John Goodge

Geological Sciences

University of Minnesota-Duluth

Workshop Participant, Website Contributor

Website Content Contributions

Activity (1)

Extending Mineralogy by Electron Microprobe Analysis part of Cutting Edge:Petrology:Teaching Examples
This lab is designed to be a highly interactive lab session for a petrology course, where instructors provide a minimal level of essential background and then the entire group works together to explore mineral ...

On the Cutting Edge Exemplary Collection This activity is part of the On the Cutting Edge Exemplary Teaching Activities collection.
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Other Contributions (3)

Energy-Dispersive X-Ray Spectroscopy (EDS) part of Integrating Research and Education:Geochemical Instrumentation and Analysis
John Goodge, University of Minnesota-Duluth Interaction of an electron beam with a sample target produces a variety of emissions, including x-rays. An energy-dispersive (EDS) detector is used to separate the ...

Back-scattered Electron Detector (BSE) part of Integrating Research and Education:Geochemical Instrumentation and Analysis
John Goodge, University of Minnesota at Duluth. Interaction of an accelerated electron beam with a sample target produces a variety of elastic and inelastic collisions between electrons and atoms within the ...

Element Mapping part of Integrating Research and Education:Geochemical Instrumentation and Analysis
John Goodge, University of Minnesota-Duluth Element map of Mg zoning in garnet. Details An element map is an image showing the spatial distribution of elements in a sample. Because it is acquired from a polished ...