
Hydrogenous (or authigenic) sediments.
Which of the following is of organic origin; i.e., made by organisms?
Biogenous sediments.
Which of the following arrive in the ocean from continents via rivers?
Terrigenous sediments.
Sediments that originate in the ocean are called:
pelagic sediments.
The age of most marine sediments is:
rarely older than 180 million years old.
