1 Lecture 1: Geologic Time and Plate Tectonics Questions –How do geologists place the events of geologic history in sequence? What is correlation? –What.
Geologic Time. Figure 7.1 How Old is the Earth? Historical Records, written word –5000 years Bishop Usher (1664) 9:00 AM, Oct. 23, 4004 BC Earth is ~6000.
Assignment #3 The relative age of rocks and geological events.
Lecture 1: Geologic Time and Plate Tectonics
