They form by sediments of rocks getting squeezed together at the bottom of a lake. Some of those rocks are Conglomerate, Limestone, and Sandstone.
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Weathering
Sedimentary rocks are made up of materials that were once part of another rock. Most sediments are deposited on ocean floors or at the bottom of rivers and lakes.Clastic sedimentary rocks form from layers of sediments. Pressure causes the water around the sediments to be squeezed out and the sediments are cemented together.
Rocks made from sediments being compacted & cemented together.
sedimentary rocks
Heat, pressure, and/or weathering changes rocks into other forms. For an igneous rock to become sedimentary rock, it would firts need to be broken down by weathering or pressure. (As of now, it's simply sediments.) For it to become sedimentary rock,those sediments must then be pressurized or "glued" together by minerals seeping into pore space and performing a process called cementation in which sediments are platered together.
No matter what kinds of rocks they are they can be changed into any other kind of rock. Sedimentary rocks and igneous rocks can become metamorphic rocks with either contact or regional metamorphism. This means that either the rocks have been in contact with or close to high heat and high pressure that changes the rock.
Answer: No, only ingenous rocks undergo crystallization. :)
Sedimentary rock.
Metamorphic rocks change into sediments through weathering
erosion remove rocks and sediments
Sediments are produced
erosion
Loose sediments can become a sedimentary rock through the process of lithification. These sediments are compacted due to intense pressure and then undergo cementation to form sedimentary rocks.
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Weathering and erosion.
The length of time that the sediments that compose the rocks are eroded causes the sediments in a conglomerate to become rounded.
The process of sediments being compacted and cemented to form sedimentary rocks is called lithification.
Because some sedimentary rocks are made from different kinds of sediments.