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Is Tephra igneous?
Yes, tephra is igneous in origin. Tephra is made up of fragmented rock material ejected during a volcanic eruption, such as ash, pumice, and volcanic bombs, and is typically formed from solidified magma or lava.
Is mount spurr composite?
Yes, Mount Spurr is a composite volcano, which means it is made up of both lava flows and pyroclastic material like ash, pumice, and volcanic rock. It is located in Alaska and is known for its explosive eruptions.
What materials are ejected from andesitic composite volcanoes?
Andesitic composite volcanoes typically eject pyroclastic material, which includes ash, pumice, and volcanic bombs. These materials are a result of explosive eruptions caused by the high viscosity of andesitic magma, leading to the build-up of pressure within the volcano.
Where is a cinder cones volcanoes located?
Cinder cones are the mountainous structure built up by some volcanoes. Most of the material that makes up the cone is ash and cinders expelled from the top of the cone.
Did mt saint helens erupt lava or just ash?
The main eruption of 1980 released ash, pumice, and gas. Smaller eruptions that occurred later produced very viscous lava that piled up into a lava dome.
Is Tephra igneous?
Yes, tephra is igneous in origin. Tephra is made up of fragmented rock material ejected during a volcanic eruption, such as ash, pumice, and volcanic bombs, and is typically formed from solidified magma or lava.
Is mount spurr composite?
Yes, Mount Spurr is a composite volcano, which means it is made up of both lava flows and pyroclastic material like ash, pumice, and volcanic rock. It is located in Alaska and is known for its explosive eruptions.
What materials are ejected from andesitic composite volcanoes?
Andesitic composite volcanoes typically eject pyroclastic material, which includes ash, pumice, and volcanic bombs. These materials are a result of explosive eruptions caused by the high viscosity of andesitic magma, leading to the build-up of pressure within the volcano.
Where is a cinder cones volcanoes located?
Cinder cones are the mountainous structure built up by some volcanoes. Most of the material that makes up the cone is ash and cinders expelled from the top of the cone.
Which material makes up Mount Rushmore?
The material that makes up Mount Rushmore is granite.
Did mt saint helens erupt lava or just ash?
The main eruption of 1980 released ash, pumice, and gas. Smaller eruptions that occurred later produced very viscous lava that piled up into a lava dome.
What shape is mount nyiragongo?
Mount Nyiragongo is a stratovolcano, which is a conical volcano built up by many layers (strata) of hardened lava, tephra, pumice, and volcanic ash.
What makes up Mount St. Helen?
Mt. St. Helen's is a stratovolcano, which means it is made up of lava, ash, and cinder. A stratovocano explosions are made up of trapped gasses inside the volcano, exploding lava, hot ash, and cinder and are usually extremely violent.
What is inside pumice?
Pumice is a volcanic rock that is light in weight due to its high porosity and low density. It is composed of highly vesicular glassy material with trapped air bubbles, formed during volcanic eruptions. Pumice may also contain crystals of various minerals such as feldspar, quartz, and biotite.
Which volcanic material would most likely be produced by a violent eruption?
Pyroclastic material, such as ash, pumice, and volcanic bombs, would most likely be produced by a violent volcanic eruption. These materials are expelled from the volcano with great force and can cause widespread destruction.
Material that makes up chromosomes?
chromatin
Why the ash from a volcanic eruption can be hazardous?
The pyroclastic material and bits of rock can get into your lungs and cut up your lungs.
