Colorado College Tutt Library:

Geology

Geology is the study of the materials and processes that space the Earth and other extraterrestrial bodies. As an interdisciplinary subject, it overlaps with many disciplines, including chemistry, physics, biology, oceanography and atmospheric sciences. Sub-disciplines of geology include mineralogy, sedimentology, structural geology, paleontology and economic geology.

Colorado Geological Survey
United States Geological Survey	Index to USGS Geology Open-File Reports US Tapestry: Combined Geologic and Topographic Map National Geologic Map Database Ask-A-Geologist
GLOBE Project	"Global Land One-km Base Elevation" data
Geology and Park Geology Tour	National Park Service
Oak Ridge National Laboratory Distributed Active Archive Center	maintains data related to biogeochemical dynamics which are the result of the interactions between the biological, geological, and chemical components of the Earth's environment.

Non-Government Resources of Interest
American Geological Institute	nonprofit federation of 40 geoscientific and professional associations of geologists, geophysicists, and other earth scientists.
Geologylink	daily geo-news, discussion forums, virtual field trips & classes, a glossary, etc.(Houghton Mifflin)
Geologist's Lifetime Field List	a list of links to the geological wonders of the world.
Yahoo's Geology and Geophysics	links to many of the sub-disciplines