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The Mourne Mountains were formed 65 million years ago. They are made of granite which is an igneous rock. Granite is a hard wearing rock which is found at the base or bottom of the earth's crust. It cools, solidifies and then becomes granite.

There are 12 peaks over 2000 feet high, including Northern Ireland's highest mountain, Slieve Donard. The Mournes are unusual in that their summits are grouped together in a compact area only 7 miles in breadth

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11y ago
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9y ago

They are in county Down, in Northern Ireland.

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12y ago

Same as any other mountains GLACIERS!

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Q: How were the mourne mountains in Ireland formed?
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Related questions

What is the most famous mountain in Ireland?

The most famous mountains in Ireland is the mountains of Mourne. These mountains are in northern Ireland. The Mourne Mountains are the most visited.


What mountains are in Co Down Ireland?

The famous mountains in county Down are the Mountains of Mourne or Mourne Mountains as they are also known.


What mountains are in Northern Ireland?

Mourne mountain range..


Where is the Mourne Mountains?

They are in county Down, in Northern Ireland.


Does Ireland have moors?

Yes, Ireland has areas of moorland, such as the Sperrins and the land around the Mourne mountains.


What rocks are on the Mourne mountains Co Down N Ireland?

Shale, slate and granite.


When was The Mountains of Mourne created?

The Mountains of Mourne was created in 1896.


What is the highest mountain in Northern Ireland made from?

Slieve Donard, like other mountains in the Mourne Mountains, is a granite mountain.


A highland area of northen England?

There are three main mountain ranges in Northern Ireland they are;Mourne Mountains in Country Down which are the biggest by far.Sperrins in County Tyrone,Glens of Antrim in County Antrim.the biggest mountain in Northern Ireland is SlieveDonard, which is part of the Mourne Mountains.


When did Mourne - Northern Ireland Parliament constituency - end?

Mourne - Northern Ireland Parliament constituency - ended in 1973.


When was Mourne - Northern Ireland Parliament constituency - created?

Mourne - Northern Ireland Parliament constituency - was created in 1929.


What is the main mountin range in Ireland called?

The mountain range with the highest mountains is the Macgillycuddy's Reeks in county Kerry. There are some other important mountain ranges in Ireland too, like the Wicklow Mountains and the Mourne Mountains.