Module 1: Stories of the Past (root):

Earth Science Essentials

Module 1: Stories of the Past

This module examines how we read the stories of earth's past in rocks, layers or rock, and fossils.

• Stories of Long Ago
• Introduction to Stories of Long Ago
• Sedimentary Rocks
• Igneous Rocks
• Metamorphic Rocks
• Stories Rocks Tell Activity
• Fossils
• Pausing to Reflect


• Stories of a Changing World
• Stratigraphy
• Transgressions and Regressions
• Field Stories in Rock Layers
• Cross-cutting Relationships and Relative Time


• How Do We Know? The Discovery of Deep Time.


• How Does It Work? Radioactive Dating and the Measurement of Absolute Time.

10/27/2017--pictures and text copyright Russ Colson