Karl Wirth


Macalester College

Karl Wirth is an igneous petrologist, geochemist, and Associate Professor of Geology at Macalester College. His research interests are concerned primarily with the origins of igneous rocks and the chemical evolution of the Earth's crust and upper mantle.

Webinar Leader, Workshop Leader, Website Contributor

Website Content Contributions

Activities (4)

Using An M&M Magma Chamber To Illustrate Magmatic Differentiation part of Petrology:Teaching Examples
Fractional crystallization by gravity settling can be illustrated using a model magma chamber consisting of M&M's®. In this model, each major cation (e.g., Si, Ti, Al, Fe, Mg, Ca, Na, K) is ...

On the Cutting Edge Exemplary Collection This activity is part of the On the Cutting Edge Exemplary Teaching Activities collection.
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Essay (1)

Karl Wirth part of Metacognition:Workshop 08:Participant Essays
Learning About Thinking and Thinking About Learning: Metacognitive Knowledge and Skills for Intentional Learners by Karl Wirth, Department of Geology & Center for Scholarship and Teaching, Macalester College In ...

Conference Presentations (4)

Understanding Graph Reading and Comprehension through Eye-Tracking: Evidence for the Expert/Novice Dichotomy part of Rendezvous 2015:Program:Abstracts
Graphical information is used in many aspects of our lives, including vocation, media, civic processes, scientific inquiry, and education, so graph comprehension is an essential skill for informed citizenry. ...

Other Contributions (6)

X-Ray Fluorescence (XRF) part of Nanotechnology in STEM:Methods
An X-ray fluorescence (XRF) spectrometer is an x-ray instrument used for routine, relatively non-destructive chemical analyses of rocks, minerals, sediments and fluids. It works on wavelength-dispersive ...