'Relative geologic time scale' presentation slideshows

1.09k views • 89 slides

Geologic Time: Concepts and Principles

Chapter 4. Geologic Time: Concepts and Principles. Grand Canyon. When looking down into the Grand Canyon, we are really looking at the early history of Earth. Grand Canyon. More than 1 billion years of history are preserved, like pages of a book, in the rock layers of the Grand Canyon

1.45k views • 70 slides

William Smith, 1815 Geologic map of England, Wales, part of Scotland

The Map That Changed the World. William Smith, 1815 Geologic map of England, Wales, part of Scotland. The Map That Changed the World. Relative Geologic Time Scale. The relative geologic time scale has a sequence of eons eras periods epochs

1.14k views • 67 slides