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The Earth is about 4.54 billion years old, and geology helps us uncover that history.
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Mount Everest grows about 4 mm taller each year due to tectonic activity.
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The Grand Canyon reveals nearly 2 billion years of Earth's history in its rock layers.
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Diamonds form deep in the mantle under extreme pressure, then rise via volcanic pipes.
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The Sahara's "Eye of Africa" (Richat Structure) is a 40 km wide geological wonder visible from space.
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Earthquakes can trigger other faults hundreds of miles away through dynamic stress transfer.