Chapter Two:
Degradation of Geologic Resources
Review Questions
1. Briefly describe the Mantle Plume Theory which explains the
volcanic activity at Craters of the Moon. What physical evidence
supports this theory?
2. What is the Great Rift?
3. What is Basin and Range faulting?
4. How old are the lava flows at Craters of the Moon?
5. List three features typical of basalt eruptions and describe
how they form.
6. Is the lava landscape at Craters of the Moon as
indestructible as it appears to be? What kind of activities may damage
it?
7. Why does damage to the geologic features at Craters of the
Moon not disappear with time?
8. How do you feel about not being allowed to go off of the
trail at the Spatter Cones and on the North Crater Flow?
9. Should Craters of the Moon visitors have access to all areas
of the monument?
10. What constitutes an acceptable level of human impact?
11. What can visitors do to help the National Park Service
preserve the geologic features at Craters of the Moon National Monument?
Table of Contents | Introduction | Chapter 1 - 2 - 3 - 4 - 5 - 6