SEO Directory » Rocks and Minerals Igneous Petrology

SEO Directory  »  Geokem - Online publication with brief descriptions of most types of terrestrial and lunar igneous rocks, their regional distribution and classification, and examples of their geochemical trends and "fingerprints".

SEO Directory  »  Greg Finn, Brock University - Page with links to course summaries for Petrology and Petrography, and related coursework.

SEO Directory  »  Northwest Obsidian Research Lab - Offers a variety of analytical services related to obsidian trace element characterization ("sourcing") studies, obsidian hydration studies, and obsidian source studies, primarily in the context of archaeological research.

SEO Directory  »  Pegmatite International - Information on the mineralogy and petrology of pegmatites including an online publication and links to pegmatite-related sites.

SEO Directory  »  Rob's Granite Page - This site is devoted to granite petrology with an emphasis on the Llano Uplift granites of central Texas. Also includes links to research, meetings and other scientists.