Marine Sediments

Eroded particles of dirt, dust, etc. that have settled out of water and accumulated on the ocean floor.

• cores

• siliceous ooze

• sediment

• texture

Comes from preexisting rock material.

• cosmogenous sediment

• biogenous sediment

• hydrogenous sediment

• lithogenous sediment

Lithogenous sediment comes from all of the following EXCEPT

• dead marine life

• volcanic eruptions

• glaciers

• wind storms

If you go to the ocean floor in the abyss, you will find this type of lithogenous sediment.

• abyssal ooze

• quartz

• abyssal clay

• marine snow

Tags

NGSS.MS-ESS3-1

Sediment derived from the dissolved material in water.

• lithogenous

• biogenous

• hydrogenous

• cosmogenous

Rounded hard lumps of manganese, iron, and other metals.

• Manganese rocks

• Manganese nodules

• Metal nodules

• Manganese tubercles

Molten pieces of crust created by impacts in space, that rain down on Earth and can form fields.

• Lithos

• Stalagmite

• Tektite

• Asteroid

Lithogenous and biogenous sediment rarely occur as an absolute pure deposit.

• True

• False

Zone where most biogenous sediment is found

• neritic

• pelagic

• limnetic

• trench

Shells of microorganisms are called

• carapace

• pod

• tests

• plastron