All solid material ejected from a volcano are know as
Tephrha
Volcano that erupted on the us west coast in 1980
Mt. St. Helens
this type of volcano is composed completely of tephra
1-2% gas low viscosity
Basaltic Magma
All underground igneous intrusions are know as
Plutons
Volcani blocks
Supervolcano in the us that is a national park
Yellowstone
This type of volcano form from alternating layer of ash and lava
Composite volcano
4-6 % gas, high viscosity
Rhyolite Magma
Largest plutons
Batholiths
smaller rounded fragments ejected from a volcano are know as
Volcanic bombs
Hot spot volcano in Hawaii's big island
Kīlauea Volcano
This type of volcano is often made from basaltic lava
shield volcao
3-4 % gas medium viscosity
Andesite Magma
Intrusions that form in vertical cracks
Dikes
Pyroclastic flow
this volcano wiped out the city of Pompei with a pyroclastic flow in 79 AD
Vesuvious
The largest volcanoes in the world are this type of volcano
Shield volcano
thus type of magma is found in the Hawaiian Islands
Baslatic Lava
Intrusion that form in horizontal layers
sills
Small rocks ejected from a volcano are know as
Lapilli
Icelands newest volcano
Geldingadalir
Mt. St Helens is this type of volcano
Composite volcano
This type of magma produced the strongest explosions
Rhyolite magma
intrusions that pushes up to form a small dome
Lacolith