# Cesium Mining News

Canonical page: https://atlas-extractions.minestarters.com/news?commodities=cesium

Atlas summarizes and classifies mining-industry stories from third-party publishers. Follow each source link for the original reporting.

Results: 25
Returned: 10
Coverage: drill results, resource updates, and metallurgy; primary commodity matching; all time unless dates are supplied.
Commodity: Cesium (cesium)
Applied filters: {"commodities":["cesium"],"commodity_scope":"primary","document_types":["drill_results","resource_update","metallurgy"],"document_type_match":"any"}
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## Grid Metals Announces Positive Mineralogical Results at Falcon West, Engages SGS Canada for Ore Sorting Test Work, and Announces Investor Relations Agreements

- Atlas analysis: [Read analysis](https://atlas-extractions.minestarters.com/news/grid-metals-announces-positive-mineralogical-results-at-falcon-west-engages-sgs--9e021e77-0015-47d0-bcfd-f571e7c80c0b) · [Markdown](https://atlas-extractions.minestarters.com/news/grid-metals-announces-positive-mineralogical-results-at-falcon-west-engages-sgs--9e021e77-0015-47d0-bcfd-f571e7c80c0b.md)
- Original announcement: 2026-09-08T20:30:00.000Z
- Atlas analysis published: Unknown date
- Atlas analysis updated: Unknown date
- Company: Grid Metals Corp. (GRDM)
- Original source: [tmx](https://money.tmx.com/en/quote/GRDM/news/4609773950960698/grid-metals-announces-positive-mineralogical-results-at-falcon-west-engages-sgs-)
- Atlas sentiment: 0.46
- Atlas tags: Mill Route, Gravity Route

Grid Metals Corp. reported positive mineralogical results from its Falcon West Property in southeastern Manitoba, confirming pollucite as the dominant cesium host mineral. The company has engaged SGS Canada for initial ore sorting test work to produce a marketable cesium-bearing pollucite concentrate. Additionally, Grid Metals announced investor relations agreements with Peterson Capital and Capital Analytica to enhance market awareness.

## Grid Metals Commissions Mineral Resource Estimate for Falcon West; Announces Final Assays from Phase 2 Drill Program

- Atlas analysis: [Read analysis](https://atlas-extractions.minestarters.com/news/grid-metals-commissions-mineral-resource-estimate-for-falcon-west-announces-fina--a17deb28-88b4-4c12-a545-66c2df8c6558) · [Markdown](https://atlas-extractions.minestarters.com/news/grid-metals-commissions-mineral-resource-estimate-for-falcon-west-announces-fina--a17deb28-88b4-4c12-a545-66c2df8c6558.md)
- Original announcement: 2026-08-06T11:00:00.000Z
- Atlas analysis published: Unknown date
- Atlas analysis updated: Unknown date
- Company: Grid Metals Corp. (GRDM)
- Original source: [tmx](https://money.tmx.com/en/quote/GRDM/news/7050075465918061/grid-metals-commissions-mineral-resource-estimate-for-falcon-west-announces-fina)
- Atlas sentiment: 0.748
- Atlas tags: None

Grid Metals Corp. is commissioning a maiden mineral resource estimate for the Lucy South pegmatite at its Falcon West Property in southeastern Manitoba, with results expected this fall. The company also announced final drill assays from its Phase 2 resource delineation program, which included high-grade intercepts of cesium and lithium, with true thicknesses estimated to be 80-100% of reported lengths.

## Rising aerospace, defence and energy demand reshapes global cesium market

- Atlas analysis: [Read analysis](https://atlas-extractions.minestarters.com/news/rising-aerospace-defence-and-energy-demand-reshapes-global-cesium-market--ba492ec9-6d48-4dd1-b3dd-37730282be94) · [Markdown](https://atlas-extractions.minestarters.com/news/rising-aerospace-defence-and-energy-demand-reshapes-global-cesium-market--ba492ec9-6d48-4dd1-b3dd-37730282be94.md)
- Original announcement: 2026-07-22T12:30:00.000Z
- Atlas analysis published: Unknown date
- Atlas analysis updated: Unknown date
- Company: Power Metals Corp (PWM)
- Original source: [tmx](https://money.tmx.com/en/quote/PWM/news/7580527582043379/rising-aerospace-defence-and-energy-demand-reshapes-global-cesium-market)
- Atlas sentiment: 0.347
- Atlas tags: Nearology Play

Power Metals Corp provided a corporate update highlighting the strategic importance of its Case Lake project in Ontario amidst rising global cesium demand from aerospace, defence, and energy sectors. The company notes strong inbound interest for potential offtake and emphasizes the project's high-grade potential, including pollucite lenses up to 26% cesium.

## Grid Metals Reports Second Batch of Assays from its Phase 2 Drill Program at Falcon West; Cesium Mineralization Intercepted 75 m North of Lucy South Target Area

- Atlas analysis: [Read analysis](https://atlas-extractions.minestarters.com/news/grid-metals-reports-second-batch-of-assays-from-its-phase-2-drill-program-at-fal--1fe9ab24-ac72-4474-a7ce-deed8f098056) · [Markdown](https://atlas-extractions.minestarters.com/news/grid-metals-reports-second-batch-of-assays-from-its-phase-2-drill-program-at-fal--1fe9ab24-ac72-4474-a7ce-deed8f098056.md)
- Original announcement: 2026-05-05T11:00:00.000Z
- Atlas analysis published: Unknown date
- Atlas analysis updated: Unknown date
- Company: Grid Metals Corp. (GRDM)
- Original source: [tmx](https://money.tmx.com/en/quote/GRDM/news/8283388451617786/grid-metals-reports-second-batch-of-assays-from-its-phase-2-drill-program-at-fal)
- Atlas sentiment: 0.738
- Atlas tags: None

Grid Metals Corp. reported the second batch of assays from its Phase 2 drill program at the Falcon West Property, highlighting significant cesium and lithium intercepts. Notable cesium results include 0.35 m grading 15.05% Cs2O within a larger interval in hole LU26-19, and 0.25 m grading 11.44% Cs2O in LU26-26. The drilling successfully extended cesium mineralization 75 m north of the Lucy South target area, and the company plans to commence a maiden cesium and lithium resource estimate in Q3/26.

## Grid Metals Reports First Assays From Its Phase 2 Drill Program at Falcon West Including 12.9% Cs2O Over 3.8m

- Atlas analysis: [Read analysis](https://atlas-extractions.minestarters.com/news/grid-metals-reports-first-assays-from-its-phase-2-drill-program-at-falcon-west-i--8373e844-e519-4646-8c94-b9f88c13c377) · [Markdown](https://atlas-extractions.minestarters.com/news/grid-metals-reports-first-assays-from-its-phase-2-drill-program-at-falcon-west-i--8373e844-e519-4646-8c94-b9f88c13c377.md)
- Original announcement: 2026-04-01T11:00:00.000Z
- Atlas analysis published: Unknown date
- Atlas analysis updated: Unknown date
- Company: Grid Metals Corp. (GRDM)
- Original source: [tmx](https://money.tmx.com/en/quote/GRDM/news/5303312216986127/grid-metals-reports-first-assays-from-its-phase-2-drill-program-at-falcon-west-i)
- Atlas sentiment: 0.738
- Atlas tags: None

Grid Metals reported initial assays from its Phase 2 drill program at the Falcon West Property, highlighting significant cesium, lithium, and tantalum values. Notable results include 12.9% Cs2O over 3.8m, with a high-grade sub-interval of 26.5% Cs2O over 1.56m in hole LU26-03. The drilling confirmed the continuation of a highly fractionated LCT pegmatite environment and extended the mineralization 70 meters to the east, with a resource estimate planned following the receipt of all pending assays.

## Grid Metals Reports Final Assays from its 2025 Drill Program at Falcon West Including 20.45% Cs20 over 3.3m; Announces Participation at PDAC

- Atlas analysis: [Read analysis](https://atlas-extractions.minestarters.com/news/grid-metals-reports-final-assays-from-its-2025-drill-program-at-falcon-west-incl--45b1c030-5b82-4b27-afa6-2f8a6fe46b52) · [Markdown](https://atlas-extractions.minestarters.com/news/grid-metals-reports-final-assays-from-its-2025-drill-program-at-falcon-west-incl--45b1c030-5b82-4b27-afa6-2f8a6fe46b52.md)
- Original announcement: 2026-02-26T12:55:00.000Z
- Atlas analysis published: Unknown date
- Atlas analysis updated: Unknown date
- Company: Grid Metals Corp. (GRDM)
- Original source: [tmx](https://money.tmx.com/en/quote/GRDM/news/6301712748478897/grid-metals-reports-final-assays-from-its-2025-drill-program-at-falcon-west-incl)
- Atlas sentiment: 0.701
- Atlas tags: None

Grid Metals has announced final assays from its 2025 Phase 1 drill program at the Falcon West cesium property, highlighted by an exceptional intercept of 20.45% Cs2O over 3.35m, including 2.35m at 28.39% Cs2O, from the Lucy South LCT pegmatite. The company also reported significant lithium and rubidium grades, confirming the polymetallic nature of the deposit. With the Phase 1 program complete, a Phase 2 program is underway, and an initial cesium resource estimate is expected in Q3 2026. Grid Metals will also participate in the upcoming PDAC convention.

## Grid Metals Continues to Expand Cesium Mineralization at Falcon West

- Atlas analysis: [Read analysis](https://atlas-extractions.minestarters.com/news/grid-metals-continues-to-expand-cesium-mineralization-at-falcon-west--36ced5be-8550-4e14-a512-a01dbc52241f) · [Markdown](https://atlas-extractions.minestarters.com/news/grid-metals-continues-to-expand-cesium-mineralization-at-falcon-west--36ced5be-8550-4e14-a512-a01dbc52241f.md)
- Original announcement: 2026-02-03T12:00:00.000Z
- Atlas analysis published: Unknown date
- Atlas analysis updated: Unknown date
- Company: Grid Metals Corp. (GRDM)
- Original source: [tmx](https://money.tmx.com/en/quote/GRDM/news/5914736746961966/grid-metals-continues-to-expand-cesium-mineralization-at-falcon-west)
- Atlas sentiment: 0.83
- Atlas tags: None

Grid Metals has reported additional high-grade cesium and lithium drill results from the Lucy South target zone at its Falcon West property. Intercepts include exceptional cesium grades up to 27.81% Cs2O over 0.92 meters and strong lithium grades up to 4.72% Li2O over 5.5 meters, with true widths estimated at 90% of reported lengths. The mineralization remains open in multiple directions, indicating significant expansion potential for the near-surface LCT pegmatite.

## A NEW STRATEGIC CHAPTER BEGINS AS ALBEMARLE PARTNERSHIP CLEARS THE PATH TO CASE LAKE PRODUCTION

- Atlas analysis: [Read analysis](https://atlas-extractions.minestarters.com/news/a-new-strategic-chapter-begins-as-albemarle-partnership-clears-the-path-to-case--09032b0e-a4cc-4ca2-a3c0-26713dc235dd) · [Markdown](https://atlas-extractions.minestarters.com/news/a-new-strategic-chapter-begins-as-albemarle-partnership-clears-the-path-to-case--09032b0e-a4cc-4ca2-a3c0-26713dc235dd.md)
- Original announcement: 2025-12-16T14:00:00.000Z
- Atlas analysis published: Unknown date
- Atlas analysis updated: Unknown date
- Company: Power Metals Corp (PWM)
- Original source: [tmx](https://money.tmx.com/en/quote/PWM/news/5506131438292241/a-new-strategic-chapter-begins-as-albemarle-partnership-clears-the-path-to-case-)
- Atlas sentiment: 0.493
- Atlas tags: Step-Out Extension, QA/QC Disclosed

Power Metals Corp has entered a strategic partnership with Albemarle, securing up to C$5 million in non-dilutive funding and an offtake agreement for the Case Lake Project. The company reports strong progress in permitting, community engagement with the Apitipi Anicinapek Nation, and technical validation of a simple cesium processing flowsheet.

## Lithium Royalty Corp. Congratulates Power Metals on Offtake Agreement with Albemarle; Power Metals Reaffirms 2026 Production Target

- Atlas analysis: [Read analysis](https://atlas-extractions.minestarters.com/news/lithium-royalty-corp-congratulates-power-metals-on-offtake-agreement-with-albema--0dfea581-3912-4ce9-be6a-e3a4208bf756) · [Markdown](https://atlas-extractions.minestarters.com/news/lithium-royalty-corp-congratulates-power-metals-on-offtake-agreement-with-albema--0dfea581-3912-4ce9-be6a-e3a4208bf756.md)
- Original announcement: 2025-12-12T20:18:00.000Z
- Atlas analysis published: Unknown date
- Atlas analysis updated: Unknown date
- Company: Lithium Royalty Corp. (LIRC)
- Original source: [tmx](https://money.tmx.com/en/quote/LIRC/news/6269791626119917/lithium-royalty-corp-congratulates-power-metals-on-offtake-agreement-with-albema)
- Atlas sentiment: 0.483
- Atlas tags: Inferred Resource, Maiden Resource

Lithium Royalty Corp. (LRC) announced that its royalty holder, Power Metals, has entered into a cesium concentrate offtake and C$5 million prepayment agreement with Albemarle Corporation. The agreement supports Power Metals' 2026 production target for the Case Lake project, which holds a maiden inferred cesium resource.

## Grid Metals Reports Best Intercept to Date at Falcon West Cesium Project of 16.5% Cs2O over 3.45m

- Atlas analysis: [Read analysis](https://atlas-extractions.minestarters.com/news/grid-metals-reports-best-intercept-to-date-at-falcon-west-cesium-project-of-16-5--45860f94-32f3-4903-a0ce-e05dd126e6f0) · [Markdown](https://atlas-extractions.minestarters.com/news/grid-metals-reports-best-intercept-to-date-at-falcon-west-cesium-project-of-16-5--45860f94-32f3-4903-a0ce-e05dd126e6f0.md)
- Original announcement: 2025-12-04T12:00:00.000Z
- Atlas analysis published: Unknown date
- Atlas analysis updated: Unknown date
- Company: Grid Metals Corp. (GRDM)
- Original source: [tmx](https://money.tmx.com/en/quote/GRDM/news/5469177383271823/grid-metals-reports-best-intercept-to-date-at-falcon-west-cesium-project-of-16-5)
- Atlas sentiment: 0.842
- Atlas tags: Bonanza Intercept, True Width Disclosed, Step-Out Extension, QA/QC Disclosed, Apparent Width Only, Cut-off Undisclosed, Infill Drilling

Grid Metals Corp. announced exceptional high-grade cesium drill results from the Lucy South target zone at its Falcon West Cesium Project in southeastern Manitoba. The program delivered a new best intercept of 27.09% Cs2O over 1.24m in hole LU25-08 and 16.79% Cs2O over 3.45m in hole LU25-09, which is the highest grade-thickness product to date. These results confirm near-surface, high-grade pollucite-hosted cesium mineralization, with the trend remaining open for expansion.

# Atlas tag definitions

- **Bonanza Intercept:** Exceptionally high-grade zone, well above the deposit-type norm.
- **Metal Equivalent Opaque:** Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.
- **True Width Disclosed:** Actual thickness perpendicular to structure is stated, not just downhole length.
- **Apparent Width Only:** Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.
- **QA/QC Disclosed:** Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
- **Compositing Transparent:** Cut-off grade and internal dilution rules are clearly stated for reported intervals.
- **No QA/QC Disclosure:** Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
- **Cut-off Undisclosed:** Cut-off grade not disclosed — cannot assess comparability to prior estimates or peers.
- **Step-Out Extension:** Mineralization extended beyond the previously known limit.
- **Infill Drilling:** Confirmatory drilling to raise resource confidence, not new discovery.
- **Stale Data Re-release:** Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
- **Deleterious Elements Present:** A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.
- **Refractory Ore:** Complex mineralogy requiring oxidation or other special processing before recovery.
- **Nearology Play:** Value premise rests on proximity to a known deposit rather than own results.
- **Measured Resource:** Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
- **Indicated Resource:** Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
- **Proven Reserve:** Measured Resource with demonstrated economic viability after applying modifying factors.
- **Probable Reserve:** Indicated Resource with demonstrated economic viability after applying modifying factors.
- **Inferred Resource:** Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
- **All Inferred:** M&I share below the weak bound — very early stage, no engineering confidence.
- **Tonnage Growth:** Tonnage increase reaching the strong tier vs prior estimate, with grade maintained or improved.
- **Grade Improvement:** Average resource grade improved vs prior estimate — better deposit economics.
- **Contained Metal Growth:** True scale improvement — contained metal ounces/tonnes increased vs prior, accounting for both tonnage and grade changes.
- **Category Upgrade:** Resource confidence improved — Inferred upgraded to Indicated, or Indicated to Measured. De-risking signal.
- **Tonnage Decline:** Resource tonnage decreased vs prior estimate — pit optimization removed marginal material or geological model revised down.
- **Grade Decline:** Average grade fell below the red-flag bound vs prior estimate — deposit economics worsening. May indicate high-grading in early drilling.
- **Contained Metal Decline:** Contained metal decreased vs prior despite tonnage growth — grade dilution exceeds volume gain.
- **Category Downgrade:** Resource confidence decreased — Measured downgraded to Indicated, or Indicated to Inferred. Unusual and concerning.
- **Dilutive Growth:** Tonnage increased but contained metal flat or down — likely from lower cut-off grade, not geological expansion.
- **Cut-off Lowered:** Cut-off grade reduced beyond the suspicious bound vs prior estimate — tonnage growth may be artificial inflation.
- **Cut-off Undisclosed:** Cut-off grade not disclosed — cannot assess comparability to prior estimates or peers.
- **Stale Estimate:** Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
- **QP/CP Signed:** Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
- **Cut-off Disclosed:** Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
- **JORC Compliant:** Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
- **NI 43-101 Compliant:** Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
- **Historical Estimate Only:** Estimate pre-dates or does not comply with current JORC/NI 43-101 standards — requires verification drilling.
- **No Contained Metal:** Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
- **No QP/CP Disclosure:** 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.
- **Maiden Resource:** First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component. No prior estimate exists, so every change band is not applicable.
- **Resource Update:** Revised estimate for an existing resource — compare to prior to assess progress.
- **PEA-Supporting:** Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
- **PFS-Supporting:** Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
- **DFS-Supporting:** Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
- **High Recovery:** Recovery at or above the exceptional band for the commodity and processing route.
- **Pilot Scale Complete:** Pilot or demonstration plant testing completed under continuous operation.
- **Free Milling:** Simple, clean ore amenable to standard processing without oxidation.
- **Multi-Domain Tested:** Variability across ore domains (oxide, transition, fresh) has been addressed.
- **Recovery Improving:** Recovery improved versus a like-for-like prior test program on the same domain and route.
- **Low Recovery:** Recovery below the weak band for the commodity and processing route.
- **Bench Scale Only:** Only preliminary bench tests completed — no locked-cycle or pilot work.
- **Refractory Ore:** Complex mineralogy requiring oxidation or other special processing before recovery.
- **Single Domain Only:** Testing limited to one composite or domain — representativeness not established.
- **Recovery Stagnant:** No improvement across multiple test programs on comparable material.
- **Theoretical Recovery Only:** Only theoretical or liberation-derived recovery reported, with no actual test result.
- **Heap Leach Route:** Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.
- **Mill Route:** Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
- **Gravity Route:** Gravity separation forms a material part of the flowsheet.
- **POX/BIOX Route:** Pressure or bio-oxidation for refractory ore — high CAPEX and OPEX.
- **Byproduct Commodity:** The tested commodity is a byproduct rather than the primary economic driver.
- **DFS Bankable:** AACE Class 2-1 study complete and within the staleness window.
- **PFS Complete:** AACE Class 3 study complete.
- **PEA Only:** Only Class 4 / Initial Assessment economics available. Not bankable.
- **No Study:** No formal economic study — no engineering basis for the economics quoted.
- **Stale Study:** Beyond the staleness window measured from the estimate base date.
- **Inferred Heavy Feed:** Material Inferred share of LOM mill feed, or the share is undisclosed.
- **Resource Governance Undisclosed:** No QA/QC, top-cut methodology or QP independence disclosed. Caps study quality at the moderate tier.
- **NPV Cut vs Prior Study:** A restated study reduces NPV materially against its own predecessor on the same asset.
- **High IRR:** Post-tax real unlevered IRR in the strong tier or better.
- **Low IRR:** IRR below the moderate tier.
- **Below Jurisdiction Hurdle:** IRR below the greenfield or brownfield hurdle for its jurisdiction tier.
- **IRR Basis Undisclosed:** Real vs nominal not stated, so the tier is not comparable across studies.
- **Undervalued PNAV:** Funding-adjusted P/NAV in the strong tier or better.
- **Overvalued PNAV:** Funding-adjusted P/NAV in the red-flag tier.
- **Fast Payback:** Payback in the strong tier or better, on the required basis.
- **Slow Payback:** Payback in the weak tier or worse.
- **Bottom Quartile Cost:** P0-25 of the relevant commodity cost curve.
- **Top Quartile Cost:** P75-100 of the relevant commodity cost curve — first to cut in a downturn.
- **Cost Basis Undisclosed:** By-product vs co-product not stated, so quartile placement is unreliable.
- **Low Capital Intensity:** Below the benchmark for its project type.
- **High Capital Intensity:** Above the benchmark for its project type.
- **Conservative Pricing:** Conservative on the worst of the spot, 3-year and consensus comparisons.
- **Aggressive Pricing:** The study only works on a stretched price deck.
- **No Price Sensitivity:** No price sensitivity disclosed — treated as a deliberate signal, not a neutral gap.
- **No Discount Rate Sensitivity:** Blocks NPV normalisation to the common rate without reconstruction.
- **Price Deck Unstructured:** Prices given only as free text, so conservatism cannot be scored.
- **Long Reserve Life:** Reserve life index in the top tier of the single ladder.
- **Short Reserve Life:** Reserve life index in the critical tier.
- **Resource Life Upside:** Wide gap between reserve life and resource life — conversion upside rather than discovery dependence.
- **Fully Funded:** Funding coverage at or above 1.0x counting committed facilities only.
- **Material Funding Gap:** Funding coverage below the substantially-funded band.
- **Funding Gap Exceeds Market Cap:** Red flag regardless of headline NPV — the upside is not reachable by the current equity holder.
- **Encumbered by Stream:** An existing stream or royalty reduces attributable NAV and restricts future financing.
- **Stability Agreement:** Fiscal terms fixed, with a term covering the mine life.
- **High Government Take:** Total government take above the regional norm as a share of pre-tax cash flow.
- **Fully Permitted:** Key permits granted with no unresolved challenge.
- **Permit Challenge Outstanding:** An appeal or legal challenge is unresolved, which can defer first production indefinitely.
- **No Community Agreement:** Permits held but no IBA or benefit agreement — the start date is unsupported.
- **Closure Underprovisioned:** Closure provision materially below peers, unfunded, or undisclosed.
- **Upstream TSF:** Upstream tailings construction, which is banned in Brazil and Ecuador.