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Clerical:
Quizzes 13-16 are due by Noon on Friday, 4/23/10.
The Exam #4 Study Guide is posted.
Reminder: Homework #10 (Graded) is posted. It is due Friday (4/30/10).
Themes of the Day:
- Depositional Environments
- Sedimentary Structures
- Lithification
Depositional Environments
- Figure 8-4 - Block Diagram, Explanation
- Terrestrial
- Rivers (channel, floodplain)
- Lakes
- Deserts
- Glaciers
- Marine
- Coastlines
- Deltas
- Shallow Marine
- Deep Marine
Sedimentary Structures
Lithification
Diagenesis - processes by which a sediment is transformed into a sedimentary rock
- Compaction - decrease in pore space - often due to burial
- Cementation - mineral "glue" fills in remaining pore spaces
- Dissolution/precipitation by pore waters
- Recrystallization (but not too much)
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