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Magma can reach the surface at divergent plate boundaries, where tectonic plates move apart. This movement creates a gap that allows magma from the mantle to rise, leading to volcanic activity. As the magma erupts, it can form new crust, such as at mid-ocean ridges. This process plays a key role in the formation of new geological features and the recycling of Earth's crust.
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What is magma called when it comes out of the ground?
Magma that flows onto the Earth's surface is called Lava.
What happens as magma comes to the surface where plates move apart at mid-ocean ridges?
The magma (lava) solidifies as it cools, forming extrusive igneous rock; in this case, the rock basalt. In the slow dance of plate tectonics, the newly formed crustal rock is pulled away from the mid-ocean ridge, replaced by newer solidifying basaltic lava.
Why are volcanoes in our world?
They are a result of tetonic activity. they occur when two plates push together under a great pressure and then begin to fold upwards. when there is a weakness in the plates the mantles pressure builds and magma comes to the surface.
What comes first in an eruption magma or lava?
Mountain comes first because the formation of a volcano mountain comes first then it will have a crater because the magma chamber is already full it needs to release the magma which want to go up to the crust
A is an opening in Earth's surface though which magma comes out?
Fissures
What is magma called when it comes out of the ground?
Magma that flows onto the Earth's surface is called Lava.
What happens as magma comes to the surface where plates move apart at mid-ocean ridges?
The magma (lava) solidifies as it cools, forming extrusive igneous rock; in this case, the rock basalt. In the slow dance of plate tectonics, the newly formed crustal rock is pulled away from the mid-ocean ridge, replaced by newer solidifying basaltic lava.
Why does magma rise as the plates pull apart?
Interior pressure of the forces the magma through the crack. This upwelling of magma then rapidly cools and becomes brittle as it hardens. The pressure of the subsurface magma then breaks this brittle rock and forces more magma up in a continuous cycle.
Why are volcanoes in our world?
They are a result of tetonic activity. they occur when two plates push together under a great pressure and then begin to fold upwards. when there is a weakness in the plates the mantles pressure builds and magma comes to the surface.
When magma comes up to earths surface and hardens what is it called?
When magma comes up to Earth's surface and hardens, it is called lava.
What is a good sentence for magma?
Magma flows beneath the Earth's surface, often leading to volcanic eruptions when it reaches the surface.
What comes first in an eruption magma or lava?
Mountain comes first because the formation of a volcano mountain comes first then it will have a crater because the magma chamber is already full it needs to release the magma which want to go up to the crust
When magma hardens and comes to the earths surface what is it called?
If the magma has hardened before being exposed at the surface it would be considered an intrusive igneous rock. It is hardens at or near the surface, it would be called extrusive igneous rock.
A is an opening in Earth's surface though which magma comes out?
Fissures
Magma oozing out of cracks in Earth's surface is called?
magma oozing out of cracks in earth's surface is called
How magma exit on Earth?
Under the ground (down VERY far) there are things called magma chambers. Inside them is magma (obviously). There are tubes leading out of this. When the earths tectonic plates shift the magma chamber is disturbed and magma comes up through the tubes (the tubes are naturally formed). When the magma comes up to the earth's surface it is called lava. Lava turns to a rock like substance when cool and after many "eruptions" it builds up to form what we know as volcanoes.
What is the opening in earths crust where magma comes to the surface?
The correct answer is Volcanos
