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How did pillow lava get its name?
Pillow lava got its name because of its distinctive pillow-like shapes that form when lava flows underwater and cools rapidly. As the outer layer of lava cools and solidifies quickly upon contact with water, it forms a rounded mound resembling a pillow. This unique shape is characteristic of lava flows in underwater volcanic environments.
What forms as result of lava that has cooled at the top of a volcano?
When lava cools at the top of a volcano, it forms igneous rocks such as basalt or andesite. These rocks can sometimes create formations like lava domes or hardened lava flows.
What type of lava forms the Lascar volcano?
The Lascar volcano forms basaltic lava, which is low in viscosity and typically erupts explosively, creating lava fountains, flows, and pyroclastic material.
Molten material that flows from volcanoes?
Molten material that flows from volcanoes is called lava. This hot, liquid rock can reach temperatures of over 1,300 degrees Fahrenheit. As it cools and solidifies, it forms igneous rocks like basalt or andesite.
How are the slope of a volcano and the type of lava that forms the volcano related?
The slope of a volcano can affect the type of lava that erupts. Steeper slopes typically result in more explosive eruptions with thicker, more viscous lava that can lead to pyroclastic flows and ash clouds. Meanwhile, gentler slopes tend to produce less explosive eruptions with runnier, less viscous lava that flows further and can create lava flows.
What forms when lava flows vertically through a layer of rock?
When lava flows vertically through a layer of rock, it can form volcanic dikes. Dikes are igneous intrusions that cut across existing rock layers, forming when magma is forced upward through fractures in the rock and solidifies in a vertical orientation.
What forms when lava flows horizontally across a layer of rock?
When lava flows horizontally across a layer of rock, it can form a flat, expansive volcanic plateau known as a lava plateau or lava plain. This occurs when the lava spreads out and solidifies over a large area, creating a relatively flat surface with a thick layer of cooled lava.
Lava plateaus forms when?
Lava plateaus form when fluid basaltic lava flows out of fissures.
Which layer of the Earth flows like a lava lamp?
Asthenosphere
What rock does lava form?
The igneous rock forms from lava because when a volcano erupts the lava that flows from a volcano. Igneous rocks have a hot liquid in the beginning. The lava that flows forms into an igneous rock fast. When the lava reaches the surface, it cools rapidly and turns into igneous rock.
How extrusion forms?
An extrusion is an igneous rock layer formed when lava flows onto Earth's surface and hardens. Extrusions are always younger than the rocks below it.
How did pillow lava get its name?
Pillow lava got its name because of its distinctive pillow-like shapes that form when lava flows underwater and cools rapidly. As the outer layer of lava cools and solidifies quickly upon contact with water, it forms a rounded mound resembling a pillow. This unique shape is characteristic of lava flows in underwater volcanic environments.
What forms as result of lava that has cooled at the top of a volcano?
When lava cools at the top of a volcano, it forms igneous rocks such as basalt or andesite. These rocks can sometimes create formations like lava domes or hardened lava flows.
What type of lava forms the Lascar volcano?
The Lascar volcano forms basaltic lava, which is low in viscosity and typically erupts explosively, creating lava fountains, flows, and pyroclastic material.
What happens when molten lava flows on the surface of earth?
It cools and forms new land.
Molten material that flows from volcanoes?
Molten material that flows from volcanoes is called lava. This hot, liquid rock can reach temperatures of over 1,300 degrees Fahrenheit. As it cools and solidifies, it forms igneous rocks like basalt or andesite.
When lava flows out of cracks in a certain area the layers of lava can build up over time forming what?
Lava forms island, land, & shiny rocks
