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A type of rock that has layers and is made from small grains is sedimentary rock. Sedimentary rocks form when sediments such as sand, silt, or clay are compacted and cemented together over time. Examples of sedimentary rocks include sandstone and shale.
sedimentary
Chemical sedimentary rocks form by precipitation of minerals from water. Precipitation is when dissolved materials come out of water. For example: Take a glass of water and pour some salt (halite) into it. The salt will dissolve into the water.
Limestone is an example of a sedimentary rock that can be formed through both chemical and organic processes. It can be formed chemically by the precipitation of calcium carbonate from water, or organically through the accumulation of marine organisms like corals and shellfish.
There's an example of some beautiful sedimentary rock a little farther down the gorge.
Sedimentary rocks form through different processes: Detrital (Clastic) Rocks: Formed from the accumulation of fragments of pre-existing rocks, which are compacted and cemented together, like sandstone. Chemical Rocks: Formed from the precipitation of minerals from water, often due to evaporation, such as limestone. Organic Rocks: Formed from the accumulation of plant or animal debris, like coal, which originates from decomposed organic material. Examples include sandstone (detrital), limestone (chemical), and coal (organic).
It can be. Some limestone is formed from the precipitation of calcite from saturated solutions, and is considered a chemical sedimentary rock. Other limestone that consists largely of the skeletal remains of marine organisms is considered bio-clastic, a cross between an organic and a detrital sedimentary rock. Typical detrital sedimentary rocks are those composed mostly of particles of pre-existing rock, although organic matter may be included; examples would be sandstone, shale, and conglomerate.
Detrital sedimentary rocks are composed of particles or fragments of pre-existing rocks, minerals, or organic material that have been weathered, transported, and deposited by erosion. These particles are typically deposited in layers and can accumulate to form rocks such as sandstone, shale, and conglomerate. Their composition and texture depend on the source material, the distance of transport, and the conditions of deposition.
A type of rock that has layers and is made from small grains is sedimentary rock. Sedimentary rocks form when sediments such as sand, silt, or clay are compacted and cemented together over time. Examples of sedimentary rocks include sandstone and shale.
A calcitic stalactite.
There are two processes in which sedimentary rocks form. One is chemical, and the other is by deposition (sediment being deposited and then cemented together). Examples of chemical sedimentary rocks are limestone, dolomite, and rock salt.
Chemical sedimentary rocks
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sedimentary
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Chemical sedimentary rocks form by precipitation of minerals from water. Precipitation is when dissolved materials come out of water. For example: Take a glass of water and pour some salt (halite) into it. The salt will dissolve into the water.