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Activities (3)

Granitic Rocks and Geologic History of the Idaho Batholith part of Cutting Edge:Courses:Petrology:Teaching Examples
This is a lab/project in which the students not only name and identify a suite of granitic rocks but try to piece together the tectonic and geologic history of the Idaho batholith. This activity brings together the ...

Major Element Fractionation During Differentiation part of Cutting Edge:Courses:Petrology:Teaching Examples
This problem set introduces some of the more advanced uses of Excel to not only calculate how the chemistry of a magma changes with crystallization but also to see how the liquidus assemblage can drastically change ...

The nature of volcanism as controlled by viscosity part of Cutting Edge:Courses:Petrology:Teaching Examples
This activity is fun to include in a classroom. This activity has the students design demonstrations using ketchup and peanut butter to document how viscosity differences between rhyolite and basalt control various ...