Slide 1Geologic Time Slide 2 Rocks Record Earth History 17.1 Determining Relative Age Rocks record geological events and changing life forms of the past. We have learned…

Slide 1Geologic Time Slide 2 How much time ? Slide 3 Determining geological ages Relative age dates – placing rocks and events in their proper sequence of formation Numerical…

Slide 1Geologic Time Slide 2 The geologic time scale is based upon rock and fossil evidence. It is broken into the following divisions from largest to smallest: eon, era,…

Slide 1 Slide 2 Geologic Time Slide 3 sedimentary Slide 4 Slide 5 Man and Dinosaur never lived at the same time Slide 6 Slide 7 Slide 8 Which is older: F or S How do you…

Slide 1Geologic Time Slide 2 01: Geologic Time Scale Slide 3 Huge sections of time are broken down into smaller groups of time: Eons, Eras, Periods, and Epochs Eon is the…

Slide 1The Fossil Record and Geologic Time Scale Fossils and Geologic Time Slide 2 The Fossil Record and Geologic Time Scale Trilobite: earliest fossil of Arthropods Slide…

Slide 1Earth Science 12.1 Discovering Earths History: Geologic Time Discovering Earths History Slide 2 Studying Earths History For geologists today, one goal of geology is…

Slide 1Geologic Time Slide 2 Slide 3 How old is Earth? Bishop of Ireland James Ussher Not so long ago, the Bible was regarded as the ultimate source of truth. Through the…

Slide 1Geologic Time Slide 2 Determining geological ages Relative dating – placing rocks and events in their proper sequence of formation, without actual dates. Numerical…

Slide 1Welcome to SCI 204, Environmental Science Biodiversity (Continuation) In this presentation we look at the dynamics of Biodiversity including 1.Natual Selection 2.Biological…