Mount Hood in northern Oregon is an active stratovolcano just east of Portland, formed because of the subduction of the Juan de Fuca Plate under the North American Plate. Photo by Vince Cronin.
Igneous Rocks Lab — Chapter 5 from the AGI/NAGT Lab Manual
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Important Notes
- The reading assignments are in the required textbooks listed at the bottom of this document.
- The completed laboratory activities assigned below must be submitted via the Canvas
space associated with your lab section before 11:59 PM Central Time on the day after the day on which your laboratory section is scheduled to meet (e.g., due before Wednesday night at 11:59 PM for a lab scheduled on Tuesday). Instructions for submitting your lab work are provided HERE.
- The end-of-lab quiz must be completed via the Canvas space associated with your lab section before 11:59 PM Central Time on the day after the day on which your laboratory section is scheduled to meet.
| Lab Section | Scheduled Meeting | Grad TA | GTA Email |
|---|
| A | Tuesday starting at 12:30 PM CT | Zhao (Amanda) Wang | Zhao_Wang1(at)baylor.edu |
| B | Tuesday starting at 2:40 PM CT | Zhao (Amanda) Wang | Zhao_Wang1(at)baylor.edu |
| C | Tuesday starting at 4:40 PM CT | Sarah Kogler | Sarah_Kogler1(at)baylor.edu |
| D | Wednesday starting at 12:20 PM CT | Zequn Wu | Zequn_Wu1(at)baylor.edu |
| E | Wednesday starting at 2:30 PM CT | Zequn Wu | Zequn_Wu1(at)baylor.edu |
| F | Wednesday starting at 4:40 PM CT | Sarah Kogler | Sarah_Kogler1(at)baylor.edu |
| G | Thursday starting at 12:30 PM CT | Roy Bassoo | Roy_Bassoo1(at)baylor.edu |
| J | Thursday starting at 2:40 PM CT | Roy Bassoo | Roy_Bassoo1(at)baylor.edu |
Lab Assignment
- Read the study questions for this topic, listed at https://croninprojects.org/Vince/Course/PhysGeol/Geo1405-IgRox-Q2020.html and keep them in mind as you read the following assignments. Most, if not all, of the answers will be in the reading assignments for this topic.
- View the pre-lab video Igneous Rocks and Processes at
https://goo.gl/EIzuX1
- View the the pronunciation guide to AGI/NAGT Lab Manual chapter 5 at
https://youtu.be/mU8EPdMutBE
- Scan: AGI/NAGT Lab Manual, chapter 5, Section Introduction, Pages 117-120.
- Read: AGI/NAGT Lab Manual, chapter 5, Section Classifying Igneous Rocks from the beginning through Subsection Textures of Igneous Rocks, Pages 120-123.
- Do: AGI/NAGT Lab Manual, Activity 5.1 Igneous Textures, page 135, and submit it to the Igneous Rocks assignment in your lab section's Canvas space — submission instructions HERE.
- Read: AGI/NAGT Lab Manual, chapter 5, Section Classifying Igneous Rocks, Subsection Mineral Composition of Common Igneous Rocks, Pages 123-126.
- Do: AGI/NAGT Lab Manual, Activity 5.4 Minerals That Form Igneous Rock, page 138, and submit it to the Igneous Rocks assignment in your lab section's Canvas space — submission instructions HERE.
All of the eight minerals in Activity 5.4 have tiny videos that are relevant to them, and that might be helpful to you. They are as follows:
specimen 1: unknown_5583_vc
specimen 2: unknown_4636_vc
specimen 3: unknown_3049_vc
specimen 4: unknown_4370_vc
specimen 5: unknown_4428_vc
specimen 6: unknown_6945_vc
specimen 7: unknown_7364_vc
specimen 8: unknown_3275_vc
- Read: AGI/NAGT Lab Manual, chapter 5, Section Classifying Igneous Rocks, Subsections Color Index for Mafic Minerals and Estimating Mineral Percentage in Rock, only the parts on page 126.
- Do: AGI/NAGT Lab Manual, Activity 5.5 Estimate the Percentage of Mafic Minerals, page 139, and submit it to the Igneous Rocks assignment in your lab section's Canvas space — submission instructions HERE.
- Read: AGI/NAGT Lab Manual, chapter 5, Section Classifying Igneous Rocks, Subsections Common Igneous Rock Types and Field Identification of Some Common Igneous Rocks, pages 127-132, including all figures and tables.
- Do: AGI/NAGT Lab Manual, Activity 5.7 Analysis and Interpretation of Igneous Rock, page 142-143, using the videos linked below. Submit it to the Igneous Rocks assignment in your lab section's Canvas space — submission instructions HERE.
Identify these specimens, in the order given, on page 142 of the AGI/NAGT Lab Manual:
Identify these specimens, in the order given, on page 143 of the AGI/NAGT Lab Manual:
- Do: AGI/NAGT Lab Manual, Activity 5.8 Tectonic Setting of Some Major Volcanic Rock Types, page 144, and submit it to the Igneous Rocks assignment in your lab section's Canvas space — submission instructions HERE.
Summary of Assigned Lab Activities for This Week: Activities 5.1, 5.4, 5.5, 5.7, and 5.8
Required Textbooks And Online Resources
|
AGI/NAGT Laboratory Manual in Physical Geology, 12th edition (paper copy)
Print Lab Manual ISBN: 9780135836972
|
|
Modified Mastering Geology with eText for Tarbuck et al., Earth 13th edition*
This version of Mastering Geology is used within the Canvas LMS.
—————
*Earth: An Introduction to Physical Geology, 13th Edition, 2020, by E.J. Tarbuck, F.K. Lutgens, and S. Linneman, with illustrations by D.G. Tasa: New York, Pearson Higher Education, 754 p.
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How To Contact the Geo 1405 Lab Coordinator, Dr. Cronin
email: Vince_Cronin@baylor.edu
mobile, for text or voice (only between 8 AM and 8 PM US Central Time, and only if it is an important question/issue related to this course): posted in our course documents on the Canvas
learning management system (LMS).
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