A. Principle of Original Horizontality Most sediment settles out of bodies of water = deposited horizontally Most lava flows are horizontal or slightly.
William Smith, 1815 Geologic map of England, Wales, part of Scotland The Map That Changed the World.
Chapter 21 Fossils and Rock Record. Vocabulary Uniformitarianism- processes happening today have been happening since Earth formed. (ex. Earthquakes and.
READING THE ROCK RECORD. relative time: events are in sequence, but no actual dates absolute time: identifies actual date of event.
When looking down into the Grand Canyon, we are really looking all the way back to the early history of Earth Grand Canyon Chapter 4: Geologic Time Concepts.
Geologic Time Correlation and Dating of the Rock Record.
18_G435.pps 1. 2 Stratigraphy Concepts Related to Subdivision of the Rock Record.
Changing Materials. Contents Useful Products from Oil Useful Products from Metal Ores Useful Products from Rocks Useful Products from Air Representing.
The Relative Age of Rocks 10-2. Place in order from youngest to oldest A B C D EF.
PSC 121 Prince George’s Community College Reading the Rock Record.
Chapter 21 Fossils & the Rock Record. Major milestones in life Crawling, walking, potty training (still in progress?), first day of school, first kiss,
Chapter 11: Geologic Time And The Rock Record. Introduction The concept that most geologic processes happen very slowly was proposed by James Hutton (1726-
