GEOLOGY

EARTH SCIENCE

SEDIMENTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which process best describes compaction?
A
particles are squeezed together under pressure
B
particles glue together as minerals harden
C
sediment settles
D
None of the above
Explanation: 

Detailed explanation-1: -Explanation: Lithification is the processes where rock particles are compacted and cemented together from pressure to form sedimentary rock.

Detailed explanation-2: -Lithification (from the Ancient Greek word lithos meaning ‘rock’ and the Latin-derived suffix-ific) is the process in which sediments compact under pressure, expel connate fluids, and gradually become solid rock. Essentially, lithification is a process of porosity destruction through compaction and cementation.

Detailed explanation-3: -happens when sediments are deeply buried, placing them under pressure because of the weight of overlying layers. This squashes the grains together more tightly.

Detailed explanation-4: -Compaction is when sediment is pushed together by the weight of water and other sediment pushing down on it. Cementation is the last stage in the cycle and happens when sediment is glued together by minerals such as silica and calcium carbonate as the minerals infiltrate pore space between compacted sediment.

Detailed explanation-5: -Cementation. Another way lithification of sediments occurs is through cementation. Cementation is the process by which dissolved minerals crystallize and glue sediment grains together.

There is 1 question to complete.