Slide 1©1998 Timothy G. Standish 1Thessalonians 5:21 Prove all things; hold fast that which is good. Slide 2 ©1998 Timothy G. Standish Timothy G. Standish, Ph. D. Radiometric…

Slide 1©1998 Timothy G. Standish Timothy G. Standish, Ph. D. Radiometric Dating Slide 2 ©1998 Timothy G. Standish Dating Fossils Two methods: Relative dating - When a previously…

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 1Chapter 3 Time and Geology Slide 2 Geochronology The science that deals with determining the ages of rocks is called geochronology. Slide 3 Methods of Dating Rocks…

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 1Ch. 23.6: Interpreting the Rock Record OBJECTIVE: Use principles of relative and absolute dating to determine a sequence of events (climate, tectonic, & environmental)…

Slide 1Absolute Dating Using Radioactivity Slide 2 Absolute Age dating was major advance in Historical Geology – More accurate reconstruction of geologic events Mostly…

Slide 1 Slide 2 Using radioactivity in dating Reviewing basic atomic structure Nucleus –Protons – positively charged particles with mass –Neutrons – neutral particles…

Slide 1 Slide 2 Chapter 25 Reading Quiz 1. What is the evolutionary history of a species called? 2. Which isotope has a half-life of only 5,730 years? 3. What was the supercontinent…

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.…