Not all rocks are, only sedimentary rocks are truly made up of sediments. Some metamorphic rocks do because they are formed when heat and pressure are applied to sedimentary rocks, which makes sediments the basis of these rocks as well
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Sedimentary rocks form when sediments such as sand, mud, and organic material are compacted and cemented together over time. These sediments can accumulate in various environments such as rivers, lakes, oceans, and even on land. After burial and compaction, the sediments undergo lithification to become sedimentary rocks.
The breaking up of rocks into sediments is called weathering. Weathering can be physical (mechanical) or chemical in nature, and it is a key process in the formation of sedimentary rocks.
Sedimentary rocks are formed through the accumulation and cementation of sediments or organic materials over time. These sediments can come from the erosion of pre-existing rocks, the remains of plants and animals, or chemical precipitation. Through processes like compaction and cementation, these sediments are eventually lithified into sedimentary rocks.
Not all rocks are, only sedimentary rocks are truly made up of sediments. Some metamorphic rocks do because they are formed when heat and pressure are applied to sedimentary rocks, which makes sediments the basis of these rocks as well
Sedimentary rocks.
Sedimentation
Sedimentary rocks.
The lithosphere includes rocks and sediments. This is the outermost solid part of the Earth, consisting of the crust and upper mantle. Rocks and sediments are part of the lithosphere's composition.
When rock compacts
Technically rocks are not sediments, rather sediments are derived from weathered rock material. These sediments may conslidate and form rocks such as sandstones and mudstones, which include shales and siltstones. This variety of rock types is of sedimentary origin. Other types of rocks are formed by igneous and or metamorphic processes. Hope that answers your question.
by sediments
they are used for rocks
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Rocks that are formed by layers of sediments that are compacted over time are appropriately named sedimentary rocks.
There are four types of sediments that create sedimentary rocks. The fours types of rocks are sandstone, mudrocks, biochemical and chemical.