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What forms when molten rock erupts onto Earths surface?
When molten rock erupts onto Earth's surface, it forms lava flows and igneous rock formations. The type of igneous rock formed depends on the composition of the magma and the speed of cooling. Each eruption can create unique landforms like volcanoes, lava plateaus, and volcanic islands.
What type of igneous rock forms form lava or magma that erupts onto the earths surface?
extrusive igneous rock
What forms in earths crust when molten material reaches the surface?
When molten material reaches the surface of the Earth, it can solidify into different forms depending on the speed of cooling. If it cools quickly, it forms extrusive igneous rocks like basalt. If it cools slowly underground, it forms intrusive igneous rocks like granite.
What is is a molten rock that erupts from volcanos?
The molten rock that erupts from volcanoes is called lava. When magma, which is found beneath the Earth's surface, rises and reaches the surface during a volcanic eruption, it becomes lava. Once it cools and solidifies, it forms various types of volcanic rock. Lava can flow slowly or erupt explosively, depending on its composition and the gases it contains.
Did pumice form underground?
No. Pumice forms above ground as frothy molten rock erupts from a volcano.
Describe two igneous structures that form under earths surface?
Igneous rocks are formed from the molten liquid minerals that lie below the earth's crust. Intrusive igneous rocks forms in magma chambers that are deep underground it is molten by heat and pressure. Extrusive igneous rocks forms when magma makes its way to Earth's surface when the molten rock erupts.Jennifer
What is lava magma and crater?
Lava is molten rock that flows on the Earth's surface during a volcanic eruption. Magma is molten rock beneath the Earth's surface. A crater is a bowl-shaped depression near the summit of a volcano that forms after an eruption.
What is a molton rock that reaches Earth's surface?
A molten rock that reaches Earth's surface is called lava. It typically erupts from a volcano or fissure in the Earth's crust during volcanic activity. Once it cools and solidifies, it forms igneous rock.
What forms when molten material from beneath earth's surface cools but doesn't hardens?
When molten material from beneath the Earth's surface cools but doesn't harden, it forms a type of rock called volcanic glass, or obsidian. Obsidian is a black, glassy rock formed from rapidly cooled lava, which prevents the growth of mineral crystals typically found in other types of rock.
What are the steps in the process of sea-flooring?
The sea-floor spreading begins at the mid-ocean ridge, which forms along a crack in the oceanic crust. Along the ridge, molten material that forms several kilometers beneath the surface, rises and erupts. At the same time, older rock moves outward on both sides of the ridge. As the molten material cools, it forms a strip of solid rock in the center of the ridge. When more molten material flows into the crack, it forms a new strip of rock.
Magma is molten material that forms .?
Magma is molten material that when cooled forms a solid called igneous rock
Intrusive igneous rocks form when hardens and cools beneath Earth and surface.?
The substance that cools beneath the earths surface when an intrusive igneous rock forms is Magma. Magma is a molten material made up of rocks and minerals.
