1. Discovering Earth’s History Rocks record geological events and changing life forms of the past.  We have learned that Earth is much older than anyone had previously…

Slide 1GEOLOGIC TIME Slide 2 Rocks Record Earth History Discovering Earths History Rocks record geological events and changing life forms of the past. We have learned that…

Slide 1Rocks Record Earth History 12.1 Discovering Earths History Rocks record geological events and changing life forms of the past. We have learned that Earth is much older…

Slide 1Geologic time Slide 2 Geologic Time Geologic time scale Relative dating principles Absolute dating w/ radioactivity Correlation of rock layers Slide 3 The relative…

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 1General Geology: Geologic time Instructor: Prof. Dr. Boris Natalin Slide 2 Interpreting Earth history is the primary goal of geology Rocks contain information about…

Slide 1Rocks A rock is a mixture of one or more minerals. They are classified by the way they are made. Classifying Rocks Igneous Rocks Sedimentary Rocks Metamorphic Rocks…

1.Geologic Time and Principles of Stratigraphy2. Recall Archbishop James Usher (1581-1665) who made a first attempt to calculate the age of the earth using theBible. Date:…

1.12.1 Discovering Earth’s History2. Uniformitarianism The concept that processes that have shaped Earth in the past are essentially the same as those operating today 3.…

1. Geologic time 2. Geologic TimeGeologic time scaleRelative dating principlesAbsolute dating w/radioactivityCorrelation of rock layers  3. Relative Geologic…