4. Sedimentology and Stratigraphy
Sedimentary Structures — Quiz
Test your understanding of sedimentary structures with 5 practice questions.
Practice Questions
Question 1
What is the primary environmental interpretation of symmetrical ripple marks found in a sandstone?
Question 2
Cross-bedding is a common sedimentary structure. What primary information can be reliably inferred from the orientation of the cross-beds?
Question 3
A geologist observes a sedimentary sequence that fines upward, starting with coarse sand at the bottom and gradually transitioning to fine silt at the top. This feature is known as graded bedding. What depositional process is most likely responsible?
Question 4
Which of the following sedimentary structures is a clear indicator of subaerial exposure (exposure to the air) and desiccation?
Question 5
Which of the following is considered a secondary (or post-depositional) sedimentary structure?