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Questions and Answers
What is the process by which sediments combine to form sedimentary rocks?
What is the process by which sediments combine to form sedimentary rocks?
- Erosion
- Lithification (correct)
- Volcanism
- Tectonism
Which method involves the consolidation of sediments under intense pressure?
Which method involves the consolidation of sediments under intense pressure?
- Recrystallization
- Weathering
- Cementation
- Compaction (correct)
What is the process where dissolved minerals bind sediment grains together?
What is the process where dissolved minerals bind sediment grains together?
- Deposition
- Cementation (correct)
- Erosion
- Weathering
In which type of sedimentary rocks is recrystallization commonly seen?
In which type of sedimentary rocks is recrystallization commonly seen?
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What does the Greek word 'lithos' mean?
What does the Greek word 'lithos' mean?
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Study Notes
- Lithification is the process by which sediments combine to form sedimentary rocks, derived from the Greek word "lithos" meaning rock.
- Two main ways lithification occurs are compaction and cementation, with a third method being recrystallization for certain sediments.
- Compaction involves the consolidation of sediments under intense pressure from overlying deposits, rearranging grains and reducing pore spaces.
- Cementation is the process where dissolved minerals crystallize and bind sediment grains together, forming sedimentary rocks.
- Recrystallization is the transformation of unstable minerals into stable ones, causing grains to bind together, commonly seen in the formation of limestone and other chemical sedimentary rocks.
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