Deep-sea rock mechanics and mining technology: State of the art …
2023年9月1日 · Deep-sea mining rock mechanics is one of the most important subjects in deep-sea mining activities. To allow more accurate predictions of ocean engineering performance and ensure deep-sea mining safety and efficiency, it is necessary to have a comprehensive understanding on the mechanical behaviors of deep-sea deposits, environment interactions ...
Bizarre Mineral Clumps Make ‘Dark Oxygen’ on Deep Seafloor
2024年7月22日 · These unassuming metal deposits, called polymetallic nodules, contain metals such as manganese and cobalt used to produce batteries, marking them as targets for deep-sea mining companies. Now...
Dark oxygen made by deep sea 'batteries' - BBC
2024年7月22日 · Scientists have discovered “dark oxygen” being produced in the deep ocean, apparently by lumps of metal on the seafloor. About half the oxygen we breathe comes from the ocean. But, before this...
Evidence of dark oxygen production at the abyssal seafloor
2024年7月22日 · Oxygen (O 2) is prevalent in deep-sea surface sediments where its rate of consumption reflects the sum of aerobic respiration and oxidation of reduced inorganic compounds produced by...
Deep-sea rock mechanics and mining technology: State of the art …
2023年9月1日 · deep-sea mining are how to extract usable ore from intact rock mass, how to load and transport it, how to raise it to surface height, and how to overcome the difficulty of moving large...
Deep-Sea Mining Could Begin Soon, Regulated or Not
2023年9月1日 · Gerard Barron, CEO of TMC, describes a polymetallic nodule as a “battery in a rock.” The self-assured prospector says deep-sea mining is a rare opportunity to transition the world off fossil...
Deep seabed mining: Frontiers in engineering geology and
This study reviews the latest advances in marine engineering geology and the environment related to deep-sea mining activities, presents a bibliometric analysis of the development of ocean mineral resources since the 1950s, summarizes the development, theory, and issues related to techniques for the three stages of ocean mining (i.e ...
Deep-sea rock mechanics and mining technology: State of the art …
2023年9月1日 · Deep-sea polymetallic nodules are a mineral resource with potential for commercial development. Due to the unique deep-sea environment in which they are found, specialized technology and equipment… Investigation of rock progressive damage under static confinement and strain rates facilitates the generation mechanism of natural fault damage zones.
A dataset describing chip parameters for rock breaking by
2024年6月4日 · Chip is a visual representation of rock breaking by cutter, and their related parameters are crucial for revealing the rock breaking mechanism in deep-sea mining.
Deep-sea mining rock-fragment dispersal scenarios associated …
2024年7月30日 · In the present study, a high-resolution eddy-resolving ocean numerical model was configured and integrated with a semi-Lagrangian model aiming to map the transport of rock-fragments associated with mining activities. The model was applied to an area rich in polymetallic sulphides at the Northern Mid-Atlantic Ridge (NMAR).