Exam 13: The Ocean Floor

Sediments derived primarily from the products of weathering on the continents are called ________.

It is thought that submarine canyons on the continental slope have been generated by ________.

Discuss the distribution of seafloor sediments in the ocean basins. What are the different types of sediments, and what are the factors that control their distribution (geologic setting, climate, etc.)?

The Atlantic and Pacific basins have oceanic ridges; the Indian Ocean has no oceanic ridge.

The BEST definition of the outer edge of the continental shelf is that point where ________.

The continental rise is located ________.

Flat-topped volcanic structures located on the floor of the deep ocean basin are termed ________.

Valleys that lead from the continental shelf into deeper waters are known as ________.

Label the different features of the passive continental margin on the diagram below.

Submerged, flat-topped seamounts are known as guyots.

Which one of the following is NOT part of the continental margin?

Which one of the following concerning mid-ocean ridges is false?

Abyssal plains with sediments covering the seafloor igneous rocks are more extensive in the central Pacific basin than in the North Atlantic.

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Matching. Match the ocean floor sediment with each phrase. -quartz sand

The gently sloping submerged surface extending from the shoreline toward the deep ocean is termed the ________.

Minerals that crystallize directly from seawater are examples of ________.

"Black smokers" are associated with ________.

Which one of the following would most likely be covered with thick turbidite layers?

Sand, silt, and clays deposited on the ocean floor are described as terrigenous sediments.