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Contents of 5.4 How does loose sediment become sedimentary rock?

5.4 How does loose sediment become sedimentary rock?

Fig 5.9

• The second step - cementation
• Dissolved ions precipitate in pore space, "glueing" minerals together literally as a cement.
• Temperature effects
• Calcite dissolves better in cold water and comes out when warmed
• Silica dissolves better in warm water and comes out of solution when cooled.
• Cementation decreases pore space