Scientists drill ultra-deep hole for REE treasure - Asia
2 天前 · Scientists drill ultra-deep hole for REE treasure. Researchers have drilled a hole 26,322 feet below the ocean’s surface, a world record. The RV Kaimei had to lay out a length of cable for the corer that was twice the height of Mt Fuji to attain the record drill depth. Credit: JAMSTEC.
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