This investigation will help you to:
View a sediment size chart.
Sedimentary Rock Classification, University of Oregon
Sedimentary Rock chart.
Rocks and Layers, United States Geological Survey (USGS)
Learn how and why fossils form in sedimentary rocks. Also, explore the different types of sedimentary rocks and how to use the sequencing of rock layers to interpret Earth history.
Fossil Bearing Rocks, Kentucky Geological Survey
Visit this geological survey page to learn about a variety of fossil-bearing, sedimentary formations found in Kentucky.
Touring the Collections, PRI
Tour a fossil database.