1. I N T R O D U C T I O N TO D E N D R O C H R O N O LO GY 2. 2010 Dec-Nov temperature anomaly h p://www.giss.nasa.gov/ 3. NASA global temperature record h p://www.giss.nasa.gov/…

Slide 1A. Principle of Original Horizontality Most sediment settles out of bodies of water = deposited horizontally Most lava flows are horizontal or slightly tilted on flanks…

Slide 1Anthropology Georgia Perimeter College Studying the Past Slide 2 - The evidence or remains of a once-living plant or animal. A.To provide evidence of the past existence…

Slide 1 Slide 2 FOSSILSFOSSILS Slide 3 In 1869, John Wesley Powell led a pioneering expedition through the Grand Canyon. Powell, who later went on to head the U.S. Geological…

Slide 1II. Why Do We Study Fossils Found in Rocks? I.What is a Fossil? A. Definition: The evidence or remains of once-living plants or animals A.To provide evidence of the…

Slide 1 Slide 2 UNIT SIX: Earths Structure Chapter 18 Earths History and Rocks Chapter 19 Changing Earth Chapter 20 Earthquakes and Volcanoes Slide 3 Slide 4 Chapter Eighteen:…

Slide 1When 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 and Principles…

Slide 1Dating methods and the age of the Earth Geology 103 Slide 2 Two types of dating Relative dating asks Is a given event older or younger than another event? Numerical…

Slide 1GEOLOGIC HISTORY THE RULES OF THE GAME © Copyright 2005 - 2006 M. J. Krech. All rights reserved. Slide 2 Time What is time? Slide 3 Time is… Either relative or…

Slide 1Rock/Mineral Exam – Next Week Take advantage of the help sessions. Samples on the exam will not be the same samples you saw in lab, so memorizing them is not useful.…