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A
A'a lava
Accretionary
lapilli
Accretionary
lava balls
Active volcano, defined
Agglomerate
Agglutinate
Agua,
Guatemala
Akrotiri
(Santorini)
Alkalic
lavas
Amphitheater,
Mt. St. Helens
Anak
Krakatau
Andesite
Andesite
lava
Aniachak caldera,
Alaska
Anorthosite, Lunar
highlands
Apollinaris Patera,
Mars
Arachnoids,
Venus
Armero, Colombia
Ash
Ash
cloud
Ash-fall deposits
Ash
tuff
Aspect
ratio
Asthenosphere
Atlantis,
legend of
Axiolitic
texture
B
Bandelier
Tuff
Basalt
Basalt House, Panape
Basaltic
lava
Base
surges
Black
smokers
Block-and-ash
deposits
Blocky
lava
Blocks and bombs
Bomb
sags
Breadcrust
bombs
C
Calderas
Calderas,
Crater-lake type
Calderas, Shield volcano
type
Calderas, resurgent
Calderas, on Venus
Capelinhos,
Azores
Carbonatites
Carbon
dioxide
Cauldron
subsidence
Central
vent
Central
vent volcanoes, Venus
Ceraunius Tholus,
Mars
Cerro
Panizos caldera, Bolivia
Cerro
Negro, Nicaragua
Chao
coulee, Chile
Chill
shattering
Clastic dikes
Climate
effects
Co-ignimbrite
ashes
Colima,Mexico
Colonnade
Columbia
River Flood Basalts
Columnar
jointing
Columnar jointing,
Staffa lava flow, Scotland
Compaction
and welding, ignimbrites
Composite
cones
Compound
lava flows
Confining
pressure
Continental flood basalt
provinces
Convection
in eruption
Coronae, Venus
COSPEC
Coulées
Crater
Lake, Oregon
Crossword
puzzle
Curtain
of fire
D
Dacite
Dacitic lava
Danan volcano, Krakatau
Devitrification
Differentiation of Earth
Dike
Dispersal and fragmentation
Dome flow
Dome
growth, Mt. St. Helens
Dormant volcano
E
Effusion
rate
El Chichon, Mexico
Electron lahar
El Palmar Lahar,
Guatemala
Elutriation
Entablature
Entrail pahoehoe
Erta' Ale, Ethiopia
Eruption
column
Eruption,
controls on
Eruption
model
Eruption plumes, Io
Eruption
types
Eutaxitic
texture
Explosion tube
Explosivity,
controls on
Explosivity, fragmentation,
and dispersal
Exsolution
surface
Extinct volcano
F
Felsic
magma
Fiamme,
hand specimen
Fiamme,
thin section
Fire
fountaining
Fire fountaining,
Pu'u O'o
First
boiling
Fissure eruptions
Flank eruption
Flood
basalts
Flow
features
Flow
inflation
Fluidization, pyroclastic
flows
Fluidizaation
pipes
Foundation seamount
chain
Fragmentaion, quantified
Fragmentation
surface
Frequency and size of eruptions
Fumaroles
Fumarole
pipes, Argentina
Fumarole pipes, Mt.
Mazama
G
Galapogos shields, defined
Galapogos
sheild, satellite view
Gas,
surface hazards
Gas exsolution
Gas expulsion, Lake Nyos
Gas
thrust region
Glass
shards, ignimbrites
Global
cooling, examples
Global warming
Glowing avalanche
Graham Island
Greenhouse
effect
Greenhouse
effect, influence of eruption
Ground surge
H
Harrat
Khaybar, Saudi Arabia
Hawaiian hotspot track
Hawaiian eruptions
Haze
effect
Haze
effect, influence of eruption
Heat, Internal Earth
Hekla,
Iceland
Herculaneum
Historical
eruptions
Hornitos
Hotspots
Hotspots, Mars
Hotspot
track
Hyaloclastite
Hydrothermal vents
Hydrovolcanic
eruptions
Hydrovolcanic vents
I
Icelandic
eruptions
Icelandic
shields
Ignimbrites
Ignimbrite,
nonwelded rock textures
Ignimbrite,
welded textures
Intraplate volcanism
Invasive lava flows
Island arc
Io
J
Jabal
Abyad, Saudi Arabia
Jabal Hil, Saudi Arabia
Jointing
Jokulhlaups
K
Katmai, Alaska
Kilauea,
Hawaii
Kilauea
caldera
Kilauea
Iki
Kipuka
Klyuchvskaya,
Kamchatka
Komatiites
Krakatau,
Indonesia
Krakatau,
climate change
Kupaianaha volcano
Kupaianaha
lava lake
L
Lahars
Lahar,
Mt. Pinatubo
Lahar,
Nevado del Ruiz, Colombia
Lake Nyos, Cameroon
Laki,
Iceland
Laki,
climate change
Lake
Kivu, East Africa
Landforms,
Volcanic
Lapilli
La
Porune, Chile
Lascar,
Chile
Lava
Lava
cascades
Lava
channels
Lava domes
Lava
dome, Showa Sin-Zan, Japan
Lava
domes, Peleean
Lava drapery
Lava
falls
Lava flows
Lava
flows, Io
Lava
lakes
Lava
levees
Lava stalactites
and stalagmites
Lava
tubes
LAZE
Limu
o Pele
Linear
vent systems
Linear vents,
Harrat Khaybar, Saudi Arabia
Lithophysae
Lithosphere
Littoral
cones
Long
Valley caldera
Lunar
Highlands
Lunar Maria
M
Maar,
Lake Nyos, Cameroon
Maar, Harrat Shama, Saudi Arabia
Maars
Mafic
magma
Magma
Magma chamber
Magma
column
Mantle
plumes
Mantle plumes, Venus
Mammoth Mtn., California
Mare
basalts
Mars
Mauna Loa fissures,
satellite view
Mauna
Loa, oblique aerial view
Mauna Loa,
satellite view
Mid-Atlantic
ridge
Mid-oceanic
ridges
Minoan
civilization
Mokauweoweo
caldera
Montreal
Protocol
Mono-Inyo Craters
Moon
Mt. Adams
Mt.
Augustine, Alaska
Mt. Etna, aerial view
Mt. Etna, strombolian
eruption
Mt.
Etna, 2002 eruption
Mt. Rainier
Mt.
Fuji, Japan
Mt. Mayon, Philippines
Mt.
Mazama
Mt. Mazama ignimbrite
Mt. Pelée,
Martinique
Mt.
Pinatubo, Philippines
Mt. St. Helens
Mt. St. Helens,
bulge
Mt.
St. Helens, lahar
Mt.
St. Helens, lava dome
Mt. St. Helens,
ignimbrite
Mt.
Unzen, Japan, nuee ardente
Mt. Vesuvius,
79 AD
Mt. Vesuvius, satellite
view
N
Natrocarbonatites
Nebular
hypothesis
Nevado del
Ruiz, Colombia
Nea and Palea Kameni,
Greece
Novarupta
dome, Alaska
Nueé
ardentes
Nueé ardentes,
Mt. Pelee
Nyamuragira
and Nyiragongo, Congo
O
Obsidian flow, California
Obsidian
flows
Oceanic
crust
Oceanic
trench
Oldoinyo
Lengai, Tanzania
Olympus
Mons, Mars
Osceola
lahar
Ozone
effect
Ozone
effect, influence of eruptions
Ozone hole
P
Pahoehoe, lava
Pahoehoe,
conversion to A'a
Pahoehoe, inflated
sheetflows
Pahoehoe, ropy,
shelly, and slabby
Pahoehoe
toes
Palagonite
Palagonite tuff
Pancake
domes, Venus
Parasitic
cones
Parasitic
cones, Mauna Kea
Paricutin,
Mexico
Paterae,
Mars
Pele, the
Hawaiian Goddess of Fire
Pele's
hair
Pele's
tears
Peléen
eruptions
Peperite
Peperite,
Columbia River Basalt
Perbuwatan
crater, Krakatau
Phonolites
Phreatic
eruptions
Phreatomagmatic
eruptions
Pillow
basalts
Pit
craters
Plate
tectonics
Plinian eruptions
Pliny the
Elder and Younger
Plumes,
mantle
Polymerization
Pompeii
Popocatepetl,
Mexico
Potentially
active volcano, defined
Prometheus,
Io
Pressure
ridges
Pumice
Pumice-fall deposits
Pumice
flows
PuuOo,
Hawaii
Pyroclastic
Pyroclastic breccia
Pyroclastic
fall
Pyroclastic
flows
Pyroclastic sheetflows
Pyroclasts
Q
R
Radioactive
decay
Rakata cone, Krakatau
Redoubt,
Alaska
Regolith,
moon
Resurgent
caldera
Reticulite
Retrograde
boiling
Rheomorphic
ignimbrite
Rhyolite
Rhyolitic
lavas
Ring
of Fire
Rio Loa
pyroclastic sheetflows, Chile
Rootless
vents
Rootless vents, Mars
Ropy
pahoehoe
S
St. Pierre, Martinique
Sacajewa
caldera, Venus
Sakurajima,
Japan
Santiaguito,
lava dome
Santorini,
Greece
Santorini caldera,
oblique aerial view
Santorini,
caldera wall
Scoria
Scoria
cones
Scoria-fall deposits
Seafloor
spreading
Seamounts
Second
boiling
Shelly
pahoehoe
Shield
volcanoes
Shiprock, New Mexico
Shoemaker,
Eugene
Sideromelane
Silica
Silica-oxygen
tetrahedron
Sill, as invasive protrusion
Sillar
Simple
lava flows
Simple flows,
Palouse Falls, Washington
Sinuous
rilles
Skylights
Spatter
Spatter
cones
Spatter
ramparts
Spatter-fed flows
Spherulites
Spinifex
texture
Spiracle
Squeeze-ups
Stratovolcanoes
Strombolian
eruptions
Stromboli,
Italy
Subduction
zones
Sulfaterra
Sulfur
dioxide
Sulfur
on Io
Sunda
Straits
Sunset
Crater, Arizona
Sunsets,
volcanic
Surtseyan
eruptions
T
Tachylite
Tambora,
Indonesia
Tambora,
climate change
Tarawera,
New Zealand
Tavurvur, Papua Ne
Guinea
Tephra
Tharsis shield
volcanoes, Mars
Thera,
Greece
Tholi,
Mars
Ticks, Venus
Toba,
Indonesia
Toba ignimbrite
TOMS
Tortas
Tower of Pélee
Trachytic
lavas
Tuff
Tuff breccia
Tuff
rings
Tuff ring, Harrat
Khaybar, Saudi Arabia
Tumuli
Tvashtar Catena, Io
U
Ukinrek,
Aleutians
Umbrella
region
Unzen
volcano, Japan
V
Valles
caldera, New Mexico
Valley
of Ten Thousand Smokes, Alaska
Vapor-phase
crystallization
Vapor
pressure
Variability of eruptions
VEI
Vent
Venus
Vesicles
Vesicle
cylinders
Vesiculation
Vesiculation
region
Villarrica volcano,
Chile
Virunga volcano chain
Viscosity
VOG
Volcanic breccia, lunar
highlands
Volcanic
edifice
Volcanic
gases
Volcanic
arc
Volcanic
Explosivity Index
Volcano-climate
interactions
Volcano
types, general characteristics
Vulcano, Italy
Vulcanian
eruptions
W
Welding in ignimbrites
Wizard
Island
X
Y
Year without a summer
Yellowstone
Z