Marine Sediment Quiz

Manganese nodules are considered to be:

• hydrogenous sediments.

• lithogenous sediments.

• biogenous sediments.

• cosmogenous sediment.

Which is NOT a lithogenous sediment?

• river sand

• quartz-rich beach sand

• lime mud

• wind-blown dust

What rock type makes up coral reefs?

• limestone

  (calcium carbonate)

• chert

  (silicon dioxide)

• gypsum

  (calcium sulfate dihydrate)

• halite (rock salt)

Beach deposits are an example of

• hydrogenous sediment.
• cosmogenous sediment.
• biogenous sediment.
• lithogenous sediment.

This is the largest intact meteorite. If it was broken down into sediment, what kind would it be?

• Lithogenous 
• Biogenous 
• Hydrogenous
• Cosmogenous

What is the origin of this sediment? These are tiny shells called "tests." 

• Lithogenous 
• Biogenous 
• Hydrogenous
• Cosmogenous

Sediments made from microscopic shells that settle to the bottom when the organisms that produced them die are called

• biogenous sediments.

• hydrogenous sediments.

• manganese nodules.

• terrigenous sediments.

Which means the same as lithogenous?

• biogenous

• authigenous

• terrigenous

• cosmogenous

Small, solid pieces of materials from rocks or living things

• sediment
• clastic rock
• organic rock
• deposition

Pelagic deposits form

• in deep ocean basins.
• on the continental shelf.
• on the continental slope.
• in warm shallow water.