Documents The Present is the Key to the Past James Hutton, 1700s.

Slide 1The Present is the Key to the Past James Hutton, 1700s Slide 2 History of Geology The concept and measurement of geologic time has changed through human history. Planet…

Documents Geology of Plutonic Rocks. Igneous plutonic rocks Formed – –900 degree C –50 km depth Uplift.....

Slide 1 Geology of Plutonic Rocks Slide 2 Igneous plutonic rocks Formed – –900 degree C –50 km depth Uplift to earth surface Enormous decrease in confining pressure…

Documents Absolute vs. Relative Dating of Rocks - As time passes, the rock cycle creates and destroys rocks......

Slide 1 Absolute vs. Relative Dating of Rocks - As time passes, the rock cycle creates and destroys rocks. This process leaves behind layers of different types of rocks,…