Some Basics of Mapping
Arabian Plate Chronostratigrahic Maps
1 Lecture 1: Geologic Time and Plate Tectonics Questions –How do geologists place the events of geologic history in sequence? What is correlation? –What.
HISTORY OF LIFE ON EARTH Physical conditions - last 4 billion years major changes: oxygen in atmosphere climate change ocean currents sea level changes.
Introduction to molecular dating methods. Principles Ultrametricity: All descendants of any node are equidistant from that node For extant species, branches,
William Smith, 1815 Geologic map of England, Wales, part of Scotland The Map That Changed the World.
Understanding Earth Sixth Edition Chapter 8: CLOCKS IN ROCKS Timing the Geologic Record © 2011 by W. H. Freeman and Company Grotzinger Jordan.
Geologic Time Chapter 21.1-21.3. Geologic Time Two frames of reference –RELATIVE AGE DATING Places events in order according to their positions in the.
When 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.
Geologic TimeConcepts and Principles Chapter 4 -How do we tell time in geology?...relative dating, absolute dating Absolute age dating: 4 methods: 1. Radiometric.
Section 3.1 Vocabulary to know:James Hutton Uniformitarianism Catastrophism Charles Lyell.
OHHS AP Biology Chapter 25 (Class Presentation)