Publisher, Wiley-Blackwell, has collected many useful resources at their website Earth-pages.
Get the "News from the Geological World"
Their Resource Center’s table of contents:
- General Geology Resource Centres and Portals
- General Physical Geography Resource Centres and Portals
- Some key earth science organisations
- Some key geographical organisations
- Mineralogy and Petrology
- Paleontology
- Geochemistry
- Quaternary Science
- Atmospheric Science and Paleoclimatology
- Geomorphology
- The Cryosphere
- Oceanography
- Planetary Science
- Hydrology and Limnology
- Sedimentology
- Economic Geology
- Tectonics and Structural Geology
- Geophysics, Volcanology and Geohazards
- Environmental Science
- Commercial Earth Science Publishers
- News and Comment on the Web