Ocean Mining News

onSeptember 28, 2026

TMC CFO discusses proposed Nodule City nodule processing plant in Brownsville, Texas

Key points TMC CFO Craig Shesky discussed the company’s proposed Nodule City nodule processing plant in Brownsville, Texas, in an interview with Dmitry Silverstein at the WTR Research Virtual Insights Conference. The Brownsville plant is proposed to place TMC within an industrial cluster focused on…

onSeptember 28, 2026

Cobalt Blue Contracted to Undertake Preliminary Economic Analysis for Glomar’s US Polymetallic Refinery

Cobalt Blue will deliver PEA workstreams for Glomar's Project Infinity. It will be paid US$150,000, with the PEA targeted for Q4 2026.

Cobalt Blue

onSeptember 24, 2026

Deep Sea Minerals Corp. Welcomes U.S. Department of the Interior Comments on Deep Sea Mineral Permitting

Deep Sea Minerals welcomed Burgum's comments on US seabed permitting. Its NOAA application covers about 147,368 km2 in the Clarion-Clipperton Zone.

Deep Sea Minerals

onSeptember 23, 2026

Midwater Release Less Up Less Down

Key points TMC releases return water from its nodule collection system at a depth of 2,000 meters, a level chosen because most fisheries and zooplankton…

Moby Robotics

onSeptember 23, 2026

MOBY Robotics Wins ABS Approval in Principle for Commercial-Scale Platform

MOBY Robotics secured ABS Approval in Principle for its MPP. The 25-ton MPP raises SmartLift and can run for decades without returning to port.

The Metals Royalty Company

onSeptember 21, 2026

The Metals Royalty Company Celebrates U.S. EXIM Bank Chairman’s Visit to the Mesabi Iron Ore Mine and Provides Commissioning Update

EXIM's chairman visited the Mesabi mine, where TMCR holds a royalty. The plant was 99.25% complete on August 31, with first output due in Q4 2026.

onSeptember 18, 2026

How nodules reach the surface

Key points In 2022, Allseas’ pilot system collected nodules from the seafloor and lifted them through a 4-km riser to the surface; the companies have since refined the design and reduced its environmental footprint. The collector is divided into three systems: pickup, processing, and…

Regulations

Interior Secretary Doug Burgum speaking at a podium

onSeptember 15, 2026

Burgum Says US Deep-Sea Mining Permits Could Come Within Months

Interior Secretary Doug Burgum told the G20 energy ministerial in Houston on September 14, 2026 that US deep-sea mining permits could be issued within months. At least six companies have already applied to NOAA or asked Interior for a lease sale.

Green Manganese Technologies

onSeptember 14, 2026

Green Manganese Demonstrates Recovery of Multiple Critical Metals from Polymetallic Nodules in a Single Process

Green Manganese completed bench-scale tests on polymetallic nodules. The process recovered over 90% of manganese, nickel, cobalt and copper.

Allseas

onSeptember 11, 2026

Allseas advances offshore operations with hybrid-electric ROV fleet

Allseas is replacing its ROV fleet with Schilling eHD vehicles. The hybrid electric units work to 6,000 metres and can be piloted from shore.

onSeptember 9, 2026

Go with the Flow – Mine Planning to Reduce Impact

TMC says it plans mining around the deep ocean's natural currents. At 4,000 meters water moves with the tides, steering sediment into mined ground.

onSeptember 3, 2026

Building Autonomous Marine Robotics in Miami | MOBY Robotics

Key points MOBY Robotics designs, builds, and tests its autonomous marine robotics systems in Miami. The company develops autonomous marine robotics for ocean intelligence, critical minerals, and national security, with systems built to operate from coastal waters to the deep ocean.