Podcast
Questions and Answers
What are the common colours of Granite?
What are the common colours of Granite?
- Black, grey, pink, and cream (correct)
- Silver, gold, bronze, and copper
- Blue, white, orange, and brown
- Red, yellow, green, and purple
How is Granite formed?
How is Granite formed?
- From the transformation of existing rocks under heat and pressure
- From the weathering and erosion of existing rocks
- From the deposition and compaction of sediments
- From the cooling and hardening of molten magma below the surface (correct)
What are the three minerals that are commonly found in Granite?
What are the three minerals that are commonly found in Granite?
Quartz, feldspar, and mica
Granite is often used in countertops because of its strength and durability.
Granite is often used in countertops because of its strength and durability.
Where in Ireland can you find Granite?
Where in Ireland can you find Granite?
What is a typical formation of Marble?
What is a typical formation of Marble?
Why is Marble often used in monuments and buildings?
Why is Marble often used in monuments and buildings?
What is Quartzite formed from?
What is Quartzite formed from?
What is a notable characteristic of Quartzite?
What is a notable characteristic of Quartzite?
What are some common uses of Quartzite?
What are some common uses of Quartzite?
How is Sandstone formed?
How is Sandstone formed?
What are some common uses of Sandstone?
What are some common uses of Sandstone?
Where in Ireland can you find Sandstone?
Where in Ireland can you find Sandstone?
Limestone is formed entirely from the remains of sea creatures.
Limestone is formed entirely from the remains of sea creatures.
What is a key characteristic of Limestone?
What is a key characteristic of Limestone?
What are some of the uses of Limestone?
What are some of the uses of Limestone?
Where in Ireland is a prominent Limestone landscape found?
Where in Ireland is a prominent Limestone landscape found?
How is Basalt formed?
How is Basalt formed?
What is a notable characteristic of Basalt?
What is a notable characteristic of Basalt?
What are common uses of Basalt?
What are common uses of Basalt?
Where in Ireland is a famous Basalt formation found?
Where in Ireland is a famous Basalt formation found?
Flashcards
Granite
Granite
An intrusive rock formed from slow-cooled magma with large crystals.
Intrusive Rock
Intrusive Rock
Type of rock formed from magma that cools slowly beneath the Earth's surface.
Coarse-grained
Coarse-grained
Rock texture with large, visible crystals.
Marble
Marble
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Metamorphic Rock
Metamorphic Rock
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Quartzite
Quartzite
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Extrusive Rock
Extrusive Rock
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Sandstone
Sandstone
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Limestone
Limestone
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Permeable
Permeable
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Soluble
Soluble
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Basalt
Basalt
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Medium-grained
Medium-grained
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Uses of Granite
Uses of Granite
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Uses of Marble
Uses of Marble
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Uses of Quartzite
Uses of Quartzite
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Uses of Sandstone
Uses of Sandstone
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Uses of Limestone
Uses of Limestone
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Giant's Causeway
Giant's Causeway
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Mourne Mountains
Mourne Mountains
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Croagh Patrick
Croagh Patrick
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Co. Antrim Marble
Co. Antrim Marble
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Co. Kerry Sandstone
Co. Kerry Sandstone
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Co. Cork Marble
Co. Cork Marble
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Great Sugarloaf
Great Sugarloaf
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Co. Kilkenny Marble
Co. Kilkenny Marble
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The Burren
The Burren
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Galtee Mountains
Galtee Mountains
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Study Notes
Granite
- Colour: Range of colours, including black, grey, pink, and cream
- Texture: Coarse grained
- Formation: Intrusive rock formed when molten magma pushes into the Earth's crust and cools slowly. This slow cooling creates large crystals of minerals like quartz, feldspar, and mica.
- Use: Used in everyday products like countertops due to hardness and durability.
- Example: Found in the Mourne Mountains of Ireland
Marble
- Colour: White, red, green, or black
- Texture: Smooth
- Formation: Formed when limestone is subjected to intense heat and pressure, or when molten magma contacts limestone.
- Use: Used for monuments, floor tiles, fireplaces, and ornaments due to its beautiful appearance after polishing
- Examples: Found in Co. Antrim (white), Co. Cork (red), Connemara (green), Co. Galway, and Co. Kilkenny (black).
Quartzite
- Colour: White or grey
- Texture: Granular (grainy)
- Formation: Formed when sandstone is subjected to intense heat and pressure, or when molten magma contacts sandstone. The resulting rock is very hard and durable.
- Use: Used in counter tops, road chippings, and glass-making.
- Examples: Found in Croagh Patrick (Co. Mayo) and the Great Sugarloaf (Co. Wicklow)
Sandstone
- Colour: Reddish/brown
- Texture: Coarse grained
- Formation: Formed from sand that has been worn away, transported, and deposited in layers, which are then compressed and cemented together.
- Use: Commonly used for building materials and patios
- Examples: Found in MacGillycuddy's Reeks (Co. Kerry) and the Galtee Mountains (Ireland)
Limestone
- Colour: Grey
- Texture: Coarse grained
- Formation: Formed from compressed and cemented layers of sea sediment, primarily the shells and skeletons of marine creatures.
- Use: Used for monuments, construction, and to improve soil fertility (as lime). It is also soluble (dissolves in water). Permeable (water can pass through it).
- Example: Abundant in the Burren region of Ireland.
Basalt
- Colour: Grey/black
- Texture: Medium grained
- Formation: Extrusive rock formed when lava cools and hardens rapidly on the Earth's surface. This rapid cooling creates few, visible crystals.
- Use: Used for road chippings due to its hardness.
- Example: Found in the Antrim-Derry Plateau, including the Giant's Causeway (Ireland) famous for its hexagonal columns.
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