Sediments Found On Continental Margins Are Called

Question: The most likely place to find abundant manganese nodules is on the:

Answer: abyssal plain far from a continent

Question: In contrast to manganese nodules which form on the abyssal plain, phosphate-rich nodules form in

_________.

(a) continental shelf waters

(b) estuaries

(d) intermediate to shallow depth water

(e) mid-ocean ridge

Answer: d. intermediate to shallow depth water

Question: Sediments found on continental margins are called:

Answer: neritic

Question: A pelagic clay contains lots of material that settle to the seafloor through the water column and are

_________.

(a) less than 30% biogenous material

(b) more than 30% biogenous material

(d) less than 30% neritic material

(e) more than 30% neritic material

Answer: less than 30% biogenous material.

Question: a very important way to increase the settling rate of fine particles in the open ocean is by

Answer: fecal pellets