Basics of Geology, This site has a huge number of links By Andrew Alden, About.com Guide to Geology
There are many ways that lead to geology, whether it's the rocks along the road, the threat of climate change or the sights from your vacation. Here are the major avenues.
1. Rocks
2. Minerals and Gemstones
3. Earth Resources
4. Geologic Hazards
5. Landforms
6. Fossils
7. Geologic Time
8. Evolution
9. Plate Tectonics
10. The Deep Earth
11. Geology of Other Planets
12. Resources for Learning and Teaching
Each one of these topics has its own links
Many hours of good reading
http://geology.about.com/od/nutshells/u/pathbasics.htmdoug
