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EOSC 420 - Volcanology

Course Description

Field and lab-based studies in volcanology concentrating on physical and chemical aspects of volcanic processes.


UBC Calendar

For a full listing of course offerings please see the UBC calendar description

Learning Goals

Methods & Goals of the Course

1) Field & Lab examination of volcanic rocks and deposits
  • Goal: To learn to observe, describe, & interpret volcanic deposits in a scientific manner

2) Review and explore the physical properties of magmas
  • Goal: To gain an intuition for how magma properties vary and how these properties relate to eruption characteristics/style

3) Characterization of "eruption style"
  • Goal:To understand the range of volcanic activity and the reasons for different behaviours

4)  Study the linkages between eruption style and deposit characteristics
  • Goal: To understand the range of volcanic activity and the reasons for differrent behaviours

5) Volcanic Hazards
  • Goal: Identification of volcanic hazards, assessment of risk, mitigation strategies.

Instructors

J.K. Russell & Colleagues

Textbook

Required:
Cas, R.A.F. & Wright, J.V. (1988) Volcanic Successions. Allen & Unwin, 528 p.
[Legal Photocopies of Cas & Wright at UBC Bookstore]

Course Content

Not available at this time.

Lecture Topics

WeekTopic
1Introduction & Scope
2 Physical Properties of Magmas I
(Viscosity, Density & Glass Formation)
3 Physical Properties of Magmas II
(Applications)
4 Description & Classification
of Pyroclastic Depsoits & Rocks
5 Styles of Volcanic Eruptions
6 Ascent & Eruption of Felsic Magma
7 Lava Flow Mechanisms and Traits
8Pyroclastic Fall and Flow Processes
9 Analysis of Classic Eruptions
10 Neogene & Recent Volcanism in B.C.
11 Subglacial Volcanic Processes
12 Recognition of Volcanic Hazards
13 Assessment and Mitigation of Volcanic Risk
14 Atmospheric Effects of Volcanic Eruptions

Labs

Week Topic/Exercise
1 NO Scheduled Lab
22-DAY Weekend Field Trip
(2460 BP eruption products of Mount Meager)
3 Hand Sample Description I:
Volcanic Rocks
4 Hand Sample Description II:
Pyroclastic Rocks & Complex Processes
5 Physical Characterization of Pyroclastic Deposits
6 Monitoring Exercise
7 Pyroclastic Fallout Project
8 Lava Flows & Textures Related to
Flow, Mixing & Assimilation
9 Fragmental Rocks & Welding
10 Subglacial Deposit Types
11 Nairn Falls Project: Week I
12 Nairn Falls Project: Week II
13 Oral Presentations (If Needed)
14 Lab Exam

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