Core Insights - The "Marine Geological No. 6" research vessel successfully returned from a 95-day expedition in the Pacific, uncovering significant scientific findings, including polymetallic nodules that have been dormant for 30 million years [1][3]. Group 1: Research Achievements - The expedition utilized a combination of self-developed deep-sea remotely operated vehicles and autonomous underwater robots for high-precision sampling and data collection, marking a significant advancement in deep-sea exploration technology [3][4]. - The polymetallic nodules discovered are rich in metals such as cobalt, nickel, copper, and manganese, which are crucial for enhancing mineral resource security. These nodules grow extremely slowly, taking millions of years to form, and provide insights into historical oceanic environmental changes [4][5]. - The research team conducted the deepest electromagnetic profile measurement in China, reaching depths of 7,663 meters, which allowed them to analyze the Earth's internal structure and dynamics, revealing a critical "cold-hot" interface approximately 50 kilometers below the seabed [5][6]. Group 2: Biological and Geological Insights - The expedition also focused on deep-sea biological resources, discovering unique microorganisms and deep-sea corals that have significant implications for understanding life's origins and climate evolution. These organisms may have applications in biomedicine and other industries [8][9]. - The data collected will support future ocean drilling projects, with plans for advanced drilling operations in the South China Sea, aiming to further explore the mysteries of the deep ocean and its impact on global climate and geological processes [9].

Core Insights - The "Marine Geological No. 6" research vessel successfully returned from a 95-day expedition in the Pacific, uncovering significant scientific findings, including polymetallic nodules that have been dormant for 30 million years [1][3]. Group 1: Research Achievements - The expedition utilized a combination of self-developed deep-sea remotely operated vehicles and autonomous underwater robots for high-precision sampling and data collection, marking a significant advancement in deep-sea exploration technology [3][4]. - The polymetallic nodules discovered are rich in metals such as cobalt, nickel, copper, and manganese, which are crucial for enhancing mineral resource security. These nodules grow extremely slowly, taking millions of years to form, and provide insights into historical oceanic environmental changes [4][5]. - The research team conducted a deep-sea electromagnetic profile measurement, achieving a record depth of 7,663 meters, which allowed for a detailed understanding of the Earth's internal structure and dynamics [5][7]. Group 2: Implications for Future Research - The findings from the expedition will support future ocean drilling projects, with plans for the advanced "Dream" drilling vessel to conduct exploratory drilling in the South China Sea [8][9]. - The research also highlights the potential of deep-sea biological resources, such as unique enzymes and compounds from deep-sea organisms, which could have applications in medicine and biotechnology [8]. - The ongoing exploration aims to address fundamental questions about life origins, climate evolution, and the role of the ocean in global material cycles, indicating a continuous commitment to deep-sea research [9].

Core Insights - The "Marine Geological No. 6" research vessel has successfully completed a 95-day expedition in the Pacific Ocean, covering 12,673 nautical miles, and has returned with significant scientific findings, including polymetallic nodules that have been resting on the seabed for 30 million years [8][9][10] - The expedition utilized advanced technology, including a self-developed deep-sea remotely operated vehicle and an autonomous underwater robot, to conduct high-precision sampling and video recording at depths of up to 4,900 meters [9][10] - The research has implications for understanding deep-sea environmental changes over millions of years and offers insights into global climate change [10][12] Research Achievements - The expedition collected polymetallic nodules, which are rich in metals such as cobalt, nickel, copper, and manganese, and are considered important for enhancing mineral resource security [10][11] - A significant achievement was the electromagnetic profile measurement at a depth of 7,663 meters, setting a record for the deepest measurement in China, which provides insights into the Earth's internal structure and plate tectonics [11][12] - The research team successfully identified a "cold-hot confrontation" zone approximately 50 kilometers below the seabed, revealing critical information about the geological layers beneath the ocean floor [11][12] Biological Discoveries - The expedition also focused on deep-sea biological resources, discovering unique microorganisms and deep-sea corals that have potential applications in biomedicine and food processing [12][13] - The deep-sea corals serve as indicators of ancient marine climates, while deep-sea sponges may contain compounds that could lead to breakthroughs in disease treatment [12][13] - The data collected will support future ocean drilling projects aimed at uncovering answers related to the origins of life and climate evolution [13]

Core Viewpoint - The "Ocean Geological No. 6" research vessel has successfully completed its 15th deep-sea geological survey mission, with multiple scientific achievements officially released [1]. Group 1: Mission Overview - The 15th mission's second phase began on August 29 this year, lasting 95 days and covering a total distance of 12,673 nautical miles [3]. - The mission collected valuable data and samples, including deep-sea marine environmental data, seawater samples, seabed sediments, polymetallic nodules, and deep-sea biological samples [3]. Group 2: Technological Advancements - The mission marked the first use of domestically developed 6,000-meter deep-sea remotely operated vehicles and autonomous underwater robots in the Pacific deep-water area, achieving excellent application results [5]. - A significant achievement was the first electromagnetic profile measurement in the Pacific abyss, which provides high-quality electromagnetic observation data for future ocean drilling site selection [8]. Group 3: Future Plans - The "Ocean Geological No. 6" research vessel is scheduled to return to the Pacific in the first half of 2026 for more in-depth basic geological and environmental geological scientific investigations [7].

Core Insights - The "Marine Geological No. 6" research vessel has successfully completed the second phase of its 15th voyage, with multiple scientific achievements announced on December 10 [1] Group 1: Mission Overview - The second phase of the 15th voyage began on August 29 and lasted for 95 days, covering a total distance of 12,673 nautical miles [3] - The mission collected valuable data and samples, including deep-sea marine environment data, seawater samples, seabed sediments, polymetallic nodules, and deep-sea biological samples [3] Group 2: Technological Advancements - The mission marked the first use of domestically developed 6,000-meter deep-sea remotely operated vehicles and autonomous underwater robots in the Pacific deep-water area, achieving excellent application results [5] - Significant progress was made in the application of key technologies and equipment for deep-sea exploration [3] Group 3: Resource Discovery - A new resource-rich area of polymetallic nodules was discovered during the seabed mineral geological survey, expanding the resource space for seabed metal minerals [5] - Polymetallic nodules are primarily found at depths of 4,000 to 6,500 meters in deep-sea basins, with diameters ranging from 3 to 10 centimeters, composed mainly of iron-manganese oxides and hydroxides, and rich in key metal elements such as cobalt, nickel, copper, and manganese [7] Group 4: Future Plans - The "Marine Geological No. 6" research vessel is scheduled to return to the Pacific in the first half of 2026 for more in-depth basic geological and environmental geological scientific investigations [7]

Core Insights - The "Marine Geological Six" research vessel has successfully completed the second phase of its 15th voyage, with multiple scientific results officially released on December 10 [1] Group 1: Mission Overview - The second phase of the 15th voyage began on August 29 and lasted for 95 days, covering a total distance of 12,673 nautical miles [2] - The mission collected valuable data and samples, including deep-sea marine environment data, seawater samples, seabed sediments, polymetallic nodules, and deep-sea biological samples [2] Group 2: Technological Advancements - The mission marked the first use of domestically developed 6,000-meter deep-sea remotely operated vehicles and autonomous underwater robots in the Pacific deep-water area, achieving significant application results [5] - High-precision tests and operations were successfully conducted near the seabed using these advanced technologies [5] Group 3: Scientific Contributions - The collected data will serve as a fundamental basis for studying deep-sea geology, deep-sea environments, and deep-sea ecosystems [7] - The mission also achieved the first electromagnetic profile measurement of the Pacific abyss, obtaining high-quality electromagnetic observation data that will assist in future ocean drilling site selection [7] Group 4: Future Plans - The "Marine Geological Six" vessel is scheduled to return to the Pacific in the first half of 2026 for more in-depth basic geological and environmental geological scientific investigations [9]