Itafos Completes Updated Preliminary Economic Assessment for the Arraias Phosphate Project
Original announcement by tmx on
- Company
- Itafos Inc.
- Ticker
- IFOS
- Exchange
- TSX
- Region
- Tocantins, Brazil
- Primary commodity
- Phosphate
- Secondary commodities
- None reported
- Document categories
- Resource update, Other
- Extracted
- 2026-09-12 07:16:03 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Itafos has completed an updated Preliminary Economic Assessment (PEA) for the Arraias Phosphate Project in Brazil, reporting a total Mineral Resource of 5 Mt (2 Mt M&I and 3 Mt Inferred). The PEA indicates a robust project with an 85% IRR and an after-tax NPV of $70.7 million USD.
Reasoning: The updated PEA demonstrates strong economic potential for the Arraias Project with high IRR and NPV, supported by a substantial mineral resource estimate.
Positive factors
- Robust economic indicators (85% IRR, $70.7M NPV)
- Significant resource scale (5 Mt total)
- NI 43-101 compliant PEA
- Existing production at Domingos deposit
Negative factors
- High sensitivity to product sales price
- Inferred resource component is significant (3 Mt)
- Technical risks regarding scale-up and hardness
Facts used in scoring: 6
Classification and evidence
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: The PEA was prepared in accordance with NI 43-101 standards.
Evidence · text
“prepared... in accordance with National Instrument 43-101”
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: A significant portion of the resource (3 Mt) is in the Inferred category.
Evidence · text
“plus 3 Mt Inferred Mineral Resources”
QP/CP Signedpositive
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.
Why it applies: Jennifer Simper, P.Geo. is named as the Mineral Resource Qualified Person.
Evidence · text
“The Mineral Resource Qualified Person (“QP”), Jennifer Simper, P.Geo.”
Extracted facts
Stored fact records: 6. Some facts used in scoring do not have a stored record.
Resource Estimates (6)
measuredArraias Phosphate Project · phosphateTonnes: 1100000Grade: 17.7Grade Unit: % P2O5View all detailsHide details
Identity
- Project
- Arraias Phosphate Project
- Commodity
- phosphate
- Region
- brazil
- Reported Region
- Tocantins, Brazil
- Ticker
- IFOS
Resource scope
- Estimate type
- resource
- Effective date
- 2025-11-14T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Jennifer Simper
- Resource group id
- resource:65ac0ad0e323c32aab1e
- Deposit or zone
- breccia
- Mining method
- open_pit
Resource Data
- Category
- measured
- Tonnes
- 1100000
- Grade
- 17.7
- Grade Unit
- % P2O5
Prior Estimate
- Resource Date
- 2025-11-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-01-27T00:00:00.000Z
Reasoning: Measured resource component with high grade.
Positive factors
- High grade intercept
Evidence · text
“Measured Mineral Resources include 1.1 Mt of breccia at an in-situ grade of 17.7% P 2 O 5”
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
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.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
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
measuredArraias Phosphate Project · phosphateTonnes: 500000Grade: 12.1Grade Unit: % P2O5View all detailsHide details
Identity
- Project
- Arraias Phosphate Project
- Commodity
- phosphate
- Region
- brazil
- Reported Region
- Tocantins, Brazil
- Ticker
- IFOS
Resource scope
- Estimate type
- resource
- Effective date
- 2025-11-14T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Jennifer Simper
- Resource group id
- resource:898fe9461f205ab570cd
- Deposit or zone
- conglomerate
- Mining method
- open_pit
Resource Data
- Category
- measured
- Tonnes
- 500000
- Grade
- 12.1
- Grade Unit
- % P2O5
Prior Estimate
- Resource Date
- 2025-11-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-01-27T00:00:00.000Z
Reasoning: Measured resource component.
Evidence · text
“0.5 Mt of conglomerate at an in-situ grade of 12.1% P 2 O 5”
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
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.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
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
indicatedArraias Phosphate Project · phosphateTonnes: 400000Grade: 16.4Grade Unit: % P2O5View all detailsHide details
Identity
- Project
- Arraias Phosphate Project
- Commodity
- phosphate
- Region
- brazil
- Reported Region
- Tocantins, Brazil
- Ticker
- IFOS
Resource scope
- Estimate type
- resource
- Effective date
- 2025-11-14T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Jennifer Simper
- Resource group id
- resource:5a48a8311ad9905afe07
- Deposit or zone
- breccia
- Mining method
- open_pit
Resource Data
- Category
- indicated
- Tonnes
- 400000
- Grade
- 16.4
- Grade Unit
- % P2O5
Prior Estimate
- Resource Date
- 2025-11-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-01-27T00:00:00.000Z
Reasoning: Indicated resource component.
Evidence · text
“Indicated Mineral Resources include 0.4 Mt of breccia at an in-situ grade of 16.4% P 2 O 5”
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
QP/CP Signedpositive
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.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
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
indicatedArraias Phosphate Project · phosphateTonnes: 89000Grade: 11.6Grade Unit: % P2O5View all detailsHide details
Identity
- Project
- Arraias Phosphate Project
- Commodity
- phosphate
- Region
- brazil
- Reported Region
- Tocantins, Brazil
- Ticker
- IFOS
Resource scope
- Estimate type
- resource
- Effective date
- 2025-11-14T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Jennifer Simper
- Resource group id
- resource:d1fc62c71456ac17638d
- Deposit or zone
- conglomerate
- Mining method
- open_pit
Resource Data
- Category
- indicated
- Tonnes
- 89000
- Grade
- 11.6
- Grade Unit
- % P2O5
Prior Estimate
- Resource Date
- 2025-11-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-01-27T00:00:00.000Z
Reasoning: Indicated resource component.
Evidence · text
“89,000 t of conglomerate at an in-situ grade of 11.6% P 2 O 5”
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
QP/CP Signedpositive
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.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
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
inferredArraias Phosphate Project · phosphateTonnes: 2400000Grade: 15.4Grade Unit: % P2O5View all detailsHide details
Identity
- Project
- Arraias Phosphate Project
- Commodity
- phosphate
- Region
- brazil
- Reported Region
- Tocantins, Brazil
- Ticker
- IFOS
Resource scope
- Estimate type
- resource
- Effective date
- 2025-11-14T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Jennifer Simper
- Resource group id
- resource:11ed4ad9d168451a4b53
- Deposit or zone
- breccia
- Mining method
- open_pit
Resource Data
- Category
- inferred
- Tonnes
- 2400000
- Grade
- 15.4
- Grade Unit
- % P2O5
Prior Estimate
- Resource Date
- 2025-11-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-01-27T00:00:00.000Z
Reasoning: Inferred resource component.
Negative factors
- Speculative category
Evidence · text
“Inferred Mineral Resources for the four deposits include 2.4 Mt of breccia at an in-situ grade of 15.4% P 2 O 5”
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
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.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
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
inferredArraias Phosphate Project · phosphateTonnes: 600000Grade: 12Grade Unit: % P2O5View all detailsHide details
Identity
- Project
- Arraias Phosphate Project
- Commodity
- phosphate
- Region
- brazil
- Reported Region
- Tocantins, Brazil
- Ticker
- IFOS
Resource scope
- Estimate type
- resource
- Effective date
- 2025-11-14T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Jennifer Simper
- Resource group id
- resource:67896ba5cebc79736aca
- Deposit or zone
- conglomerate
- Mining method
- open_pit
Resource Data
- Category
- inferred
- Tonnes
- 600000
- Grade
- 12
- Grade Unit
- % P2O5
Prior Estimate
- Resource Date
- 2025-11-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-01-27T00:00:00.000Z
Reasoning: Inferred resource component.
Negative factors
- Speculative category
Evidence · text
“0.6 Mt of conglomerate at an in-situ grade of 12.0% P 2 O 5”
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
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.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
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
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.