Viscous lava flows
Department
Subject
Igneous rocks
Volcanic rocks
Volcanology
Field geology
15th century obsidian flow
Iceland
Medicine Lake volcano, California
Glass Mountain flow, Medicine Lake, California
Medicine Lake volcano
Little Glass Mountain flow
Newberry caldera, Oregon
Big Obsidian Flow
1739 rhyolite flow
Fossa Di Vulcano
New Guinea
1944 flow, Vesuvius
Menengai caldera, Kenya
Wagon Wheel Gap, Colorado
Fantale Volcano, Ethiopia
Rocche Rosse obsidian flow, Lipari
Rocche Rosse
Juzini rhyolite
Crocodile River, South Africa
Cinque Denti, Pantelleria
Pico de Teide,Tenerife, Canary Islands
Star Mountain rhyolite
Davis Mountains, Texas
Viscosity
Eruption rate
Topography
Lava flow
Lava dome
Slope
Vent
Viscous lava
Rhyolite
Phonolite
Obsidian
Glacier
Levee
Lateral moraine
Pressure ridge
Flow direction
Pumice
Flow lobe
Broken glass
Rotated block
Active volcano
Layered crystalline rhyolite
Mafic lava
Crystals
Buckling
Cross section
Ramp structure
Tension crack
Boudinaged pumiceous layer
Tension fracture
"Stretch marks"
"Alligator skin"
Folds
Glassy rhyolite
Jointed interior
North West Coulee, Mono Craters, California
Volcanic rocks
Volcanology
Field geology
15th century obsidian flow
Iceland
Medicine Lake volcano, California
Glass Mountain flow, Medicine Lake, California
Medicine Lake volcano
Little Glass Mountain flow
Newberry caldera, Oregon
Big Obsidian Flow
1739 rhyolite flow
Fossa Di Vulcano
New Guinea
1944 flow, Vesuvius
Menengai caldera, Kenya
Wagon Wheel Gap, Colorado
Fantale Volcano, Ethiopia
Rocche Rosse obsidian flow, Lipari
Rocche Rosse
Juzini rhyolite
Crocodile River, South Africa
Cinque Denti, Pantelleria
Pico de Teide,Tenerife, Canary Islands
Star Mountain rhyolite
Davis Mountains, Texas
Viscosity
Eruption rate
Topography
Lava flow
Lava dome
Slope
Vent
Viscous lava
Rhyolite
Phonolite
Obsidian
Glacier
Levee
Lateral moraine
Pressure ridge
Flow direction
Pumice
Flow lobe
Broken glass
Rotated block
Active volcano
Layered crystalline rhyolite
Mafic lava
Crystals
Buckling
Cross section
Ramp structure
Tension crack
Boudinaged pumiceous layer
Tension fracture
"Stretch marks"
"Alligator skin"
Folds
Glassy rhyolite
Jointed interior
North West Coulee, Mono Craters, California
Collections
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