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They are underground chambers that fill with hot magma (lava), from which the pressurized material can be forced upward (through a volcano or vent) to the surface. Until it does, it may actually lift the ground above as more magma enters the pocket. This process has caused some areas of Yellowstone Park (Wyoming) to rise by nearly a foot since 2004.
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What is one cause of volcanic activity and igneous rock formation?
Igneous rocks are called fire rocks and are formed either underground or above ground. Underground, they are formed when the melted rock, called magma, deep within the earth becomes trapped in small pockets. As these pockets of magma cool slowly underground, the magma becomes igneous rocks. Igneous rocks are also formed when volcanoes erupt, causing the magma to rise above the earth's surface. When magma appears above the earth, it is called lava. Igneous rocks are formed as the lava cools above ground.
Rocks with large mineral grains are formed from what?
Rocks with large mineral grains are usually formed from slow cooling of magma beneath the Earth's surface. When magma cools slowly, crystals have more time to grow, resulting in larger grains in the final rock. This slow cooling process allows minerals to crystallize and accumulate, forming rocks like granite.
What list places the magma What list places the magma types in order of decreasing?
basaltic,andesitic,rhyolitic
How is the formation of igneous rock different from that of metamorphic rock?
okIgneous rocks are called fire rocks and are formed either underground or above ground. Underground, they are formed when the melted rock, called magma, deep within the earth becomes trapped in small pockets. As these pockets of magma cool slowly underground, the magma becomes igneous rocks.Igneous rocks are also formed when volcanoes erupt, causing the magma to rise above the earth's surface. When magma appears above the earth, it is called lava. Igneous rocks are formed as the lava cools above ground.Metamorphic rocks are rocks that have "morphed" into another kind of rock. These rocks were once igneous or sedimentary rocks. How do sedimentary and igneous rocks change? The rocks are under tons and tons of pressure, which fosters heat build up, and this causes them to change. If you exam metamorphic rock samples closely, you'll discover how flattened some of the grains in the rock are.
When molten rock is below ground is called?
Magma
Where does in intrusive igneous rock form?
formed when molten rocks called magma becomes trapped in small pockets . As these pockets of magma cools slowly underground, the magma becomes igneous rocks
Is Magma pockets the violent volcanic eruption?
yes
Why is granite instrusive?
an granit rock formed when magma remains in pockets below the surface
What do you notice about the distribution of volcaneos?
They tend to occur over pockets of magma and along the edges of tectonic plates
When is igneous rock formed?
Igneous rocks are called fire rocks and are formed either underground or above ground. Underground, they are formed when the melted rock, called magma, deep within the earth becomes trapped in small pockets. As these pockets of magma cool slowly underground, the magma becomes igneous rocks.Igneous rocks are also formed when volcanoes erupt, causing the magma to rise above the earth's surface. When magma appears above the earth, it is called lava. Igneous rocks are formed as the lava cools above ground.
Why do extrusive igneous rock have air pockets and intrusive igneous rocks don't?
they have air pockets becuase they form so quickley' that air pockets get trappped inside of them' while intrusive rocks take time to form & no air pockets are able to get into them- learned it straight from science class ;)
What happens if the magma has the same density as the rock around it?
If the magma has the same density as the rock around it, it will likely stay in place without rising or sinking. This can lead to the formation of magma chambers or magma pockets within the surrounding rock, potentially resulting in volcanic activity if pressure builds up.
What is inside a magma chamber?
A magma chamber is a reservoir beneath the Earth's surface where molten rock (magma) accumulates. It consists of magma, which is a mixture of molten rock, crystals, gases, and other materials, all under high pressure. Magma chambers are associated with volcanic systems and can range in size from small pockets to massive reservoirs.
Where is the igneous rock form?
Igneous rocks are called fire rocks and are formed either underground or above ground. Underground, they are formed when the melted rock, called magma, deep within the earth becomes trapped in small pockets. As these pockets of magma cool slowly underground, the magma becomes igneous rocks. Igneous rocks are also formed when volcanoes erupt, causing the magma to rise above the earth's surface. When magma appears above the earth, it is called lava. Igneous rocks are formed as the lava cools above ground
What do ígneous rocks form from?
Igneous rocks [fire rocks] are formed either underground or above ground. Underground they are formed when the melted rock [called magma] deep within the earth becomes trapped in small pockets, and as these pockets of magma cool slowly underground the magma becomes igneous rocks. Igneous rocks are also formed when volcanoes erupt causing the magma to rise above the earth's surface. When magma appears above the earth, it is called lava. Igneous rocks are formed as the lava cools above ground. Examples of igneous rocks are granite, scoria, pumice, obsidian and basalt.
What do igneous rock form?
Igneous rocks [fire rocks] are formed either underground or above ground. Underground they are formed when the melted rock [called magma] deep within the earth becomes trapped in small pockets, and as these pockets of magma cool slowly underground the magma becomes igneous rocks. Igneous rocks are also formed when volcanoes erupt causing the magma to rise above the earth's surface. When magma appears above the earth, it is called lava. Igneous rocks are formed as the lava cools above ground. Examples of igneous rocks are granite, scoria, pumice, obsidian and basalt.
Why are igneous rock formed?
They can be formed underground or above ground. Underground, they are formed when melted rock, called magma, deep under the earth's surface is trapped in small pockets. As these pockets of magma cool slowly underground, the magma develops into igneous rocks. Igneous rocks are also formed when volcanoes erupt, causing the magma to rise above the earth's crust. When magma appears above the earth, it is called lava. Igneous rocks are formed as the lava cools above ground.
