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Lava plateaus forms when?
Lava plateaus form when fluid basaltic lava flows out of fissures.
Why is most lava that forms of earths surface unnoticed and unobserved?
Most lava that forms on Earth's surface goes unnoticed because it typically occurs in remote or uninhabited areas, such as the ocean floor or within volcanic fields. Additionally, the scale of volcanic activity and lava flows can vary greatly, with some eruptions producing lava that flows slowly and may not attract widespread attention.
What type of magma forms at mid-ocean ridges?
Mid-ocean ridges typically produce basaltic magma, which is low in silica content and flows easily. This type of magma is associated with fast-spreading divergent plate boundaries and results in the formation of oceanic crust.
What is molten rock that flows onto the seafloor and hardens as it cools?
Molten rock that flows onto the seafloor and hardens as it cools is called basalt. Basalt is the most common type of lava erupted at mid-ocean ridges and forms the oceanic crust.
What forms when lava flows vertically a layer of rock?
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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.
Describe the appearance of lava flows along the ocean floor?
When a volcano ejects lava from the ocean floor, the lava cools very rapidly. This causes the outside of the lava plume to solidify. Pressure builds inside this lava pillow, as it is usually described, until it breaks through a weak area in the pillow "shell" and forms a new lava pillow. The process repeats until the lava source is exhausted or the pressure wanes.
Where can basalt be found?
It can be found at the ocean's floor and in areas where lava flows occurred.
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.
Why does lava cool rapidly along mid ocean ridge?
Lava flows from the rifts and is cooled quickly by sea water
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.
When lava flows from fissures on the ocean floor at places where tension is causing the ocean floor to be pulled apart new is?
Ocean floor
