Exam 11: The Ocean Floor

________ are regions where the thickest accumulations of sedimentary strata occur.

The ________ is a gently sloping submerged surface that extends from the shoreline to the deep-ocean basin.

The continental rise is located ________.

A(n)________ is a conical or elongate volcanic mountain, built up from the deep seafloor, but not high enough to reach the sea surface.

Which one of the following did not accompany the 1929 Newfoundland ML 7.2 earthquake?

Submarine canyons are eroded at least in part by ________.

________ is/are not part of an ophiolite complex.

How do calcareous oozes form?

The geologic process responsible for the most rugged relief on the seabed of a passive continental margin is ________.

Name a deep-ocean trench and volcanic arc pair that is found in the Atlantic Ocean.

Ocean trenches are the sites where old oceanic lithosphere turns down and starts descending back into the mantle.

Which ocean floor sediment type includes diatom ooze?

Which sediment type comprises rounded blackish lumps of metallic compounds on the seafloor?

What are the three reef forming stages in forming a coral atoll from a subsiding volcanic island?

How does the continental rise form?

Which one of the following statements regarding turbidity currents is true?

If the seafloor is all made at the mid-ocean ridge system, and there its topography is rough, how do the abyssal plains get so very flat?

________ develop where oceanic lithosphere bends downward and sinks into the mantle.

Geologically, ________ are actually submerged parts of the continents.

What is a striking characteristic of the Mid-Atlantic Ridge that the East Pacific Rise does not have?