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Plate Tectonics > Intrusive volcanic activity > Flashcards

Intrusive volcanic activity Flashcards

1
Q

Batholith description

A

Domed shaped mass of igneous rock with large crystals

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2
Q

Batholith formation

A

Large chamber of magma pushing aside surrounding rock before it reaches the surface

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3
Q

Dykes description

A

Vertical intrusions with horizontal cooling cracks cutting across the bedding plane

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4
Q

Dykes formation

A

Formed by magma pushes into fractures and cools

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5
Q

Sills description

A

Horizontal intrusions with vertical cooling cracks

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6
Q

Sills formation

A

Formed when magma cools between layers of sedimentary rocks

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Plate Tectonics (15 decks)

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