Outcrop along Salsbury Crags near Edinburgh, Scotland, that James Hutton studied as he formed his ideas of geologic time in the late 1700s. Photo by Vince Cronin.
Geologic Time Lab
This document is subject to revision, so reload this page in your browser every time you visit so that you will be certain to view the most current content. Revised October 17, 2021.
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Important Notes
- The reading assignments are in the required laboratory manual (textbook) listed near the bottom of this document.
- You must submit [1] the original paper lab-activity sheets on which you have recorded your answers (stapled together in order), and [2] a PDF file containing scans of the completed laboratory activities to your laboratory instructor before the end of your lab meeting.
- The end-of-lab quiz must be completed via the Canvas LMS within 6 hours after your laboratory meeting ends.
Lab Assignment
- View the pre-lab video Dating of Rocks, Fossils, and Geologic Events at
https://goo.gl/k3LPxG
- Read: AGI/NAGT Lab Manual, chapter 8, the cover page and the following sections: Introduction; The Geologic Record; Principles for Determining Relative Age; and Contact Relationships, Pages 207-213.
- Do: AGI/NAGT Lab Manual, Activity 8.2 Determining Sequence of Events in Geologic Cross Sections, pages 223-224. If you get stuck, contact your Graduate Teaching Assistant (GTA) or Dr. Cronin and they'll try to help you get unstuck.
- Read: AGI/NAGT Lab Manual, chapter 8, section The Geologic Time Scale, Pages 212-217.
- Do: AGI/NAGT Lab Manual, Activity 8.3 Using Fossils to Date Rocks and Events, page 225.
- Read: AGI/NAGT Lab Manual, chapter 8, Determining Numerical Ages by Radiometric Dating, p. 216-220
- Do: AGI/NAGT Lab Manual, chapter 8, Activity 8.4, Numerical Dating of Rocks and Fossils, p. 226.
- Do: AGI/NAGT Lab Manual, chapter 8, Activity 8.5, Infer Geologic History from a New Mexico Outcrop, p. 227-228.
Summary of Assigned Lab Activities for This Week: Activities 8.2, 8.3, 8.4, and 8.5
Required Textbook And Online Resources
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AGI/NAGT Laboratory Manual in Physical Geology, 12th edition (paper copy)
Print Lab Manual ISBN: 9780135836972
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Contacting Your Teachers
How To Contact Professor Cronin
Professor Cronin is available to facilitate understanding of course material that you have been studying and to help you navigate around any temporary barriers to your learning.
email: Vince_Cronin@baylor.edu
mobile, for text or voice: listed on the "lecture"-course homepage on Canvas.
Only contact him on his mobile device between 8 AM and 8 PM Central Time, and only if it is an important question/issue related to this course.
How To Contact Your Graduate Teaching Assistant
- Lab Section B (Tues 2:40-4:35 PM): Sanjukta Dhar — email Sanjukta_Dhar1@baylor.edu
- Lab Section C (Tues 4:40-6:35 PM): Sanjukta Dhar — email Sanjukta_Dhar1@baylor.edu
- Lab Section D (Wed 12:20-2:15 PM): Toluwaleke Ajayi (AJ) — email toluwaleke_ajayi1@baylor.edu
- Lab Section E (Wed 2:30-4:25 PM): Toluwaleke Ajayi (AJ) — email toluwaleke_ajayi1@baylor.edu
- Lab Section J (Thurs 2:40-4:35 PM): Vinothan Sivapalan — email vinothan_sivapalan1@baylor.edu
Return to the lab homepage/syllabus
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