Page 124 - Geology of Carbonate Reservoirs

REVIEW QUESTIONS 105

REVIEW QUESTIONS

4.1. What is a “ carbonate platform ” ?

4.2. Name at least three varieties of platforms and explain how they are, or are
not, different.
4.3. What typically makes up the “ rim ” on rimmed shelves?
4.4. What is meant by “ standard microfacies ” ?
4.5. Does the “ carbonate factory ” operate to the same depths in tropical and
temperate seas? Explain.
4.6. What is the difference between lithostratigraphy and sequence stratigraphy?

4.7. Do “ formations ” have time signifi cance?

4.8. What is considered to be the “ basic mappable unit ” in lithostratigraphy?
4.9. What is the difference between “ absolute ” and “ relative ” geological time?

4.10. Does a seismic reflection (a line on a seismic profile) represent a time surface?
Explain.

4.11. How would you describe the depositional anatomy of a barrier island?

4.12. According to the usage in this book, what is a “ standard depositional

succession ” ?

4.13. Name the seven standard depositional successions that characterize all
carbonate platforms.
4.14. Do all seven standard depositional successions occur on both ramps and

shelves? Explain.

4.15. Give a concise definition of “ sequence stratigraphy. ”

4.16. What are examples of “ natural boundaries that delineate stratigraphic
successions ” ?

4.17. What are some causes of cyclicity in the stratigraphic record and what are
some examples of cycle duration (length of time occupied by cycles)?
4.18. There are significant differences between terrigenous sandstone and carbon-

ate sequence - stratigraphic relationships. Why?