Create an account
Ocean depths are routinely determined by ___________.
sending sound through the water and determining the time required for it to return to the ship
What happens to the ocean water over a seamount on the ocean floor when measured from a satellite?
The ocean water rises up to form a mound based on the mass of the seamount.
If you could walk out away from shore across the sea floor on a passive continental margin, what is the order of provinces you would cross?
continental shelf, slope, and then the rise
A small, rounded, submerged volcanic hill that rises less than 1 kilometer (0.6 mile) above the sea floor is called __________________.
Where would you expect to find well-developed continental shelves?
along passive continental margins
The continental margin of the U.S. Atlantic coast is ____________ continental margin, and the continental margin off the west coast of South America is _____________ continental margin.
a passive; a convergent-active
What process is primarily responsible for the formation of the continental rise along the East Coast of the United States?
deposition of sediment by turbidity currents as deep-sea fans
Which of the following best describes a continental borderland?
a series of islands, shallow banks, and deep basins
The steep transition zone between the outer edge of the continental shelf and the deep-ocean basin is called the ____________________.
Pillow lavas (pillow basalts) indicate that molten lava came in contact with water and cooled very quickly.
The Andes Mountains, which are a tall mountain range along the west coast of South America, are associated with an active continental margin.
Turbidity currents are highly erosive and are thought to be responsible for the creation of deep-sea trenches
Which of the following statements concerning graded bedding deposits is FALSE?
They result from successive lava flow.
Which of the following statements about submarine canyons is FALSE?
They are found only off of mountainous coasts.
Of the following, which is the best description of a sea floor hydrothermal vent?
a chimney that emits a column of hot, cloudy water formed from the precipitation of metal-rich minerals
Why does the mid-ocean ridge have a zigzag appearance?
It accommodates spreading of a linear ridge system on a spherical Earth.
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together