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Intrusive or extrusive magma can heat and compress the surrounding rock materials, altering their crystal structure and chemical composition. This kind of metamorphism is called "local metamorphism." because the volume of changed rocks due to specific processes is relatively small.Local metamorphism is today, occurring in volcanically active regions an along active faults.

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Which of these are examples of magma that has reached the earth's surface?

Examples of magma that has reached the Earth's surface are lava flows, volcanic ash clouds, and pyroclastic flows. These are all products of volcanic eruptions where magma has made its way to the surface through cracks or vents in the Earth's crust.


What is the term for the flow of magma through cracks in the earth's surface?

The term for the flow of magma through cracks in the Earth's surface is called volcanic eruption. During an eruption, magma is forced through fissures or vents onto the surface, leading to the formation of volcanic features like lava flows, ash clouds, and pyroclastic flows.


What is The crevice through which magma bursts?

The crevice through which magma bursts is known as a "volcanic vent." This opening allows magma from beneath the Earth's crust to escape to the surface during a volcanic eruption. When pressure builds up in the magma chamber, it forces the magma through these vents, which can lead to the formation of volcanoes and lava flows.


Which formation occurs when magma pushes all the way through the exterior of the Earth's crust?

When magma pushes all the way through the Earth's crust, a volcanic eruption occurs. This can lead to the formation of different landforms such as volcanoes, lava flows, and volcanic mountains.


Lava flows and volcanic ash are examples of magma that has reached the earth's surface true or false?

True. Lava flows and volcanic ash are indeed examples of magma that has reached the earth's surface during a volcanic eruption.

Related Questions

Openings through which magma flows out of the earth's surface?

a volcanic vent


Which of these are examples of magma that has reached the earth's surface?

Examples of magma that has reached the Earth's surface are lava flows, volcanic ash clouds, and pyroclastic flows. These are all products of volcanic eruptions where magma has made its way to the surface through cracks or vents in the Earth's crust.


What is the term for the flow of magma through cracks in the earth's surface?

The term for the flow of magma through cracks in the Earth's surface is called volcanic eruption. During an eruption, magma is forced through fissures or vents onto the surface, leading to the formation of volcanic features like lava flows, ash clouds, and pyroclastic flows.


What is liquid magma that flows from a volcanic vent called?

Ava


Which formation occurs when magma pushes all the way through the exterior of the Earth's crust?

When magma pushes all the way through the Earth's crust, a volcanic eruption occurs. This can lead to the formation of different landforms such as volcanoes, lava flows, and volcanic mountains.


Lava flows and volcanic ash are examples of magma that has reached the earth's surface true or false?

True. Lava flows and volcanic ash are indeed examples of magma that has reached the earth's surface during a volcanic eruption.


What is the part of the volcano called where the magma flows out of?

This is known as a volcanic vent.


What happen in volcanic eruption?

Magma flows onto surrounding Landscape.


What is the crevice through which the magma bursts out of?

The opening that you are asking about is called a vent. Magma can burst through any weakness in the side of a Volcano or underground passage where Magma is close to the surface. There are also openings called Tubes that are sometimes formed that Magma flows through that are like channels and the Lava stays very hot and flows very fast through them to the end where it comes out very fluid.


Where would you most likely find magma at the earth's surface?

You would most likely find magma at the Earth's surface in locations where volcanic activity is occurring, such as volcanic eruptions, lava flows, and volcanic vents. Magma rises to the surface through volcanic conduits and can form volcanic features like mountains, calderas, and lava lakes.


Caused by magma pushing upward through weak spots in the earth's crust?

Volcanic eruptions are caused by the release of pressure from molten rock, or magma, that rises to the surface through weak spots in the Earth's crust. As the magma pushes upward, it can create volcanic activity, such as lava flows, ash emissions, and explosive eruptions.


What results when a magma chamber partially empties?

When a magma chamber partially empties, the remaining magma can solidify and form igneous rocks. This can result in the formation of a volcanic neck, which is a vertical column of solidified magma that remains after the surrounding rock has eroded away. Alternatively, if the magma is expelled through volcanic eruptions, it can form volcanic deposits such as lava flows and pyroclastic materials.