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
- 2026-08-21 02:50:01 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 5 Mt Mineral Resource (2 Mt M&I, 3 Mt Inferred). The PEA indicates robust economics with an 85% IRR and an after-tax NPV of $70.7 million USD.
Reasoning: The updated PEA provides a clear economic pathway for the Arraias Project with strong IRR and NPV, supported by a multi-category mineral resource estimate.
Positive factors
- Robust economic indicators (85% IRR, $70.7M NPV)
- Significant resource scale (5 Mt total)
- NI 43-101 compliant technical report
- Existing production at Domingos deposit
Negative factors
- All resources are Inferred or M&I (no reserves)
- Project sensitivity to product sales price
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 by WSP Canada Inc. in accordance with NI 43-101 standards.
Evidence · text
“prepared for the Company by WSP Canada Inc. (“WSP”) 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 (3 Mt) of the total resource 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)
measuredphosphateTonnes: 1100000Grade: 17.7Grade Unit: % P2O5View all detailsHide details
Identity
- Commodity
- phosphate
- Ticker
- IFOS
Resource Data
- Category
- measured
- Tonnes
- 1100000
- Grade
- 17.7
- Grade Unit
- % P2O5
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-01-27T00:00:00.000Z
Reasoning: Measured resource component of the breccia deposit.
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”
measuredphosphateTonnes: 500000Grade: 12.1Grade Unit: % P2O5View all detailsHide details
Identity
- Commodity
- phosphate
- Ticker
- IFOS
Resource Data
- Category
- measured
- Tonnes
- 500000
- Grade
- 12.1
- Grade Unit
- % P2O5
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-01-27T00:00:00.000Z
Reasoning: Measured resource component of the conglomerate deposit.
Evidence · text
“0.5 Mt of conglomerate at an in-situ grade of 12.1% P 2 O 5”
indicatedphosphateTonnes: 400000Grade: 16.4Grade Unit: % P2O5View all detailsHide details
Identity
- Commodity
- phosphate
- Ticker
- IFOS
Resource Data
- Category
- indicated
- Tonnes
- 400000
- Grade
- 16.4
- Grade Unit
- % P2O5
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-01-27T00:00:00.000Z
Reasoning: Indicated resource component of the breccia deposit.
Evidence · text
“Indicated Mineral Resources include 0.4 Mt of breccia at an in-situ grade of 16.4% P 2 O 5”
indicatedphosphateTonnes: 89000Grade: 11.6Grade Unit: % P2O5View all detailsHide details
Identity
- Commodity
- phosphate
- Ticker
- IFOS
Resource Data
- Category
- indicated
- Tonnes
- 89000
- Grade
- 11.6
- Grade Unit
- % P2O5
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-01-27T00:00:00.000Z
Reasoning: Indicated resource component of the conglomerate deposit.
Evidence · text
“89,000 t of conglomerate at an in-situ grade of 11.6% P 2 O 5”
inferredphosphateTonnes: 2400000Grade: 15.4Grade Unit: % P2O5View all detailsHide details
Identity
- Commodity
- phosphate
- Ticker
- IFOS
Resource Data
- Category
- inferred
- Tonnes
- 2400000
- Grade
- 15.4
- Grade Unit
- % P2O5
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-01-27T00:00:00.000Z
Reasoning: Inferred resource component of the breccia deposit.
Negative factors
- Inferred 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”
inferredphosphateTonnes: 600000Grade: 12Grade Unit: % P2O5View all detailsHide details
Identity
- Commodity
- phosphate
- Ticker
- IFOS
Resource Data
- Category
- inferred
- Tonnes
- 600000
- Grade
- 12
- Grade Unit
- % P2O5
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-01-27T00:00:00.000Z
Reasoning: Inferred resource component of the conglomerate deposit.
Negative factors
- Inferred category
Evidence · text
“0.6 Mt of conglomerate at an in-situ grade of 12.0% P 2 O 5”
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.