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Metasedimentary rock

From Wikipedia, the free encyclopedia

In geology, metasedimentary rock is a type of metamorphic rock. Such a rock was first formed through the deposition and solidification of sediment. Then, the rock was buried underneath subsequent rock and was subjected to high pressures and temperatures, causing the rock to recrystallize. The overall composition of a metasedimentary rock can be used to identify the original sedimentary rock, even where they have been subject to high-grade metamorphism and intense deformation.[1]

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Types of metasedimentary rocks

Sedimentary rock Metamorphic equivalent
Pure Limestone Marble[2]
Impure (Silica or clay-rich) Limestone Calc–silicate rock[2]
Mudstone Pelite
Siltstone Semi-pelite
Sandstone Psammite, Quartzite[2]
Conglomerate Metaconglomerate
Shale Slate

See also


  1. ^ Vernon, R.H. & Clarke, G.L. 2008. Principles of metamorphic petrology, Cambridge University Press, 460pp.
  2. ^ a b c Arndt, Nicholas (2011). "Metasediments". Encyclopedia of Astrobiology. Springer, Berlin, Heidelberg. pp. 1021–1022. doi:10.1007/978-3-642-11274-4_973. ISBN 978-3-642-11271-3.
This page was last edited on 5 July 2019, at 07:13
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