EARTH 331Volcanology and Igneous Petrology
- Units
- 0.50
- Faculty
- Science
- Subject
- Earth Sciences
When it runs
- F24
- W25
- S25
- F25
- W26
- S26
- F26
- W27
- S27
Ran in 3 of the last 7 terms. Winter 2027: not on the schedule. Spring 2027: schedule not out yet.
Principles and theories of the origins of volcanic and plutonic igneous rocks. Topics include the physics and chemistry of magma; igneous hazards and implications; magmatic differentiation; and igneous tectonic associations. Laboratories focus on the identification, description, and classification of igneous rocks.
Prerequisites
- Must have completed the following:
- EARTH232 - Introductory Petrography (0.50)
Antirequisites
None listed.
Leads to
No course lists it as a requisite.
Fall 2026 sections
| Section | Class | Enrolled | Meets |
|---|---|---|---|
| LEC 001 | 7177 | 40 / 46 | MW 08:30–09:50 |
| LAB 101 | 7184 | 22 / 23 | T 13:30–16:20 |
| LAB 102 | 7185 | 18 / 23 | M 11:30–14:20 |
Reviewed on UW Flow
75% liked it8% easy58% useful
From 4 ratings and 1 comment on UW Flow. The most helpful comments, quoted as written, without names. Read them all on UW Flow.
This course is a lot of work. Weekly lab reports, lecture assignments, group project, lecture midterm, and lab and lecture final. Could be a good course if they reduced the workload.
Dec 2018 · didn’t like itOn UW FlowRemove this
Discussed on r/uwaterloo
One post or comment in 1 thread mentions EARTH 331, October 2017 to December 2024. Quoted word for word, newest first; each reply sits under the post and the comment that started its branch. Search r/uwaterloo for newer posts.
Fall 2017
Any way to disable UWCourseLinker from posting? 16 points, 26 comments
“posting a reply to my comment I find the bot annoying.”
u/Jackhofmann: “PSYCH 483 PSYCH 484 PSYCH 485 PSYCH 486 PSYCH 490R PSYCH 499A PSYCH 499B PSYCH 499C PSYCH 621 PSYCH 630 PSYCH 677A PSYCH 704A PSYCH 704B PSYCH 707 PSYCH 710 PSYCH 714 PSYCH 717 PSYCH 720A PSYCH 721A …”
u/Jackhofmann: “… DUTCH 101 DUTCH 201 EARTH 121 EARTH 121L EARTH 123 EARTH 123L EARTH 231 EARTH 235 EARTH 260 EARTH 331 EARTH 342 EARTH 421 EARTH 436A EARTH 436B EARTH 440 EARTH 444 EARTH 458 EARTH 458L EARTH 461 EARTH 499 EARTH 625 EARTH 626 EARTH 627 EARTH 650 EARTH 653 EARTH 668 EARTH 691 …”
Check it elsewhere for Fall 2026
- Undergraduate Calendar, 2026–27The official entry
- Requirements for Fall 2026Waterloo’s requisite checker
- Schedule of Classes, Fall 2026Instructors, rooms, live seats
- Quest Class SearchWhere you enrol
- Course outlinesSyllabi from past terms (UW login)
- UW FlowStudent ratings and reviews
- WClassesPast sections back to 2004, and who taught them