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Home / Minas Americas

Minas Gerais, Brazil · Exploration stage

Minas Americas

A magnet-rich rare-earth system, with Nd, Pr, Dy and Tb at the centre of the project's strategic focus, now supported by 443 holes of reported assay drilling.

Magnes Rare Earths' 8 September 2026 results combine a 15 m full-hole result from surface at 1.15% TREO with the first reported RC intervals at depth, led by 29 m at 0.58% TREO to the bottom of a 60 m hole.

Head-grade assays · 443 holes reported · Results dated 8 September 2026
Review the drilling results Download June project profile (PDF)Historical project profile dated 16 June 2026. The current results are presented on this page and in the 8 September 2026 news release.
FROM-SURFACE RESULTHEAD GRADE
MAV_AD_0375

15 m from surface to EOH

1.15% TREO

Selected head-grade drilled interval
01443

reported drill holes

3,628.8 m of reported assays

0215 m

1.15% TREO

from surface to EOH

0329 m

0.58% TREO

31 m to 60 m EOH

04566 ppm

HREO over 5 m

Including 100 ppm DyTb

Reported intervals are drilled lengths. True thickness remains to be determined. MAV_RC_0012 contains a documented 30-31 m no-recovery interval; no composite crosses it.

Project + regional context

Where the project sits—and what has been reported.

See Minas Americas in Brazil alongside the published exploration points, principal roads and clearly labelled Verde regional reference locations.

INTERACTIVE REGIONAL CONTEXTProject, roads and regional reference locations.

The detailed map is loaded only when requested, keeping the first page view responsive on mobile connections.

~5,500 ha
Reported project area
13 reported mineral rights
Current corporate disclosure

Spatial disclosure record

Where shallow repeats.

The approved map below preserves the spatial disclosure record through 16 June 2026: 75 surface and trench samples at 61 mapped locations, followed by 3, 24, 17 and 253 drill holes.

The 8 September 2026 results are presented below without adding the new collar map, which remains subject to separate GIS and Qualified Person clearance.

Technical map of 61 surface or trench locations and 297 drill collars, coloured by the press release in which results first appeared.
Open the map full screen to search any reported hole, trench or October sample and compare the disclosure rounds.
Open full-screen mapDownload A3 technical plate
The same disclosure map is available as an interactive HTML map through the Open full-screen map link.

Drilling results · 8 September 2026

The first RC results add a new depth dimension.

MAV_RC_0012 returned 29 metres from 31 metres to the 60-metre EOH at 5,751 ppm TREO (0.58% TREO) and 1,346 ppm MREO. MAV_AD_0375 returned 15 metres from surface to EOH at 11,480 ppm TREO (1.15% TREO) and 2,830 ppm MREO.

Five of seven RC holes returned elevated intervals to their current depth limits. Comparable grades below EOH and continuity between holes remain untested.

Seven RC drill profiles on a common 0 to 60 metre scale, with selected composites and the MAV_RC_0012 no-recovery interval marked
Seven RC holes on a common depth scale. Holes are arranged for comparison, not spatial relationship. Head-grade drilled intervals only; true thickness and recovery have not been determined.
CURRENT TECHNICAL SOURCE · 8 SEPTEMBER 2026

8 September 2026 first RC and auger results

Selected head-grade drilled intervals are not a mineral resource, reserve, recovery estimate or economic result. True thickness has not been determined. MAV_RC_0012 includes a documented 30-31 m no-recovery interval, and no composite crosses that gap. The separate Drill-Hole and Assay Results Annex referred to in the release is not included in this website package.

Read the latest results
CHAPTER 1 · THROUGH 16 JUNE 2026

The visual below preserves the selected shallow intervals and 253-hole aggregate reported in the June update. It is retained as a dated part of the project record.

Shallow mineralisation repeated across selected June intervals

Shallow. Repeated. Twelve selected new hole-level intervals from the 16 June 2026 assay update, all beginning at surface and compared on one common 0 to 15 metre scale. The intervals are ordered by TREO, not spatial position, with the full 253-hole June dataset summarized separately.
Table 1 of the 16 June 2026 release listed 12 selected new hole-level intervals, each beginning at surface, with drilled lengths from 6 to 14 metres. Selected interval data, in descending TREO order: MAV_AD_0200, 0 to 10 metres, 9,736 ppm TREO and 2,407 ppm MREO; MAV_AD_0288, 0 to 10 metres, 9,090 ppm TREO and 2,121 ppm MREO; MAV_AD_0299, 0 to 8 metres, 8,998 ppm TREO and 2,327 ppm MREO; MAV_AD_0138, 0 to 6 metres, 8,608 ppm TREO and 2,242 ppm MREO; MAV_AD_0287, 0 to 6 metres, 8,548 ppm TREO and 2,196 ppm MREO; MAV_AD_0237, 0 to 14 metres, 8,527 ppm TREO and 1,954 ppm MREO; MAV_AD_0205, 0 to 11 metres, 8,113 ppm TREO and 1,761 ppm MREO; MAV_AD_0097, 0 to 8 metres, 7,965 ppm TREO and 1,845 ppm MREO; MAV_AD_0077, 0 to 12 metres, 7,927 ppm TREO and 1,811 ppm MREO; MAV_AD_0320, 0 to 6 metres, 7,698 ppm TREO and 2,018 ppm MREO; MAV_AD_0201, 0 to 12 metres, 7,677 ppm TREO and 1,764 ppm MREO; and MAV_AD_0236, 0 to 8 metres, 7,654 ppm TREO and 1,868 ppm MREO. Across the 253-hole June dataset, the disclosed length-weighted averages were 3,640 ppm TREO and 800 ppm MREO. The 16 June 2026 release reported 94 hole-level composites at or above 4,000 ppm TREO over 826 metres, including 17 at or above 7,000 ppm TREO over 163 metres. All intervals shown are selected head-grade drilled lengths; true thickness has not been determined.
Inspect the hole labels and common scale at full resolution.
Open full-size visualOpen full-size visualDownload PDF
The same selected interval data is provided in accessible HTML in the figure description on this page.
View the 12 selected intervals as a table

Table 1 of the 16 June 2026 release listed 12 selected new hole-level intervals, each beginning at surface, with drilled lengths from 6 to 14 metres. The rows remain ordered by TREO, not by spatial position.

Selected June 2026 drilled intervals shown in the visual
HoleDrilled intervalTREO (ppm)MREO (ppm)
MAV_AD_02000–10 m9,7362,407
MAV_AD_02880–10 m9,0902,121
MAV_AD_02990–8 m8,9982,327
MAV_AD_01380–6 m8,6082,242
MAV_AD_02870–6 m8,5482,196
MAV_AD_02370–14 m8,5271,954
MAV_AD_02050–11 m8,1131,761
MAV_AD_00970–8 m7,9651,845
MAV_AD_00770–12 m7,9271,811
MAV_AD_03200–6 m7,6982,018
MAV_AD_02010–12 m7,6771,764
MAV_AD_02360–8 m7,6541,868

Across the 253-hole June dataset, the disclosed length-weighted averages were 3,640 ppm TREO and 800 ppm MREO. The 16 June 2026 release reported 94 hole-level composites at or above 4,000 ppm TREO over 826 metres, including 17 at or above 7,000 ppm TREO over 163 metres. All intervals shown are selected head-grade drilled lengths; true thickness has not been determined.

HISTORICAL JUNE 2026 UPDATE

16 June 2026 drilling update

Selected results are head-grade drilled intervals. The release provides no mineral resource, recovery estimate, economics, production guidance or development decision. The later 8 September 2026 disclosure expands the reported drilling record.

Read the 16 June 2026 assay update

Published section context

PT-34 cross-section.

A schematic redraw of the published A–B section, showing four intervals reconciled to the assay tables.

PT-34 target area · A-B section · looking northwest
Published A-B cross-section through the PT-34 target area A schematic redraw of the January 2026 published cross-section. Twelve vertical auger holes follow an undulating surface. Four fully reconcilable selected intervals are highlighted at holes MAV_AD_0012, MAV_AD_0013, MAV_AD_0002 and MAV_AD_0001. A dashed line marks the interpreted clay horizon. Reported qualifying intercepts span approximately 1.7 km collar-to-collar A B MAV_AD_0009 MAV_AD_0010 1 MAV_AD_0012 2 MAV_AD_0013 MAV_AD_0008 MAV_AD_0007 MAV_AD_0004 MAV_AD_0006 MAV_AD_0005 MAV_AD_0003 3 MAV_AD_0002 4 MAV_AD_0001 Schematic published A-B section · vertical exaggeration 1.5× · no resource boundary shown Mobile view of the PT-34 published A-B cross-section A simplified profile with twelve auger collars. Numbered markers identify four selected, fully reconcilable intervals listed below. ~1.7 km reported qualifying span A B Schematic · 1.5× vertical exaggeration
1MAV_AD_0012
4.0 m at 10,143 ppm TREO (1.01%)
10–14 m depth · 2,475 ppm MREO (0.25%)
2MAV_AD_0013
5.0 m at 10,185 ppm TREO (1.02%)
5–10 m depth · 2,561 ppm MREO (0.26%)
3MAV_AD_0002
6.0 m at 8,013 ppm TREO (0.80%)
4–10 m depth · 1,941 ppm MREO (0.19%)
4MAV_AD_0001
5.0 m at 6,620 ppm TREO (0.66%)
From surface · 1,610 ppm MREO (0.16%)
drill trace selected interval interpreted clay horizon
Head-grade exploration results. Holes are vertical and downhole intervals are interpreted as approximate true thickness. The ~1.7 km span is collar-to-collar among qualifying reported intercepts; it is not a claim of uninterrupted mineralization. No mineral resource, reserve, recovery or economics has been established.
TREO = total rare-earth oxides. MREO = Nd₂O₃ + Pr₆O₁₁ + Dy₂O₃ + Tb₄O₇. 10,000 ppm = 1.0%. Sources: releases dated 2 December 2025 and 26 January 2026. Technical disclosure approved by Leonardo Deringer Fraga, P.Geo.

Selected shallow diagnostic leach results

Magnet-Rich in Solution. Five selected shallow SGS diagnostic intervals compared on one common zero-to-700 milligram-per-kilogram scale, with magnet rare-earth oxides highlighted within DREO in solution.
Five selected shallow intervals were tested using the same SGS ICM694 diagnostic method: 0.5 molar ammonium sulphate, nominal pH 4, for 30 minutes. PT-34 from zero to one metre returned 161 milligrams per kilogram MREO in 383 milligrams per kilogram DREO, a 41.9 percent magnet share. PT-34 from one to two metres returned 240 milligrams per kilogram MREO in 578 milligrams per kilogram DREO, a 41.6 percent magnet share. These are two consecutive one-metre intervals from surface. PT-36 from zero to one metre returned 278 milligrams per kilogram MREO in 667 milligrams per kilogram DREO, a 41.6 percent magnet share. PT-42 from zero to one metre returned 167 milligrams per kilogram MREO in 383 milligrams per kilogram DREO, a 43.6 percent magnet share. A later shallow-auger test, MAV_AD_0002 from two to three metres, returned 237 milligrams per kilogram MREO in 492 milligrams per kilogram DREO, a 48.1 percent magnet share. Across the five selected intervals, MREO represented 22.2 to 26.3 percent of TREO in the original samples and 41.6 to 48.1 percent of DREO in solution. This is a composition comparison, not recovery. Each displayed value is a solution concentration, not a recovery percentage. DREO means total desorbable rare-earth oxides expressed as oxide equivalents; MREO comprises the neodymium, praseodymium, dysprosium and terbium oxides. Values are on the laboratory reporting basis. The tests were diagnostic, not optimised, and the results are selected.
Inspect the five selected results and common scale at full resolution.
Open full-size visualOpen full-size visualDownload A4 technical plateRead the initial screening release
The same selected-result data is provided in accessible HTML in the figure description on this page.
Accessible data transcript (HTML)

Five selected shallow intervals tested using SGS ICM694: 0.5 M ammonium sulphate, nominal pH 4 and 30 minutes.

Magnet rare-earth oxides within DREO in solution
IntervalMREO in solutionDREO in solutionMREO share of DREO
PT-34 · 0-1 m161 mg/kg383 mg/kg41.9%
PT-34 · 1-2 m240 mg/kg578 mg/kg41.6%
PT-36 · 0-1 m278 mg/kg667 mg/kg41.6%
PT-42 · 0-1 m167 mg/kg383 mg/kg43.6%
MAV_AD_0002 · 2-3 m237 mg/kg492 mg/kg48.1%

Selected diagnostic results, not optimised or representative recovery tests. Values are solution concentrations, not recovery percentages. MREO comprises Nd, Pr, Dy and Tb oxides; DREO is expressed on an oxide-equivalent basis.

HOW TO READ THE RESULT

An initial solution response.

Four selected 2025 trench intervals and one later auger interval show what entered solution under the same mild diagnostic method. Representative extraction, mass balance and impurity work come next.

Metallurgy and product pathway
Rare earths in solution; uranium below the laboratory detection limit in all three selected results. The exact uranium and thorium concentrations are shown for PT-36, PT-34 and PT-42.
In three selected 2025 primary leach solutions, uranium was reported below 0.04 mg/kg in every result; thorium was reported at 2.59 mg/kg, below 0.20 mg/kg and 2.92 mg/kg. The selected intervals were PT-36 from zero to one metre, with 667 milligrams per kilogram DREO, uranium below 0.04 milligrams per kilogram and thorium at 2.59 milligrams per kilogram; PT-34 from one to two metres, with 578 milligrams per kilogram DREO, uranium below 0.04 milligrams per kilogram and thorium below 0.20 milligrams per kilogram; and PT-42 from zero to one metre, with 383 milligrams per kilogram DREO, uranium below 0.04 milligrams per kilogram and thorium at 2.92 milligrams per kilogram. SGS Geosol used method ICM694: 0.5 molar ammonium sulphate, initial pH 4 and 30 minutes, with ICP-OES and ICP-MS measurement. DREO is oxide-equivalent; uranium and thorium are reported as elemental concentrations. A less-than sign means below the stated laboratory detection limit, not zero. Selected diagnostic solution results, not a resource-average or representative radiological dataset. The concentrations do not characterise uranium or thorium in the feed, residue, water, workplace, potential product or property as a whole and do not establish transfer, recovery, mass balance, total radioactivity, product specification, environmental safety or commercial performance.
Inspect all three selected U and Th results at full resolution.An equivalent accessible HTML data transcript is provided immediately below.
Accessible data transcript (HTML)

Selected SGS ICM694 primary leach solution results: 0.5 M ammonium sulphate, initial pH 4 and 30 minutes.

Uranium, thorium and DREO results for the three selected intervals
IntervalDREO in PLSUraniumThorium
PT-36 · 0-1 m667 mg/kg<0.04 mg/kg U2.59 mg/kg Th
PT-34 · 1-2 m578 mg/kg<0.04 mg/kg U<0.20 mg/kg Th
PT-42 · 0-1 m383 mg/kg<0.04 mg/kg U2.92 mg/kg Th

A less-than sign means below the SGS laboratory detection limit, not zero. DREO is oxide-equivalent; U and Th are elemental concentrations. Selected diagnostic solution results, not a resource-average or representative radiological dataset. The concentrations do not characterise uranium or thorium in the feed, residue, water, workplace, potential product or property as a whole and do not establish transfer, recovery, mass balance, total radioactivity, product specification, environmental safety or commercial performance.

Regional execution experience

Prior operating experience. Project-specific evidence still comes first.

Cristiano Veloso previously led a mineral business in Minas Gerais through exploration, permitting, financing, mine and plant construction, commissioning and production.

That historical record includes two mines, three plants—two mineral-fertilizer plants and one bioproduction facility—and infrastructure extending to roads, a new bridge and a high-voltage grid connection.

Explore the founder track record
2 mines · 3 plants
Prior-company mines and plants
3.0 Mtpa
Reported mineral-fertilizer capacity
22 km roads
14 km asphalt · New bridge · grid connection

Historical Verde assets and works do not establish Magnes ownership, access, capital requirements, operating readiness or project economics.

Work programme

From drill record to a possible development decision.

The 8 September 2026 news release restates management targets for mineral-resource estimates before year-end 2026 and a PEA in H1 2027, subject to results and completion of the required technical and regulatory work.

  1. 01
    Reported

    Discovery and drilling

    Map the distribution, drilled geometry and head grade through fieldwork and assays.

  2. 02
    In progress

    Geological model

    Integrate the drilling and supporting datasets without treating exploration footprints as resources.

  3. 03
    Next workstream

    Representative metallurgy

    Measure extraction, selectivity, variability and impurity behaviour with a complete mass balance.

  4. 04
    Management targets

    Resource and studies

    Integrate drilling, geology, metallurgy, engineering and economics into formal studies.

  5. 05
    Future gate

    Development decision

    Bring technical results, permits, financing and corporate approval into one capital decision.

Methods and QA/QC

How the 8 September 2026 samples were analysed and reviewed.

Auger and RC samples were analysed by SGS Geosol Laboratorios S.A. using lithium-borate fusion followed by ICP-MS/OES determination. The QA/QC programme included blanks, certified reference materials, field duplicates and laboratory controls.

The scientific and technical information in the 8 September 2026 release was reviewed and approved by Carlos Leite, MAusIMM CP(Geo) (No. 1006695), an independent consultant to Magnes and a Qualified Person under NI 43-101.

Read the technical review in context
QUALIFIED PERSON

Independent technical review.

The 8 September 2026 release names Carlos Leite, MAusIMM CP(Geo), as the independent Qualified Person responsible for its technical content.

Technical disclosure

Current stage

Exploration moving into resource definition and representative metallurgy.

The next phase focuses on continuity, recovery, impurities and the route to a potential product.

Read the current result Review the evidence library

Follow the project

Watch the results that can change the thesis.

See the milestones designed to test continuity, recovery and a preliminary development concept.

See the catalyst roadmap Request updates