Relative Age Dating and Superposition Mrs. Wright 8 th Grade Science Bath County Middle School.
Geologic Time. The geologic time scale is based upon rock and fossil evidence. It is broken into the following divisions from largest to smallest: eon,
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.
Chapter 32 Geologic History Relative & Absolute Dating BFRB Pages 245-256.
Unit 6 – The Geosphere Vocabulary 1.Uniformitarianism 2.Relative Dating 3.Law of Superposition 4.Principle of Original Horizontality 5.Principle of Cross-
Geologic History. Geologic Time Scale Chart of Earths history showing events, time units, & ages Era: the four largest subdivisions of the geologic time.
Chapter 3 Time and Geology. Geochronology The science that deals with determining the ages of rocks is called geochronology.
Whos First? Copyright © Houghton Mifflin Harcourt Publishing Company What is relative dating? Scientists try to find out the order in which events happened.
Unit 2 Lesson 2 Relative Dating Copyright © Houghton Mifflin Harcourt Publishing Company.
Ch09 geologic time_fall2007 (1)
Planet earth geologic_time_powerpoint_presentation
ES 3.4 PPT
