获取多项成果！“海洋地质六号”科考在深海探测关键技术等领域取得新进展

Core Insights - The "Marine Geological No. 6" research vessel has successfully completed its 15th voyage, marking significant advancements in deep-sea geological research and data collection [1][3][21] Group 1: Mission Overview - The 15th voyage's second phase began on August 29, 2025, lasting 95 days and covering a total distance of 12,673 nautical miles [1] - The mission collected valuable data and samples, including deep-sea environmental data, seawater samples, seabed sediments, polymetallic nodules, and deep-sea biological samples [1][3] Group 2: Technological Advancements - The team utilized a self-developed 6000-meter deep-sea remotely operated vehicle and domestically produced underwater robots for high-precision tests and operations in deep-water areas [3][21] - The mission achieved new progress in deep-sea detection technologies and equipment applications [1][3] Group 3: Geological Discoveries - A new resource-rich area of polymetallic nodules was discovered, expanding the potential for seabed metal resources [3][12] - The polymetallic nodules, primarily found at depths of 4,000 to 6,500 meters, are significant for their high resource potential and are crucial for China's resource security [10][12] Group 4: Future Research Directions - Scientists will conduct further testing and analysis of geological samples to study the area's structural evolution, providing essential data for global ocean scientific drilling site selection [5][24] - The "Marine Geological No. 6" vessel is scheduled to return to the Pacific in the first half of 2026 for more in-depth geological and environmental investigations [7] Group 5: Electromagnetic Measurements - The mission completed the first electromagnetic profile measurement of the Pacific abyss, obtaining high-quality electromagnetic observation data [17][22] - This data will assist in future ocean drilling site selection and enhance understanding of deep Earth structure and evolution [19][22]