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Such mountains are called volcanoes.

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Mountains formed by magma that reaches the Earths surface are?

Mountains formed by magma that reaches the Earth's surface are called volcanoes.


How are rocks formed in a volcanic eruption?

They are formed when the erupted magma or lava, cool and sollidifies below or above the earths surface respectively.


What type of mountains is the only one that is formed by adding new material to the earths surface?

Volcano


What are mountains formed by magma that reach the Earth's surface?

Mountains formed by magma that reach the Earth's surface are called volcanoes. These volcanic mountains are created through the eruption of lava, ash, and gases from the Earth's mantle and crust. Over time, repeated eruptions build up the volcano, forming a distinct peak.


How was the earth's surface built up as result of the eruption of mount st helens?

the two of earths plat collided and formed upwards and made a volcano!


Is volcano eruption one way mountains can be formed?

yes


How do intrusiver rocks form?

intrusive rocks are formed within the earths surface from magma. extrusive rocks are formed from lava outside of earths surface


Describe how volcanic mountains are formed.?

Volcanic mountains are formed when magma rises towards the Earth's surface through a weak spot in the Earth's crust, causing a volcanic eruption. Over time, repeated eruptions build up layers of solidified lava and volcanic ash, creating a mountain. The shape and size of the mountain depend on the type of eruption and the characteristics of the magma.


How has the earths surface changed since the beginning of earths time?

The Earth's surface has changed significantly over time due to processes such as plate tectonics, erosion, and volcanic activity. Continents have shifted positions, mountains have formed and eroded, and oceans have expanded and contracted. These changes have been ongoing for billions of years and continue to shape the Earth's surface today.


Are Mountains that begin when molten materials reaches the earths surface through a weak area crust is called a fault blocked mountains?

No, mountains that are formed when molten materials reach the earth's surface through a weak area in the crust are typically referred to as volcanic mountains. Fault-block mountains, on the other hand, are formed by the movement of tectonic plates along faults, resulting in blocks of crust being uplifted or dropped down.


What igneous rocks formed or on or near earths surface?

Volcanoes.


How are convective currents formed?

From the uneven heating of the earths surface