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No, because a sedimentary rock is formed from pieces of other rocks.
Sedimentary rock.
A sedimentary rock formed from pieces of other rocks is called a conglomerate. Conglomerates are made up of rounded or angular fragments of various sizes and types of rocks that have been cemented together.
sedimentary
Mechanically formed sedimentary rock , Chemically formed sedimentary rock and Organically formed sedimentary rock.
Sedimentary rock formed from pieces of once living organisms is called organic or biogenic sedimentary rock. This type of rock is made up of the remains of plants or animals that have been compacted and cemented together over time. Examples include limestone, coal, and chalk.
A rock formed as pieces older rock and sediment get pressed or cemented together.
Sedimentary rock formed from rock fragments is called clastic sedimentary rock. These rocks are made up of pieces of other rocks that have been weathered, transported, and then deposited and cemented together. Examples include sandstone, shale, and conglomerate.
Sedimentary rock can be formed from lithified sediments.
no not all rocks are formed by volcanoes because what about sedimentary rocks which are the rocks formed over a long period of time by little pieces of sand and rock etc. by wind and water
If the process of cementation is volcanic you get a "tuff". If the cementation post sedimentation of rock clasts you get a sedimentary rock which may be a breccia or a conglomerate.
Sedimentary rock is formed from the cementing of small pieces of older rocks, shells, soil, or dead plants and animals. These fragments, called sediments, can be compacted and cemented together over time to create sedimentary rock. Examples of sedimentary rocks include sandstone, limestone, and shale.