15.4F| Relative Dating and Geologic History Diagrams

Relative dating is an important tool for geologists to reconstruct a series of events quickly, especially in the field. In the following section, apply what you have learned regarding relative time to the questions below.

Instructions

Complete all of the proceeding assignments so you have the background information needed to answer interpret the illustrations and answer the questions. Study each illustration and consider what you have learned about relative dating techniques, i.e. superposition, cross-cutting relationships, etc. Answer each question accordingly. You have no time limit and three attempts. 

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Time Needed

30-60 minutes.

Learning Objectives

• Use the principles of relative dating to arrange the sequence of geologic events in geologic cross-sections 
• Identify unconformities and geologic structures in photos, illustrations, cross-sections, and block diagrams