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
(c) hydrothermal vent areas
(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
(c) more than 30% hydrogenous 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