Types of Volcanoes
A type of volcano that has erupted within recorded history
Active Volcano
True/False: Some volcanoes that were considered dormant have erupted, causing massive damage
True
Type of rock volcanoes are made of
Igneous
Tiny, angular fragments of glass
Ash
A spring that periodically ejects large amounts of hot water and steam is known as a _____.
Geyser
A volcano with no historical record of erupting, and shows no seismic activity
Extinct Volcano
Most active volcanoes in the world exist near ____?
The depression found at the top of most volcanic cones is called a ______?
A Crater
Mudslide caused by massive amounts of melted snow.
Lahar
Where do mineral Terraces form?
(think about that hike close to Vegas)
Hot Springs
A volcano that hasn't erupted historically, but hasn't eroded either.
Dormant Volcano
What do we call volcanic activity that happens on the Inside of the earth's crust?
Intrusive Volcanology
Wall-like igneous intrusions are called _____
Dikes
Solid chunks of rock that are launched off of a volcano when it erupts.
Tephra
The internal energy of the earth that is sometimes harnessed for man's use is called ________ Energy
Geothermal
Volcano that emits mostly lava in quiet eruptions
Shield Volcano
Solid chunks of rock that are ejected from a volcano are called _____.
Tephra
Batholoths and Laccoliths are both types of _____.
Plutons
Many more deaths occur from ______, than from flowing lava.
Pyroclastic Flow/Glowing Avalanches
Hydrothermal
Volcano that emits mostly cinders, ashes, and bombs.
Cinder Cone
Smooth, flowy lava is called what?
Pahoehoe
Why do geysers and hot springs produce distinctive mineral deposits?
Hot groundwater dissolves minerals in the rocks it flows over, and they solidify when they cool on the surface.
Name as many types of volcanic emissions as you can.
Solids: Ash, Cinders, Blocks
Liquids: Lava, Bombs
Gases: Pyroclastic Flow
When do most young-earth geologist's view of volcanoes?
During, or shortly after The Flood