- Greg Finn – Brock University
- Lists teaching assignment links to earth science methods, optical mineralogy, petrology and petrography, and field camp.
- Northwest Research Obsidian Studies Laboratory
- Describes offered services and provides source information supplementary to contract investigations and research interest.
- Pegmatites International
- Contains general introduction to basic and advanced concepts in pegmatology, links to researches and conferences, journal and summer field course. Also includes image gallery.
- Rob’s Granite Page
- Contains general information on granite, image gallery, virtual field trip, and FAQs.
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