Rocks Flashcards

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1
Q

What is granite?

A

Granite is a hard multi-coloured rock. It contains pink or grey feldspar and crystals of mica or quatrtz.

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2
Q

How is granite formed?

A

Granite is formed when magma cooled deep within the earths crust. The magma cooled so slowly that large crystals had time to form.

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3
Q

Where is granite found?

A

Granite is found in the Wicklow and Mourne mountains.

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4
Q

How is limestone formed?

A

Limestone is formed when dead plants and sea fossils are compressed together.

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5
Q

How is sandstone formed?

A

Sandstone is formed when sand is compressed together.

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6
Q

What are metamorphic rocks?

A

Metaphoric rocks are rocks that are changed due to heat or pressure. Marble and quartzite or an examples of Metaphoric rocks.

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7
Q

What does the word Metamorphic mean?

A

The word Metamorphic means change.

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8
Q

What are grikes?

A

Grikes were once narrow vertical joints which were widened by rainwater.

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9
Q

What are Clints?

A

Clients are the blocks of limestone that were created by grikes.

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10
Q

What is a Swallow hole?

A

Swallow hole is Grikes that will have to be widened to chemical activity into a vertical whole called a Swallow hole.

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11
Q

What are passages?

A

Passages are large tunnels form by underground water dissolving the limestone.

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12
Q

Are stalactites on the top or on the bottom?

A

Ans:top👆

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13
Q

Are stalagmites on the top on the bottom?

A

Ans:bottom👇

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