Geosciences 470R/570R
Volcanology: Physical Processes and Petrologic Applications
Lecture Schedule Spring 2015
Class#Date Day
01
Jan W
14
02
16 F
**
03
04
19 M
21 W
23 F
05
26 M
06
07
28 W
30 F
08
Feb M
2
09
10
4 W
6 F
11
9 M
12
13
11 W
13 F
14
16 M
Lecture Number and Topic
Start L01: Introduction; Design of course:
the volcanology-igneous petrology
connection; Definitions; Volcanic centers
Finish L01; Start L02: Time, length, area,
volume, and energy scales; Chemical
composition and physical properties (T, η,
ρ); Characterizing volcanic rocks
No class (Martin Luther King holiday)
Finish L02
Start L03: Volatiles; Sampling volcanic
gases; Also brief introduction to silicic
lava domes to prepare for upcoming lab
and field trip
Finish L03; Start L04: Petrologic
overview: Volcanic rocks as samples of
magma chambers; Physical sorting in
pyroclastic eruptions; Types of zonation;
Compositional gaps; Enrichment factors
Finish L04
Start L05: Silicic lava domes and flows;
Recrystallization; Dating; Reworking
Finish L05; Start L06: Examples of silicic
lava domes and flows and volatile effects;
Hydration of glass; Implications for
geochemical sampling and radiometric
dating
Finish L06
Start L07: Pyroclastic eruptions;
Vesiculation and fragmentation
Finish L07; Start L08: Pyroclastic flows
and welded ash-flow tuffs
Finish L08
Start L09: Pyroclastic falls and surges;
Welded pyroclastic fall deposits;
Phreatomagmatic eruptions and phreatic
explosions; Keys to identification of
pyroclastic flow, fall, and surge deposits
Finish L09; Start L10: Cauldrons,
calderas, volcano-tectonic depressions;
1
Assigned Reading and
L&H Text Reading Due
L&H Ch. 1 and 2
L&H Ch. 3, 4
L&H Ch. 3
Hildreth, 1981; L&H Ch.
2, 3
Metz and Mahood, 1985;
L&H Ch. 6, 9
L&H Ch. 6
Carey and Bursik, p.
527-544; L&H Ch. 7, 8
Wilson and Hildreth,
1997; L&H Ch. 7
L&H Ch. 7, 8
L&H Ch. 10
Class#Date Day
15
**
16
Feb W
18
20 F
23 M
17
18
25 W
27 F
19
Mar M
2
20
4 W
21
22
23
6 F
9 M
11 W
24
13 F
**
**
**
25
26
16
18
20
23
25
27
27 F
28
29
30 M
Apr W
1
M
W
F
M
W
Volume/area relationships
Lecture Topic
Assigned Reading and
L&H Text Reading Due
Finish L10; Review for midterm
Midterm Examination (through L10)
Discuss results of midterm exam; Start
L11: Dynamics of magma chambers:
Links to the hypabyssal and plutonic
environments; Lifespans of magmatic
systems
Finish L11
Start L12: Subaqueous and subglacial
silicic lavas, pyroclastic flows,
pyroturbidites, and giant pumice horizons
Finish L12; Start L13: Petrologic
applications of volcanology to silicic
magmas
Reading and writing assignment given
on intermediate volcanic eruptions
(graduate students only); Finish L13
Start L14: Andesitic arcs
Finish L14
Start L15: Styles of intermediate eruptions
(Vulcanian, Plinian, Peléan; Strombolian)
Finish L15; Start L16: Eruptive products
of intermediate magmas: Lava flows, flow
breccias, block and ash flows, lahars;
debris avalanches
No class (spring break)
No class (spring break)
No class (spring break)
Finish L16
Start L17: Composite intermediate cones
(stratovolcanoes)
Summary of background reading due;
Finish L17; Start L18: Petrologic
applications of volcanology to
intermediate magmas
Finish L18
Writing assignment due; Start L19:
Contrasting settings of mafic magmatism
(flood basalts; oceanic islands; mid-ocean
ridges); mafic shield volcanoes
2
[None]
L&H Ch. 12
[None]
L&H Ch. 2
L&H Ch. 5
L&H Ch. 6, 11
Hildreth and Lanphere,
1994; L&H Ch. 9
[None]
L&H Ch. 2, 9
Class#Date Day
30
Apr F
3
31
32
6 M
8 W
**
33
10 F
13 M
34
35
36
15 W
17 F
20 M
37
38
22 W
24 F
39
27 M
40
41
29 W
May F
1
Lecture Topic
Finish L19; Start L20: Styles of mafic
eruptions: (Hawaiian, Strombolian,
Surtseyan); subaerial mafic flow
morphologies; Maars and tuff rings and
cones
Finish L20
Start L21: Deep subaqueous mafic
eruptions; Morphologies and flow lengths
of subaerial, shallow subaqueous, and
deep subaqueous lava flows; Mafic
submarine pyroclastic and volcaniclastic
rocks; Submarine hydrothermal vents
No class (GeoDaze 9-11 April)
Discuss results of reading and writing
assignment; Finish L21; Start L22:
Alkalic, silica-undersaturated mafic rocks;
Carbonatites; Kimberlites; Komatiites;
Limburgites; Sulfur flows
Finish L22
Start L23: Petrologic synthesis
Finish L23; Start L24: Volcanic hazards,
eruption response, and mitigation
Finish L24
Start L25: Volcanism and mineral
deposits, I: Relationship of volcanic
landforms to metal deposits (Au, Ag, Cu,
Fe), industrial mineral (Li, etc) deposits,
and diamond deposits; eruptive
volumes/composition relations and sizes
of porphyry deposits
Finish L25; Start L26: Volcanism and
mineral deposits, II: Volcanogenic
massive sulphide deposits and black
smokers; Extraterrestrial volcanism, I:
Venus and The Moon,
Finish L26
Start L27: Extraterrestrial volcanism, II:
Mars, Io, Cryovolcanism; Course
evaluation
3
Assigned Reading and
L&H Text Reading Due
L&H Ch. 5, 6, 9
L&H Ch. 12
L&H Ch. 3
[None]
Voight, B., 1990;
L&H Ch. 14
L&H Ch. 15
L&H Ch. 15, 12
L&H Ch. 12
Class#Date Day
42
43
May M
4
6 W
13 We
Lecture Topic
Finish L27; Start L28: Societal
applications: Geothermal resources; soil;
climate; petroleum maturation and
reservoirs
Finish L28
Final Examination, Wednesday,
10:30am-12:30pm
Assigned Reading and
L&H Text Reading Due
L&H Ch. 15, 13
Textbook (“L&H”): Lockwood and Hazlett (2010) Volcanoes: Global Perspectives: Oxford,
Wiley-Blackwell, 541 p.
4