Texas Education Agency
Texas Gateway: Sedimentary Rocks and Fossil Fuels
Learn about the rock cycle, sedimentary rocks, and fossil fuels in this tutorial.
Science Education Resource Center at Carleton College
Serc: Investigating the Geologic History of Southeast Minnesota
This activity is an inquiry-based, earth science field investigation of the geology of southeast Minnesota. Students will make observations of rock outcrops and landforms in the region using maps, pictures, and field sampling, then use...
Indiana University
Indiana Univ. Bloomington:geo Notes: Conodonts: Microfossils of Distinction [Pdf]
Presents some facts about conodonts, extinct eel-like animals whose fossils have been found in Indiana's marine sedimentary rocks. Their important role in geologic research is also discussed.