NOAA Determines TMC USA’s Consolidated Deep-Seabed Mining Application is in Substantial Compliance

Original announcement by yahoo_press on

Company
The Metals Company
Ticker
TMC
Exchange
NYSE
Region
Clarion Clipperton Zone
Primary commodity
Polymetallic nodules
Secondary commodities
None reported
Document categories
Permitting, Resource update
Extracted
2026-09-21 04:21:01 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

NOAA has determined that TMC USA's consolidated deep-seabed mining application is in substantial compliance, marking a major regulatory milestone. The consolidated application expands the commercial recovery area to approximately 65,000 km2 and covers an estimated resource of 619 million tonnes of wet nodules.

Reasoning: The determination of substantial compliance by NOAA is a major regulatory de-risking event for TMC's deep-seabed mining application, coupled with a significant expansion of the commercial area and resource scale.

Positive factors

  • Regulatory milestone achieved (substantial compliance)
  • Significant increase in commercial recovery area
  • Large resource scale (619 Mt)
  • Substantial exploration upside (200 Mt)

Facts used in scoring: 2

Classification and evidence

permittingpositive · Story-specific tag

No canonical definition is currently available.

Why it applies: NOAA determined the application is in substantial compliance, a key regulatory milestone.

Evidence · text

“Determination of substantial compliance marks a key step in the U.S. regulatory process”

Tonnage Growthpositive

Tonnage increase reaching the strong tier vs prior estimate, with grade maintained or improved.

Why it applies: The commercial recovery area and estimated resource scale have increased significantly.

Evidence · text

“increases the commercial recovery area from ~25,000 to ~65,000 km2”

Extracted facts

Stored fact records: 1. Some facts used in scoring do not have a stored record.

Resource Estimates (1)

Fact 1Clarion Clipperton Zone · polymetallic nodulesTonnes: 619000000View all details
Link to this fact

Identity

Project
Clarion Clipperton Zone
Commodity
polymetallic nodules
Region
clarion clipperton zone
Reported Region
Clarion Clipperton Zone
Ticker
TMC

Resource scope

Resource group id
resource:5b5e03638dcf6087a261

Resource Data

Tonnes
619000000

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-09T00:00:00.000Z

Reasoning: Large scale resource estimate provided for expanded area.

Positive factors

  • Large resource scale
  • Significant area expansion

Evidence · text

“estimated resource of 619 million tonnes (Mt) of wet nodules”

Tags used in scoring

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

No QP/CP Disclosurenegative

No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience.

Why it applies: no Qualified or Competent Person is named anywhere in the release

How Atlas produces this analysis

Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.