China has published a map detailing seabed chemical elements in its eastern waters. The report follows ongoing global interest, highlighted by Japan's efforts to utilize deep-sea rare earth resources and minerals.

China has issued its first map pinpointing seabed chemical elements in the country’s eastern waters as Japan also races to tap undersea rare earth resources and deep-sea minerals. The Chinese Ministry of Natural Resources published the results of marine geological surveys over the past two decades for the seas, state broadcaster CCTV reported on Tuesday. The result was an atlas charting the location, concentration and distribution patterns of dozens of elements in seabed sediments, including...