TMC the metals company Inc. develops critical-metal resources from seafloor polymetallic nodules in the Clarion Clipperton Zone of the Pacific Ocean. Company news centers on exploration and commercial recovery permitting, environmental research, technical assessments, collection-system development, and the metallurgical work needed to process nodules for metals used in energy, defense, manufacturing and infrastructure.
Recurring updates include NOAA and DSHMRA regulatory milestones for TMC USA, International Seabed Authority data submissions by NORI and TOML, commercial work with offshore contractor Allseas, quarterly financial results, business updates, and material agreements tied to sponsored exploration areas and future nodule recovery operations.
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TMC (TMC) reported preliminary seafloor sediment-plume findings from subsidiary NORI’s 2022 pilot nodule-collection test on December 14, 2023. NORI’s data and modeling indicate that sediment stirred up by the collector at a depth of approximately 4 kilometers forms a gravity-driven flow along the seafloor rather than rising into the water column. During the trial, over 50 monitoring assets and marine sensors were deployed across a 4 km by 2 km test field to measure plume behavior.
Remotely operated vehicle observations in the NORI-D area found that sessile organisms—those fixed in place and identified in earlier baseline studies—were still present in areas influenced by the seafloor plume twelve months after the test. Those observations are qualitative. NORI expects to release separate data on midwater sediment plumes in the coming months.
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