Will gold eventually be depleted from Earth?
by 
Jenny's Gone On Vacation
ANSWERS: 3
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It's possible. But it's also possible there will be a huge earthquake somewhere and an entirely new vein could be discovered. Or one can be discovered under the ocean. There's a lot of area still on earth we know very little about.
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Well: consider. The Earth's crust is (on average) 10 miles thick (25 miles thick on the continents). Meanwhile: our deepest mine (not coincidentally a gold mine) is about 2-1/2 miles deep. * Now imagine us looking for gold not just where it appears on the surface, and digging down 2-1/2 miles in that spot...but digging down 25 miles everywhere on the continents. * It seems likely that there is millions of times more gold in the earth's crust than has been mined so far in all of history. * And yes: we can expect that it will eventually run out. But there's also more gold in the ocean that has been mined in all of history. By the time we've mined the entire Earth's crust, we'll probably have such cheap energy that extracting gold (and other valuable minerals) from the ocean will be a profitable venture. * And after that there's asteroids, or perhaps even the Earth's mantle, assuming our technology attains such capabilities to make such mining profitable. * In any case: we shouldn't expect to run short of mine-able gold in our lifetimes, or our childrens', or our grandchildrens'.
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not in your life time eventually every resourse on earth will be depleted but the resources to mine will probably be the liimit ,given 75% of all the gold we have ever mined does nothing but sit around in vaults why bother I wonder? Is it true of all the gold man has ever mined from the earth so far wouldn't fill an olmpic swimming pool?
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