EARTH SCIENCE
SEDIMENTS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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cementation
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compaction
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weathering
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erosion
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Detailed explanation-1: -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-2: -Compaction is what happens when something is crushed or compressed. In many places, garbage undergoes compaction after it’s collected, so that it takes up less space. The process of making something more compact, or dense and very tightly packed together, is compaction.
Detailed explanation-3: -Deposition is when the broken-off sediment pieces deposit in areas of lower elevation, usually in lakes and oceans. It is in these areas where compaction takes place. Compaction is when sediment is pushed together by the weight of water and other sediment pushing down on it.
Detailed explanation-4: -Compaction in geology is when sand, dirt, clay, and/or small rocks are pressed together over time so that the space between the pieces gets smaller. Compaction rocks are sedimentary rocks because it is through the process of compaction, and the following process of cementation, that forms sedimentary rock.
Detailed explanation-5: -As layers are piled one upon another, the sediments beneath are buried, sometimes by hundreds of metres of sediment above. The weight of these layers compacts (squashes down) the sediment grains. Minerals deposited from water in the spaces between the sediment grains gradually cements them together.