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18-Geol-A3 Sedimentation and Stratigraphy: May 2018

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Sandstone Classification Procedure
  2. Question 2 Limestone Classification — Dunham/Embry & Klovan and Folk
  3. Question 3 Mineralogical vs. Textural Maturity of Sandstones
  4. Question 4 Sorting and Its Depositional Significance
  5. Question 5 Chemical vs. Physical Weathering
  6. Question 6 Paleosol Definition and Field Recognition
  7. Question 7 Sedimentary Basins and Tectonic Regimes
  8. Question 8 Bouma Sequence and the Turbidite Depositional Model
  9. Question 9 Depositional Environments by Setting
  10. Question 10 Cruziana Ichnofacies
  11. Question 11 Fundamental Unit of Biostratigraphy
  12. Question 12 Index Fossils and Their Criteria
  13. Question 13 Chronostratigraphy vs. Geochronology
  14. Question 14 Facies and Walther's Law
  15. Question 15 Conformable vs. Unconformable Stratigraphic Contacts
  16. Question 16 Paleomagnetic Applications to Stratigraphy
  17. Question 17 Parasequence Definition
  18. Question 18 Forced Regression and the Falling-Stage Systems Tract
  19. Question 19 Concordant and Discordant Sequence-Boundary Configurations

Start with Question 1 →

EGBC National Exam — Geological Engineering, 04-Geol-A3, Sedimentation & Stratigraphy, 2018-May. Closed book, no calculator, 3 hours, 80 marks total. Part 1 (Questions 1–10, Sedimentology and Sedimentary Processes, 50 marks) instructs "Questions 1 and 2 must be answered (10 points each); answer any FIVE of Questions 3–10 (6 points each)." Part 2 (Questions 11–19, Stratigraphy, 30 marks) instructs "Answer any FIVE of Questions 11 to 19 (6 points each)."

Reference texts: Nichols, Sedimentology and Stratigraphy, 2nd ed. (depositional environments, facies models, sequence stratigraphy, biostratigraphy and correlation); Boggs, Petrology of Sedimentary Rocks, 2nd ed. (sandstone and carbonate classification, weathering, diagenesis); Bjorlykke, Petroleum Geoscience: From Sedimentary Environments to Rock Physics, 2nd ed. (basin settings, reservoir facies).