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The geophysical challenge: Why digging right through Earth’s layers remains an impossible dream
That’s the antipode, or opposite point on Earth’s surface, from my town. But I only had a garden spade to move the earth. When I hit rock less than 1m below the surface, I couldn’t go deeper. These ...
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The biggest-ever sample of core material from Earth's mantle could have valuable clues into the origins of life
On top is the relatively thin crust where we live. Beneath that is the 2,900 km thick mantle layer ... life on Earth may have evolved. The core we drilled as part of the IODP project is the ...
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Plate tectonics
The Earth is made of different layers: the core, mantle and crust. Plate tectonic theory shows that the crust of the Earth is split into plates (pieces of the Earth’s crust). The movement of ...
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Structure of the Earth
The Earth has a layered structure made up of the core, the mantle and the crust. Different elements are present in different parts of the Earth’s structure. The crust is made from enormous ...