Rocks And Earthquakes Flashcards

0
Q

P wave

A

The first wave of an earthquake that travels undeground

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1
Q

Richter Scale

A

A device that they use to measure the power and strength of an earthquake

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2
Q

S wave

A

The second wave that travels much slower than the p wave and travels on the surface

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3
Q

Divergent, covergent, transform

A

Moving away, moving toward, sliding against each other

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4
Q

Viscosity

A

Resistance to flow

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5
Q

Mafic

A

Low levels of silica and dark colored

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6
Q

Felsic

A

High in silica and light colored

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7
Q

What is an ore?

A

A mineral that is mined for a profit

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8
Q

Extrusive

A

Forms outside the earth and form small crystals

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9
Q

Intrusive

A

Forms inside the earth and makes large crystals

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10
Q

Pangea

A

The supercontinent that existed millions of years ago

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11
Q

Who’s theory?

A

Alfred Wegener

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12
Q

Magma, lava

A

Mixture of molten rock, magma is underground, lava is above ground

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13
Q

Reclamation

A

Reclaiming the land that was destroyed after it has been mined

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14
Q

Mid ocean ridge

A

The trench in the atlantic where new crust is formed

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