All the gold, silver, and diamonds you’ve ever seen? They came from the crust. But here’s the wild part: most of Earth’s gold is actually in the mantle and core. There’s enough gold in the core to coat the entire planet in a 1.5-foot layer. But we can’t dig there. So the crust is like the gift shop at the museum of Earth—cute, but the real stuff is locked up.
10 Interesting the Crust Facts | My Interesting Facts
Also, the crust contains about 47% oxygen by weight. So when you take a breath, you’re literally breathing a piece of the crust. Congratulations—you are now a geological life-form.