Petrology and Geochemistry of the Ongoing Pu'u 'Ō'ō Eruption of Kīlauea Volcano, Hawai'i (1983-2009)
Andrew R. Greene (Hawai'i Pacific University; email@example.com)
Michael O. Garcia (University of Hawai'i at Mānoa; firstname.lastname@example.org)
Tim Orr (U.S. Geological Survey; email@example.com)
This activity was selected for the On the Cutting Edge Exemplary Teaching Collection
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This page first made public: Mar 21, 2018
- Pre-lab material on the Hawaiian hotspot and the Pu'u 'Ō'ō eruption includes maps, diagrams, photographs, video footage, and a pre-lab reading with homework questions.
- The lab activity involves examination of hand samples (available on request) and photomicrographs of lavas from distinct intervals of the Pu'u 'Ō'ō eruption, working in groups assigned to particular intervals of the eruption to make time-series analyses of lava geochemistry, and synthesis of the background information, petrography, and geochemistry to evaluate crustal processes of magmatic evolution followed by presentation of results to other groups.
Skills and concepts that students must have mastered
How the activity is situated in the course
- magmatic processes in basaltic systems;
- hotspot volcanism; or
- using geochemical data in Earth systems.
Content/concepts goals for this activity
- integrating observations from multiple resources on active hotspot volcanism in Hawaii (e.g. maps, photographs, satellite imagery, video footage, background reading, monitoring data);
- observing hand samples and thin-sections of recently erupted lavas;
- making and interpreting geochemical plots of lavas from eruptions on Kīlauea Volcano as part of a time-series analysis;
- formulating and evaluating hypotheses on crustal magmatic processes; and
- synthesizing, presenting and discussing information about petrologic processes associated with active volcanism at Kīlauea Volcano.
Higher order thinking skills goals for this activity
Other skills goals for this activity
1. integrating observations from diverse sources of background information presented on the World Wide Web;
2. working with geochemical data to critically evaluate hypotheses of magmatic processes;
3. collaborating on a particular phase of the eruption in preparation for group oral presentation and discussion.
Description of the activity/assignment
- Pre-lab material provides background on the Hawaiian hotspot and the current eruption utilizing maps, diagrams, information, photographs, and video footage of the Pu'u 'Ō'ō eruption with written questions that test understanding of this material.
- Examination of hand samples (available on request) and photomicrographs of lavas from a distinct interval of the Pu'u 'Ō'ō eruption with group partners in lab.
- Working within groups assigned to particular intervals of the eruption to make time-series analyses of lava geochemistry from the Pu'u 'Ō'ō eruption to evaluate crustal processes of magmatic evolution.
- Interpretation and synthesis of background information, petrography, and geochemistry, and presentation of results and interpretation with group partners at the beginning of the next lab period.
Determining whether students have met the goals
Download teaching materials and tips
- Materials for the lab activity Activity Description/Assignment (Zip Archive 10.2MB Nov10 10)
- **For Instructor--Overview of the lab activity and details (READ FIRST**) Pu‘u ‘Ō‘ō lab teacher introduction (Microsoft Word 49kB Jul23 10)
- **For Instructor--Geochemical plots for activity, additional background, and additional exercises Pu‘u ‘Ō‘ō lab supporting materials (Zip Archive 282kB Feb10 11)
A list of selected references for the lab is included with the supporting materials.