Resouro Strategic Metals Inc. (RSGOF) Supplementary Information on Tiros Project PEA
Original announcement by tmx on
- Company
- Resouro Strategic Metals Inc.
- Ticker
- RSM
- Exchange
- TSX
- Region
- Minas Gerais, Brazil
- Primary commodity
- Titanium
- Secondary commodities
- Rare earths
- Document categories
- Metallurgy, Economic study, Resource update
- Extracted
- 2026-09-18 18:35:27 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Resouro Strategic Metals Inc. released supplementary details for its Tiros Project PEA, outlining a 20-year mine life with a 500,000 tpa production target. The project is underpinned by 99.2% Measured and Indicated resources, with an estimated initial capital cost of US$191.2 million.
Reasoning: Supplementary information for the Tiros PEA providing key economic and metallurgical parameters. The high proportion of M&I resources (99.2%) provides strong geological confidence for the production target, though the study remains at a preliminary scoping stage.
Positive factors
- High M&I confidence (99.2%)
- Long mine life (20 years)
- Clear production target (500 ktpa)
Negative factors
- PEA/Scoping stage uncertainty
- Bench-scale metallurgical basis
Facts used in scoring: 5
Classification and evidence
PEA Onlyneutral
Only Class 4 / Initial Assessment economics available. Not bankable.
Why it applies: The document describes the announcement as a Preliminary Economic Assessment (PEA) equivalent to a Scoping Study.
Evidence · text
“The PEA remains preliminary in nature and is equivalent to a Scoping Study under the JORC Code (2012).”
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: The production target includes a small 0.8% component from Inferred resources.
Evidence · text
“0.8% by Inferred Mineral Resources”
Bench Scale Onlynegative
Only preliminary bench tests completed — no locked-cycle or pilot work.
Why it applies: Metallurgical recovery assumptions are based on bench-scale testwork.
Evidence · text
“based on bench-scale testwork”
Single Domain Onlynegative
Testing limited to one composite or domain — representativeness not established.
Why it applies: only one composite was tested
Extracted facts
Stored fact records: 4. Some facts used in scoring do not have a stored record.
Resource Estimates (2)
indicatedTiros · titaniumTonnes: 1400000000Grade: 12Grade Unit: %Contained Metal: 165000000Contained Unit: tView all detailsHide details
Identity
- Project
- Tiros
- Commodity
- titanium
- Region
- brazil
- Reported Region
- Minas Gerais, Brazil
- Ticker
- RSM
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- Resource group id
- resource:dff689b930f858d353e8
- Mining method
- open_pit
- Resource basis
- gross
Resource Data
- Category
- indicated
- Tonnes
- 1400000000
- Grade
- 12
- Grade Unit
- %
- Contained Metal
- 165000000
- Contained Unit
- t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-06-17T00:00:00.000Z
Reasoning: Confirms the scale of the Measured and Indicated resource for the Tiros project.
Positive factors
- Large tonnage
- High M&I percentage
Evidence · text
“1.4 billion tonne at 12% titanium dioxide”
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
indicatedTiros · rare_earthsTonnes: 1400000000Grade: 4000Grade Unit: ppmContained Metal: 5500000Contained Unit: tView all detailsHide details
Identity
- Project
- Tiros
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- Minas Gerais, Brazil
- Ticker
- RSM
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- Resource group id
- resource:dff689b930f858d353e8
- Mining method
- open_pit
- Resource basis
- gross
Resource Data
- Category
- indicated
- Tonnes
- 1400000000
- Grade
- 4000
- Grade Unit
- ppm
- Contained Metal
- 5500000
- Contained Unit
- t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-06-17T00:00:00.000Z
Reasoning: Confirms the scale of the REE component within the resource.
Positive factors
- Large scale REE content
Evidence · text
“5.5 million tonne of total rare earths oxides within a Measured and Indicated Resource of 1.4 billion tonne at ... 4,000 ppm of total rare earth oxides.”
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
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
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
Metallurgical Results (2)
bench-scaleTiros · titaniumRecovery: 68.7 %View all detailsHide details
Identity
- Project
- Tiros
- Commodity
- titanium
- Region
- brazil
- Reported Region
- Minas Gerais, Brazil
- Ticker
- RSM
Test Work
- Program Status
- preliminary
- Test Type
- bench-scale
- Sample
- bench-scale testwork
Recovery
- Recovery
- 68.7 %
- Recovery Basis
- actual_test
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-06-17T00:00:00.000Z
Reasoning: Recovery assumptions provided for TiO2 and REE.
Negative factors
- Bench-scale testwork basis
Evidence · text
“Metallurgical recovery assumptions used in the PEA are 68.7% for TiO2”
bench-scaleTiros · rare_earthsRecovery: 67 %View all detailsHide details
Identity
- Project
- Tiros
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- Minas Gerais, Brazil
- Ticker
- RSM
Test Work
- Program Status
- preliminary
- Test Type
- bench-scale
- Sample
- bench-scale testwork
Recovery
- Recovery
- 67 %
- Recovery Basis
- actual_test
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-06-17T00:00:00.000Z
Reasoning: Recovery assumptions provided for REE.
Negative factors
- Bench-scale testwork basis
Evidence · text
“67.0% for rare earth elements (REE), based on bench-scale testwork.”
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.