Core Insights - The "Marine Geological No. 6" research vessel successfully completed its 15th deep-sea geological survey mission, returning to Guangzhou with multiple significant findings [1][3] - The mission lasted 95 days, covering a total distance of 12,673 nautical miles, focusing on deep-sea environmental surveys and the application of key detection technologies and equipment [1] Group 1: Research Achievements - The vessel conducted a sea trial for the seabed electromagnetic collection station, achieving a maximum deployment depth of 7,663 meters and obtaining high-quality electromagnetic observation data [1] - A batch of marine environmental data and samples, including deep seawater, seabed sediments, polymetallic nodules, and marine organisms, was collected to support deep-sea geological research and marine environmental management [1][3] - The research team discovered a polymetallic nodule resource-rich area during the seabed mineral geological survey [3] Group 2: Technological Innovations - The mission marked the first joint high-precision test operation of a 6,000-meter deep-sea remotely operated vehicle and an autonomous underwater robot in the Pacific deep-water area [1] - The introduction of soilless cultivation technology, combined with existing soil-based cultivation methods, successfully provided fresh vegetables throughout the voyage, improving living conditions for long-duration oceanic research missions [3] Group 3: Future Plans - The "Marine Geological No. 6" vessel is scheduled to return to the Pacific in the first half of 2026 to conduct further basic geological and environmental geological scientific investigations [3]