Which one of the following statements concerning oceanic ridges is false?
A)They are sites for submarine eruptions of basaltic lava.
B)They are the place where young lithosphere is added to the edges of diverging plates.
C)Sediments include thick siliceous ooze deposits and sandy turbidite beds.
D)Terrigenous sediment coverings are very thin or absent.

Question

Quizplus · Accepted Answer

Siliceous ooze deposits and turbidite beds are not commonly found on oceanic ridges because these ridges are primarily composed of volcanic rock and do not provide the necessary conditions for the accumulation of these types of sediments. Terrigenous sediment coverings are also usually absent on oceanic ridges because the high rate of volcanic activity and tectonic movement quickly bury any such sediment.

Which One of the Following Statements Concerning Oceanic Ridges Is