Question

State the economic importance of sedimentary rocks​

Answer 1

Answer:

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Explanation:

Sedimentary Rocks

Sedimentary rocks are formed when eroded fragments of old rocks and dead organisms settle (usually in seas or rivers) to form a sediment. Over millions of years, layers of sediment build up and are buried one on top of the other. They are compressed, and their weight squeezes out the water. Eventually the pieces of rock in the sediment become bonded together to form sedimentary rocks.

Sedimentary rocks are laid down in layers called beds or strata. Each new layer is laid down horizontally over older ones. There are usually some gaps in the sequence called unconformities. These represent periods in which no new sediments were being laid down, or when earlier sedimentary layers were raised above sea level and eroded away.

Answer 2

Answer:

Sedimentary rocks are economically important in that they can easily be used as construction material because they are soft and easy to cut. Sedimentary rocks often form porous and permeable reservoirs in sedimentary basins in which water and important minerals such as oil can be found.

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