Oceanography (Chp. 3 Quiz)

What process is primarily responsible for the formation of the continental rise along the East Coast of the US

Deposition of sediment by turbidity currents as deep-sea fans

Which of the following is NOT true of submarine canyons?

They are found only off mountainous coasts

Pillow lavas (pillow basalts) indicate that molten lava came in contact with water and cooled very quickly

True

A small, rounded, submerged volcanic hill that rises less than 1 kilometer (0.6 mile) above the sea floor is called a/an

abyssal hill

The most gradual change in slope in the ocean can be found at the:

abyssal plain

The Ring of Fire is located

around the margins of the Pacific Ocean

Bathymetry involves the measurement of the

depth of the ocean floor below sea level

The continental margin of the U.S. Atlantic coast is a/an ____________ continental margin, and the continental margin off the west coast of South America is a/an _____________ continental margin

passive; convergent-active

Measurement of ocean floor bathymetry from satellites relies on

sea surface elevation, which varies depending on the shape of the underlying sea floor

The correct order of marine provinces from the coast to the mid-ocean ridge is:

shelf, slope, rise, abyssal plain

The two relatively flat areas on the hypsometric curve represent:

some interior continental areas/ coastal plains and abyssal plains

The method that is most frequently used to investigate sediment and rock layers of the sea floor is:

sound waves.

Abyssal hills are only visible in the Pacific Ocean because:

they are higher in the Pacific than in the other ocean basins

All of the following are true about fracture zones, EXCEPT

they are transform plate boundaries

All of the following features are associated with the crest of the mid-ocean ridge, EXCEPT

trenches

Of the following statements, which best describes a continental borderland?

A series of islands, shallow banks, and deep basins

Turbidity currents are highly erosive and are thought to be responsible for the creation of deep-sea trenches.

False

Which of the following is NOT true concerning a graded bedding deposit?

It results from successive lava flows

Characteristics of active continental margins include all of the following except

broad continental shelf

you were to walk out away from shore across a passive continental margin, what is the order of provinces you would cross?

continental shelf, slope, then the rise

The steep transition zone between the outer edge of the continental shelf and the deep-ocean basin is called the

continental slope