Long Island Sound Resource Center: http://www.lisrc.uconn.edu/
A very helpful site for local geology. The Center is a partnership between the Connecticut Department of Energy and Environmental Protection and the University of Connecticut.
Teacher Friendly Guide to the Geology of the Northeastern U.S, by The Paleontological Research Institution. Includes virtual field investigations:
The Geology of Connecticut State Parks, CT Department of Energy and Environmental Protection: http://www.ct.gov/dep/cwp/view.asp?a=2716&q=325130&depNav_GID=1650
CT Department of Energy and Environmental Protection, CT DEEP Store: http://www.ctdepstore.com/Geology_c10.htm;jsessionid=074ACB8F2C802BE9F502BD4AA75133F2.qscstrfrnt06
A place to buy CT bedrock maps and other publications.
U.S. Geological Survey: www.usgs.gov
Many resources here, including This Dynamic Earth, a publication of the USGS - the story of plate tectonics.
Earth Science Teacher Online Resource: www.geology.com/teacher
A collection of sites with links.
National Earth Science Teachers Association: www.nestanet.org
Sponsors Windows to the Universe, with a variety of earth science activities: www.windows2universe.org
Geological Society of America: http://www.geosociety.org/profdev/
Earthquake Frequently Asked Questions and Answers: http://earthquake.usgs.gov/
IRIS Seismic monitor: http://www.iris.edu/hq/
National Science Teachers Association: www.nsta.org
Other References - Books, Guides and Maps
Ansley, Jane E. 2000. The Teacher-Friendly Guide to the Geology of the Northeastern U.S. Ithaca, NY: The Paleontological Research Institution.
Coleman, Margaret E. 2005. The Geologic History of Connecticut's Bedrock. Hartford, CT: CT Department of Energy and Environmental Protection.
De Boer, Jelle Zeilinga. 2009. Stories in Stone. Middletown, CT: Wesleyan University Press.
Kirby, Ed. 1998. Echoes of Iron In Connecticut's Northwest Corner, Sharon, CT: Sharon Historical Society.
McHone, Greg. 2004. Great Day Trips to Discover the Geology of Connecticut. Wilton, CT: The Perry Heights Press.
Rogers, John. 1985. Bedrock Geological Map of Connecticut. Hartford, CT: Department of Environmental Protection.
Skehan, James W. 2008. Roadside Geology of Connecticut and Rhode Island. Missoula, MT: The Mountain Press.