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Why are pieces of pumice sometimes found very far from the volcanic eruptions by which they were formed?
Pumice can be carried far from its volcanic source by wind and water currents due to its low density and buoyancy. When a volcanic eruption occurs, pumice is ejected into the atmosphere, where it can be transported over long distances before settling to the ground. Additionally, pumice can float on water, allowing it to drift across oceans and lakes, leading to its presence far away from the eruption site.
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What is the volcanic fragments that are 2-64 mm in size?
Volcanic fragments that are 2-64 mm in size are classified as lapilli. These fragments are formed during explosive volcanic eruptions when magma is fragmented into small pieces as it is ejected into the air. Lapilli can vary in composition and shape, and are larger than volcanic ash particles but smaller than volcanic blocks.
How did Mt Rangitoto form?
Mt Rangitoto is a volcanic island in New Zealand's Hauraki Gulf that was formed by a series of eruptions around 600 years ago. The eruptions created a cone-shaped volcanic mountain that rises to a height of 260 meters above sea level. The lava flows from these eruptions spread out to create the distinctive landscape of the island.
What is formed by the the small pieces of volcanic glass minerals and ash from a volcano?
sediments
What are large pieces of pyroclastic material that are rounded and spindle shaped called?
They are called volcanic bombs. These projectiles are ejected during explosive volcanic eruptions and solidify in the air before landing on the ground.
During a volcanic eruption, particles calledfine dust to pieces weighing several tons, are ejected?
Pyroclastic material. The fragments ejected during eruptions range in size from very fine dust and ash to pieces that weigh several tons.
What is the volcanic fragments that are 2-64 mm in size?
Volcanic fragments that are 2-64 mm in size are classified as lapilli. These fragments are formed during explosive volcanic eruptions when magma is fragmented into small pieces as it is ejected into the air. Lapilli can vary in composition and shape, and are larger than volcanic ash particles but smaller than volcanic blocks.
How did Mt Rangitoto form?
Mt Rangitoto is a volcanic island in New Zealand's Hauraki Gulf that was formed by a series of eruptions around 600 years ago. The eruptions created a cone-shaped volcanic mountain that rises to a height of 260 meters above sea level. The lava flows from these eruptions spread out to create the distinctive landscape of the island.
What is formed by the the small pieces of volcanic glass minerals and ash from a volcano?
sediments
Why were islands made?
Islands are formed through natural processes such as volcanic activity, erosion, and sediment deposition. Volcanic islands are created by the accumulation of lava and ash from volcanic eruptions, while erosion can cause landmasses to break apart into smaller pieces, forming islands. Additionally, islands can also be formed by the deposition of sand and sediment carried by water currents.
What are large pieces of pyroclastic material that are rounded and spindle shaped called?
They are called volcanic bombs. These projectiles are ejected during explosive volcanic eruptions and solidify in the air before landing on the ground.
Can volcanoes make diamonds?
No. Diamonds are formed deep within the Earth's mantle, under extreme high temperature and high pressure. They erupt to the Earth's surface by way of deep source volcanic eruptions,which leave behind plugs of solidified magma called volcanic pipes, which may contain pieces of minerals they gathered on their way up, including diamonds. These events are much rarer than ordinary volcanic eruptions, in fact we have yet to observe one in action.
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 are volcanic blocks?
Volcanic blocks are large, solid rock fragments ejected during volcanic eruptions. These blocks can vary in size from small pieces to boulders and can be made of different types of rock depending on the composition of the volcano. They are typically formed from cooling and solidifying magma or from fragments of older rocks broken apart during an eruption.
During a volcanic eruption, particles calledfine dust to pieces weighing several tons, are ejected?
Pyroclastic material. The fragments ejected during eruptions range in size from very fine dust and ash to pieces that weigh several tons.
What Pieces of rock and debris that are carried within lava and propelled through the air during an eruption are called?
These pieces are called volcanic projectiles or volcanic bombs. They are formed when lava is ejected into the air during an eruption and cools and solidifies as it travels through the atmosphere.
What are the large pieces in the Earth's crust called?
The large pieces in the Earth's crust are called tectonic plates. These plates float on the semi-fluid asthenosphere beneath them and interact with each other, leading to various geological phenomena such as earthquakes and volcanic eruptions.
What are the names of the pieces of the outer layr?
The pieces of the Earth's outer layer are called tectonic plates. These plates float on the semi-fluid asthenosphere beneath them and interact with each other at plate boundaries, causing processes like earthquakes and volcanic eruptions.
