CK-12 Foundation
Ck 12: Earth Science: Sedimentary Rock Classification
[Free Registration/Login may be required to access all resource tools.] How to classify sedimentary rocks.
CK-12 Foundation
Ck 12: Earth Science: Sedimentary Rock Classification Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about how sedimentary rocks are classified. Includes a few questions to check for understanding.