This site has been created by Mike Strickler, a geologist affiliated to the University of Oregon, USA. It features answers to many commonly asked questions in the areas of the physical Earth. minerals. rocks. internal processes. global tectonics. geological time. surface processes and astronomy. A facility enabling new questions to be emailed to GeoMan is also available. The answers for all questions on the site are linked in the form of a glossary. For each answer additional Internet resources are listed.