Class 1, introduction to dendrochronology
A. Principle of Original Horizontality Most sediment settles out of bodies of water = deposited horizontally Most lava flows are horizontal or slightly.
The Present is the Key to the Past James Hutton, 1700s.
Dating methods and the age of the Earth Geology 103.
GEOLOGIC HISTORY THE RULES OF THE GAME © Copyright 2005 - 2006 M. J. Krech. All rights reserved.
Rock/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.
Anthropology Georgia Perimeter College Studying the Past.
Wednesday, November 9 th, 2011 Bell Ringer: Pull out your football field, and consider: Where does most of life fit into the geologic time scale? Humans?
FOSSILSFOSSILS In 1869, John Wesley Powell led a pioneering expedition through the Grand Canyon. Powell, who later went on to head the U.S. Geological.
Unit 6 – The Geosphere Vocabulary 1.Uniformitarianism 2.Relative Dating 3.Law of Superposition 4.Principle of Original Horizontality 5.Principle of Cross-
Earth Science Geologic Time Chapter 11. Historical notes Catastrophism Landscape developed by catastrophes James Ussher, mid-1600s, concluded Earth was.
Geologic Time. 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.
