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Madaline Vandervort

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Cards in this guide (13)
Magnetic striping is evidence of

pole reversals seafloor spreading

Subduction occurs when

Where the crust is destroyed

What force is present at a transform boundary

Shearing

What causes the pressure that allows diamonds to form in the mantle

The weight of the rocks in the crust and upper mantle results in the pressure that allows diamonds to form.

Which type of fault is under tension

Normal Thrust

How is the orientation of Earth's magnetism recorded in rocks on the ocean floor

Earth's magnetic orientation is locked into the rock when the rock cools

Which best describes earths north magnetic pole

Wondering slowly with no pattern

Why can diamonds form in the mantle

The weight of the rocks above the mantle results in high pressure.
Diamonds need high temperatures and pressure to form from carbon. Diamonds form in the mantle in certain zones where conditions are right for them to do so.

There just happens to be the right critical temperature-pressure-mineral environment in the mantle in certain zones for their formation.

About how often do earths magnetic poles reverse

every 250,000 years :)

Which of earths mechanical layers is most easily deformed

Asthenosphere

What is true about compasses

compass magnets can be deflected by earths magnetic field or other permanent magnets

The convention that causes earths magnetic field happens in earths

Core

Which of the following is true of permanent magnets

magnetic stuff...

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