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EzraVolcanic bombs are formed when lava is ejected from a volcanic vent in a semi-molten state. The lava is then shaped into a projectile by the force of the eruption and it solidifies before hitting the ground. The shape and size of volcanic bombs depend on the viscosity of the lava and the intensity of the eruption.
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What is volcanoic bombs?
Volcanic bombs are blobs of molten rock ejected during a volcanic eruption. They are typically large, ranging in size from a few centimeters to several meters, and can be highly aerodynamic due to their semi-liquid state. These projectiles solidify in the air before landing around the volcanic vent.
Which type of volcano pruduces valcanic bombs?
Volcanic bombs are produced by explosive volcanoes, specifically by Strombolian and Vulcanian eruptions. These explosions eject viscous lava fragments that solidify before hitting the ground, forming the characteristic shape of volcanic bombs.
How are volcanic bombs lapili and ash relate to tephra?
Volcanic bombs, lapilli, and ash are all types of tephra, which refers to any fragments of volcanic rock and lava that are explosively ejected during a volcanic eruption. Volcanic bombs are large, aerodynamic clasts that cool in flight, lapilli are small rock fragments ranging from 2 to 64 mm in size, and ash consists of fine particles less than 2 mm in diameter. Together, they make up the different-sized components of tephra fallout from volcanic eruptions.
What are rounded rocks that get flung by volcanoes?
Those are likely volcanic bombs, which are large pieces of molten rock that are ejected during volcanic eruptions. They cool and solidify into rounded shapes as they are thrown through the air.
What term describes fragmental volcanic material?
Fragmental volcanic material is often referred to as pyroclastic or tephra, which includes ash, lapilli, and larger volcanic blocks and bombs produced during explosive volcanic eruptions.
