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24-Pet-A1 Principles of Stratigraphy and Sedimentation: December 2015

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

  1. Question 1 Paleocurrent Structures and Rose-Diagram Patterns
  2. Question 2 Sandstone Components and the QFL Classification
  3. Question 3 Carbonate Textural Terms – Wackestone, Packstone, Grainstone, Rudstone, Framestone
  4. Question 4 Deltaic Depositional System
  5. Question 5 Stylolite Formation
  6. Question 6 Bedded vs. Nodular Chert
  7. Question 7 The Bouma Sequence
  8. Question 8 Rip Currents and Longshore Currents
  9. Question 9 Storm-Dominated Shelf Log Between Fair-Weather and Storm Wave Base
  10. Question 10 Alteration of CaCO 3 Hard Parts with Increasing Water Depth
  11. Question 11 Nereites Ichnofacies
  12. Question 12 Facies and Walther's Law of Succession of Facies
  13. Question 13 Unconformities and Their Types
  14. Question 14 Depositional Sequences, System Tracts and Sea-Level Change
  15. Question 15 Fundamental Units of Lithostratigraphy and Biostratigraphy
  16. Question 16 Systems of the Paleozoic, Mesozoic and Cenozoic Erathems
  17. Question 17 Transgression and Regression
  18. Question 18 Types of Contact Between Conformable Lithostratigraphic Units

Start with Question 1 →

EGBC National Exam — Petroleum Engineering, 98-Pet-A1 Principles of Stratigraphy & Sedimentation, 2015-Dec. 3 hours duration; closed book, no calculator permitted. The paper has two parts: Part A (Questions 1–11, sediments/sedimentary rocks/sedimentary processes – Questions 1–4 at 10 marks each and Questions 5–11 at 5 marks each; answer any combination of questions totaling 45 marks) and Part B (Questions 12–18, stratigraphy – Questions 12–14 at 10 marks each and Questions 15–18 at 5 marks each; answer any combination totaling 30 marks) – a 75-mark maximum (45 for Part A + 30 for Part B).

Reference texts: Boggs, S. Jr., Principles of Sedimentology and Stratigraphy, 5th ed., Pearson (grain texture, sediment transport, bedforms, carbonate/evaporite systems, sequence stratigraphy, unconformities, stratigraphic principles); Tucker, M.E., Sedimentary Petrology, 3rd ed., Blackwell (carbonate classification, diagenesis, dolomitization); Nichols, G., Sedimentology and Stratigraphy, 2nd ed., Wiley-Blackwell (fluvial systems, sequence stratigraphy, stratigraphic units); Reading, H.G. (ed.), Sedimentary Environments: Processes, Facies and Stratigraphy, 3rd ed., Blackwell (facies models, trace fossils, coastal processes); Selley, R.C. & Sonnenberg, S., Elements of Petroleum Geology, 3rd ed., Academic Press (source rocks, reservoir quality); International Commission on Stratigraphy, International Chronostratigraphic Chart (geological time scale).