Which process of sedimentary rock formation occurs last?

cementation
compaction
deposition
erosion

The correct answer is cementation.

Explanation:

Cementation is the last step in the sedimentary rock formation process. In fact, the correct order is: weathering of rocks, transport of the weathering products, deposition of the material, compaction and cementation.

Sedimentary rocks are formed from fragments of other rocks. During weathering, the rocks on the Earth's surface disintegrate and fracture, leading to erosion.

These fragments will then be transported by water, wind, or ice, and as they do so they become even more fragmented.

The largest remaining parts of this transport are deposited near its source in the form of one layer on top of another horizontally.

Finally, this material compacts and expels the water it carries in the pores.

The minerals crystallize the water and form crusts, cementing the sediments and forming new rocks.

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