The most central part of the Earth’s interior would require drilling approximately which is 6,370 kilometers (20,898,950 ft)
The deepest drilling ever conducted in world history is only 12 kilometers (39370,1 ft)
Why is so hard and and is the effort worth it? Or we only will find more rocks ?
In: 25
One of the first challenges is that once you get to a certain depth, the heat and pressure begin to affect how the rock behaves. Suddenly it’s less solid and has a texture more like a chewy caramel or a thick dough. This means that our typical methods of drilling stop working as we can’t cut it or otherwise remove it from our path. All the rock does is bend and twist around our drill. More importantly that same heat and pressure starts to weaken any metal drills we have in the hole. And that’s only the middle part of Earth’s outer crust. Once we reach the mantle, the gooey inner part of the planet, the heat and pressure are so immense that not many materials we possess could survive. Much less anything we would be able to form a useful drill with.
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