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They usually reach Earth's surface when they are entrained (carried along with) within molten material from depth that is erupted onto the earth's surface.

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Why are xenoliths mafic minerals?

Xenoliths are often mafic minerals because they originate from the Earth's mantle, which is composed of mafic rocks such as basalt and gabbro. These minerals are more likely to survive the extreme conditions of volcanic eruptions, which is how xenoliths are transported to the Earth's surface. Additionally, mafic minerals have higher melting points compared to felsic minerals, making them more resistant to being melted and destroyed during volcanic processes.


Is it true that only three or four meteorites reach earths surface each year?

No it is not true. Many, many meteorites reach the earth's surface.


What does the ozone hole allow to reach Earth's surface?

The ozone hole allows some radiations to reach the earth's surface. These radiations are high energy UV radiations.


What are the 3 different ways ground water reach the surface?

Groundwater can reach the surface through springs, where water flows naturally to the surface due to pressure or through seepage. It can also reach the surface through artesian wells, where pressure in an underground aquifer forces water to rise above the level of the aquifer. Lastly, groundwater can reach the surface through human-made structures like wells and boreholes.


What is the name of shooting stars that reach earth's surface?

Shooting stars that reach the Earth's surface are called meteorites. These are fragments of asteroids or other celestial bodies that survive the journey through Earth's atmosphere and land on the surface.

Related Questions

How do xenoliths and xenocrysts help scientists understand the Earth?

Xenoliths are rock fragments from the Earth's mantle that are brought to the surface during volcanic eruptions, providing direct samples of Earth's interior. Xenocrysts are older minerals found in younger volcanic rocks, offering insights into the history of the magma before the eruption. By studying the composition and structure of xenoliths and xenocrysts, scientists can gain knowledge about the Earth's mantle, crust, and magma processes.


What are xenoliths?

Xenoliths are pieces of rock that become incorporated into a larger rock during its formation. They are typically of a different composition and origin than the surrounding rock, providing clues about the processes happening beneath the Earth's surface. Xenoliths are often brought to the surface through volcanic eruptions.


What are lumps that have compositions different from the main body of rock called?

Those are typically referred to as xenoliths. Xenoliths are rock fragments that have different mineralogy and composition compared to the surrounding rock which they are found in. They are often brought to the surface during volcanic eruptions.


Why are xenoliths mafic minerals?

Xenoliths are often mafic minerals because they originate from the Earth's mantle, which is composed of mafic rocks such as basalt and gabbro. These minerals are more likely to survive the extreme conditions of volcanic eruptions, which is how xenoliths are transported to the Earth's surface. Additionally, mafic minerals have higher melting points compared to felsic minerals, making them more resistant to being melted and destroyed during volcanic processes.


What types of rock fragments are in volcanos?

Xenoliths.


What is the windows to the earth's interior?

Mantle-derived xenoliths.


Why do meteorites reach the surface of the Moon then the surface of the Earth?

More reach the surface of the moon because there is no atmosphere to heat and burn them up.


Fragments of unmelted rocks that are sometimes incorporated in magma are known as?

xenoliths


What is dalmatian rock?

There is an igneous rock called Orbicular Rhyolite which is formed when lava flows onto the earths surface. It gets the nick name "Dalmatian Rock" from the spots, or orbs on its surface. The orbs form when molten lava reacts with fragments of xenoliths. The main components of Rhyolite are Feldspar and Quartz.


Which wave type is formed when the wave reach the earths surface?

L waves are formed when P&S waves reach the surface.


Is it true that only three or four meteorites reach earths surface each year?

No it is not true. Many, many meteorites reach the earth's surface.


What can mercury surface be compared with?

Mercuries surface has many craters on it and its surface temp can reach 590k!!