Physical Geology 101
Sedimentary Rocks Study Guide


After the "Sedimentary Rocks" lecture and readings you should be able to answer and discuss the following questions.

What are the three classifications of sediment?

What is the clast size for sand?

How does sandstone differ in composition from arkose?

What is the difference between a conglomerate and a breccia?

Which of the weathering processes will produce clastic sediment?

What is chemical precipitation and what causes it?

What do limestone, coquina and chalk all have in common?

What is the easiest method to test limestone?

How does coal differ from peat?

What is biologic precipitation?

Why is limestone listed as both a chemical and a biologic sedimentary rock?

Which other rock is also listed as both chemical and biologic? How does this rock differ from limestone?

What is the Sedimentary Cycle?

Compare and contrast the processes of lithification. What is the difference between compaction, cementation and precipitation?

How is sediment transported from its point of origin?

How are sediments deposited?

What are the three major Environments of Deposition?

What are some of the specific environments within each of the major environments?

Why are Environments of Deposition important?

List and describe the major sedimentary structures.

What is a sedimentary facies?

Describe the sequence of rocks found in a transgressive and regressive facies sequence.

Transgressions and Regressions are the result of what process?