Marine Sediment

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

• Lithogenous 

• Biogenous 

• Hydrogenous

• Cosmogenous

Tags

NGSS.MS-ESS2-3

Manganese nodules are considered to be:

• hydrogenous sediments.

• lithogenous sediments.

• biogenous sediments.

• cosmogenous sediment.

Beach deposits are an example of

• hydrogenous sediment.

• cosmogenous sediment.

• biogenous sediment.

• lithogenous sediment.

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.

Match the following

• Derived from water chemistry

• Cosmogenous

• Derived from the remains of living organisms

• Biogenous

• Derived from outer space

• Lithogenous

• Derived from the breakdown of rocks

• Hydrogenous

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.

What rock type makes up coral reefs?

• limestone

  (calcium carbonate)

• chert

  (silicon dioxide)

• gypsum

  (calcium sulfate dihydrate)

• halite (rock salt)

if more than 30% of an area's sediment is made up of biogenous particles, it is called a(n)

• ooze

• slush

• mud

• silt

How many different marine sediment sources do we distinguish?

• 2

• 3

• 4

• 5