I don't trust mantle/core geologists because I suspect that, if they ever get a chance to peel away the Earth's crust, they'll do it in a heartbeat.

"Rock Wall", by Randall Munroe, licensed under Creative Commons Attribution-NonCommercial 2.5 License

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I don't trust mantle/core geologists because I suspect that, if they ever get a chance to peel away the Earth's crust, they'll do it in a heartbeat.