Answer the following questions using the information in the text, Roadside Geology of Hawaii, starting on p. 13, and these Web sites
Roadside Geology of Hawaii - p.13
The Origin of rejuvenation-stage volcanism still poorly understood
Evolution of Hawaiian Volcanoes
1. Discuss the rejuvenated (rejuvenation) stage in the lifestages of Hawaiian shield volcanoes.
2. When does rejuvenated stage occur?
3. What is the style of the eruption?
4. Why are the rejuvenated stage eruptions more explosive?
5. What is the composition of the magmas?
6. Why would the magmas not be tholeiitic basalt?
7. Which Hawaiian volcanoes are in the rejuvenated stage?
8. Discuss the rejuvenated stage volcanics on O’ahu.
9. Name as many rejuvenated stage volcanoes on O’ahu as you can.
10. Will O’ahu erupt again?
11. Why does the rejuvenated stage occur?