Rocks I (Junior Cert Geography): Flashcards
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Practise the cards
15 cards from this deck
Three main types of rocks
Three main types of rocks
Igneous, sedimentary, metamorphic
First type of rocks formed on Earth
First type of rocks formed on Earth
Igneous rocks
How igneous rocks form
How igneous rocks form
From cooled magma or lava
What sediments are
What sediments are
Small pieces from weathering & erosion of rocks
How sediments are transported
How sediments are transported
By rivers, ice, and wind
How metamorphic rocks form
How metamorphic rocks form
Intense heat & pressure on existing rocks
Time scale of rock cycle changes
Time scale of rock cycle changes
Millions of years
How granite forms
How granite forms
Magma cools slowly beneath Earth's crust
Where granite is found in Ireland
Where granite is found in Ireland
Wicklow Mountains
How basalt forms
How basalt forms
Lava cools quickly on Earth's surface
Where basalt is found in Ireland
Where basalt is found in Ireland
Giant's Causeway, Co. Antrim
How limestone forms
How limestone forms
Compressed remains of sea creatures
Where limestone is found in Ireland
Where limestone is found in Ireland
The Burren, Co. Clare
How marble forms
How marble forms
Limestone heated & compressed
Where marble is found in Ireland
Where marble is found in Ireland
Connemara