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 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 ...

Other Contributions (7)

Energy-Dispersive X-Ray Spectroscopy (EDS) part of Nanotechnology in STEM:Methods
A content page within an educational geoscience module explains Energy-Dispersive X-Ray Spectroscopy (EDS), detailing its principles, integration with SEM/EPMA, strengths in rapid elemental analysis and mapping, limitations including peak overlaps and inability to detect light elements, and illustrative spectral results, serving as a resource for nanotechnology and materials characterization instruction.

show 6 more Other Contributions

Wavelength-Dispersive X-Ray Spectroscopy (WDS) part of Nanotechnology in STEM:Methods
This educational webpage details Wavelength-Dispersive X-Ray Spectroscopy (WDS), an analytical method used in electron probe microanalysis (EPMA) and scanning electron microscopy (SEM) for high-resolution, quantitative elemental analysis and mapping of solid materials at micrometer-scale spatial resolution, highlighting its principles, strengths, limitations, and comparison with energy-dispersive spectroscopy (EDS).

Element Mapping part of Nanotechnology in STEM:Methods
Element Mapping is an educational web page detailing the use of EDS and WDS systems in producing element maps to visualize the spatial distribution of elements in geological samples, explaining methodology, strengths, limitations, and applications in mineral analysis through comparative imaging and false-color representation.

Back-scattered Electron Detector (BSE) part of Nanotechnology in STEM:Methods
Educational webpage detailing the principles, operation, strengths, and limitations of Back-Scattered Electron Detectors (BSE) in electron microscopy, including compositional imaging, phase differentiation in geological samples, and integration with SEM/EPMA, accompanied by grayscale and colorized BSE image examples and references.

Back-scattered Electron Detector (BSE) part of Integrating Research and Education:Geochemical Instrumentation and Analysis
Educational webpage detailing the principles, operation, strengths, and limitations of Back-scattered Electron Detectors (BSE) in SEM and EPMA instruments, emphasizing compositional imaging in geological samples.

Element Mapping part of Integrating Research and Education:Geochemical Instrumentation and Analysis
Educational content page detailing element mapping in geochemical analysis, covering EDS/WDS techniques, spatial distribution of elements, mineral zonation visualization, strengths and limitations of mapping methods, and comparative analysis with back-scattered electron imaging.

Energy-Dispersive X-Ray Spectroscopy (EDS) part of Integrating Research and Education:Geochemical Instrumentation and Analysis
Educational webpage detailing Energy-Dispersive X-Ray Spectroscopy (EDS), covering principles, instrumentation, strengths, limitations, spectral interpretation, and applications in geochemical analysis, featuring examples, references, and teaching resources.

Communities

Teach the Earth

Workshop Participant

Mineralogy, Petrology, Geochemistry Workshop 2011
August 2011 PresenterTeaching Petrology
July 2003 Presenter