Four principles of geologic stratigraphy

Introducing the science of stratigraphy.

READ THIS - This "active page" is an attempt to enhance plain old readings by having you engage with ideas and concepts. If your feedback is positive we hope eventually to enliven much of the content this way.
Even though there are "questions" and "answers", this is NOT a quiz. "Answers" and feedback are provided but do not just skip to the answers. Use your brain to figure stuff out. (The "Show all questions" button displays all questions for this page.)


Creative Commons License EOSC 326 Active Reading by F.Jones, L.Longridge, 2014-2016.
Licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.