Mapping commingled magmas, Eastern Head of Isle Au Haut, Maine
This activity has benefited from input from faculty educators beyond the author through a review and suggestion process.
This review took place as a part of a faculty professional development workshop where groups of faculty reviewed each others' activities and offered feedback and ideas for improvements. To learn more about the process On the Cutting Edge uses for activity review, see http://serc.carleton.edu/NAGTWorkshops/review.html.
This page first made public: Dec 12, 2011
Skills and concepts that students must have mastered
How the activity is situated in the course
Content/concepts goals for this activity
- Mapping contacts of igneous rocks.
- Measuring strike and dip and trend and plunge of planar and linear features.
- Identifying common igneous minerals and rock types.
- Geologic map and cross section compilation and construction.
Higher order thinking skills goals for this activity
- Understanding fluid to fluid contacts between magmatic rocks.
- Interpreting magmatic kinematics from data collected in the field.
- Inferring contacts and map patterns through the woods from areas of well exposed bedrock on the coast.
- Understanding the differences in physical properties of chemically distinct magmas (e.g. viscosity, melting temperature, density).
Other skills goals for this activity
- Learning to use the Brunton, GPS, and "base map with Mylar" method in the field.
- Using ArcGIS to make a geologic map.
- Oral presentation of research articles relevant to the project.
Description of the activity/assignment
Determining whether students have met the goals
Download teaching materials and tips
- Bedrock map of Isle Au Haut, Maine (Microsoft Word 33kB May24 10)
- PPT of Isle Au Haut regional and local geologic setting (PowerPoint 2007 (.pptx) 19.6MB May24 10)
- Weibe and Chapman paper about Isle Au Haut (Acrobat (PDF) 1.8MB May24 10)
- Paper by Chapman ad Rhodes (Acrobat (PDF) 1.2MB May24 10)