Geology Gems
FIRE
(Cosmology/The "Heavens")
WIND
(Atmosphere/Weather)
WATER
(Hydrosphere)
EARTH
("Solid Earth")
General Good Stuff:
SCI 210 Lab Manual
What's new in Geology this month?
http://www.ncsa.uiuc.edu/edu/nie/summer/tmccollum/macearth.html
http://www.geologylink.com/