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USGS Volcano Glossary

May 12th, 2018

A

‘A‘ā
Agglutinate
Alluvium
Andesite
Ash
Ash-flow tuff

B

Back-arc basin
Basalt
Basaltic andesite
Base surge
Batholith
Benchmark
Bishop Tuff
Block and ash flow
Bomb
Breadcrust Bomb

C

Caldera
CE
Cinder cone
Cirque
Composite volcano
Coulee
Crust
Cryptodome
Cumulo-volcano

D

Dacite
Debris avalanche
Debris dam
Deformation
Diamict
Dike
Directed blast
DOAS
Dome
Drainage

E

Edifice
Effusive eruption
Ejecta
Emission
Eruption column
Explosive eruption
Extensional tectonic environment

F

Facies
Fallout
Fissure
FTIR
Fumarole

G

H

Holocene
Hydrology
Hydrothermal explosion

I

Igneous
Intrusive
Isopach

K

L

Lahar
Lateral Blast
Lava
Lava flow
Lava fountain
Lava lake
Lava tube
Lithic
Littoral cone

M

Ma
Maar
Mafic
Magma
Magma chamber
Mantle
Moat
Monogenetic

O

Obsidian
Ophiolite

P

Pāhoehoe
Paleomagnetic studies
Petrologic
Phreatic eruption
Phreatomagmatic eruption
Pillow lava
Pleistocene
Plinian
Postglacial
Pumice
Pyroclast
Pyroclastic flow
pyroclastic surge

Q

R

Resurgent dome
Rhyodacite
Rhyolite

S

Scoria
Sedimentary rocks
Seismic swarm
Seismic tomography
Seismicity
Shield volcano
Silica
Silicic
Sinter
Spatter cone
Stratigraphy (Stratigraphic)
Stratovolcano
Subaerial
Subduction
Submarine volcano

T

Tectonic
Tephra
Tertiary
Thermal
Tsunami
Tuff
Tumulus

U

V

VEI
Vent
Volcaniclastic

This entry was posted on Saturday, May 12th, 2018 at 9:52 am and is filed under Education, Volcano .
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