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A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes. This results in the steady accumulation of broad sheets of lava, building up the shield volcano's distinctive form. Shield volcanoes contain low viscosity magmamaking it have flowing mafic lava.
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What two types of openings does magma erupt from a volcano?
Magma can erupt from a volcano through either a central vent or a fissure. A central vent is a single opening at the summit of a volcano, while a fissure is a long crack in the Earth's surface from which lava can flow.
What is a vent or a fissure in the earth's surface through which magma and gases are expelled?
A volcano?
Is laki a shield volcano or a composite volcano?
Laki is not a shield volcano or a composite volcano. It is actually a volcanic fissure in Iceland that erupted in 1783, causing significant environmental and climatic impacts.
What is a vent or fissure in the earth's surface through which magma and gases are expelled is called?
This describes a volcano.
What type of volcano is laki in Iceland?
Laki in Iceland is a fissure volcano, which is characterized by long, narrow cracks in the Earth's crust where lava can erupt. The Laki fissure eruption in 1783 is known for its massive lava flows and sulfur dioxide emissions, which had significant global climate impacts.
What is the throat of a volcano?
The Fissure vent .
What two types of openings does magma erupt from a volcano?
Magma can erupt from a volcano through either a central vent or a fissure. A central vent is a single opening at the summit of a volcano, while a fissure is a long crack in the Earth's surface from which lava can flow.
What is Mount Fuji type?
it is a large volocano and a fissure volcano
What year did the volcano Parícutin erupt?
The volcano began as a fissure in a cornfield on February 20, 1943. The volcano has been quiet since 1952.
What is a vent or a fissure in the earth's surface through which magma and gases are expelled?
A volcano?
Is laki a shield volcano or a composite volcano?
Laki is not a shield volcano or a composite volcano. It is actually a volcanic fissure in Iceland that erupted in 1783, causing significant environmental and climatic impacts.
What is a vent or fissure in the earth's surface through which magma and gases are expelled is called?
This describes a volcano.
Is a volcano a type of mountain?
Not necessarily. Any hole or fissure from which molten rock or pyroclastic material emerges is a volcano. Not all volcanoes build into mountains.
What type of volcano is laki in Iceland?
Laki in Iceland is a fissure volcano, which is characterized by long, narrow cracks in the Earth's crust where lava can erupt. The Laki fissure eruption in 1783 is known for its massive lava flows and sulfur dioxide emissions, which had significant global climate impacts.
What is the name of the opening in the Earth through which a volcano erupts?
A volcanic vent or fissure (depending on the type of eruption).
What is molten liquefied rock called when it irrupts from the earth's interior from a volcano or fissure and cools into a porous black and hard material?
The molten liquefied rock is called lava when it erupts from a volcano or fissure and cools into a porous black and hard material known as basalt or igneous rock.
What is Opening in earth's crust called?
An opening in Earth's crust is referred to as a fissure or a fracture. These openings can occur due to tectonic plate movement or volcanic activity.
