Aclara Announces Results from Technical Reports on Its Integrated Heavy Rare Earths Supply Chain

Original announcement by tmx on

Company
Aclara Resources Inc.
Ticker
ARA
Exchange
TSX
Region
Unavailable
Primary commodity
Rare earths
Secondary commodities
Dysprosium, Terbium, Neodymium, Praseodymium, Yttrium, Gadolinium, Samarium, Lutetium, Europium, Ytterbium, Holmium, Erbium, Thulium
Document categories
Resource update, Other
Extracted
2026-08-22 22:36:22 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Aclara Resources announced positive results from technical reports for its integrated heavy rare earths supply chain, encompassing mining, separation, and alloy production. The studies highlight strong economics, including a total NPV of US$2.334 billion and an IRR of 26% across its Carina Project (Brazil), Project Dynamo (US), and Metals and Alloys project (US). Additionally, the company reported a robust Measured and Indicated mineral resource of 27.5 million tonnes for its Penco Module in Chile, containing significant concentrations of heavy rare earth elements.

Reasoning: Aclara announced positive results from multiple technical reports (Feasibility Study, Scoping Study, FEL 2) detailing strong economics for its integrated heavy rare earths supply chain, alongside a robust Measured and Indicated mineral resource for the Penco Module.

Positive factors

  • strong NPV and IRR for integrated supply chain
  • high Measured and Indicated resource for Penco Module
  • proprietary Circular Mineral Harvesting process
  • focus on heavy rare earths outside China
  • strategic partners and funding support

Low confidence — this extraction should be reviewed alongside the original source.

Facts used in scoring: 18

Classification and evidence

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: The Penco Module is characterized by a high proportion of Measured and Indicated ("M&I") mineral resources (~94%).

Evidence · text

“Measured and Indicated ("M&I") mineral resources (~94%)”

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: The Carina Project Feasibility Study was prepared in accordance with National Instrument 43-101, and the Penco Module is advancing a NI 43-101 Feasibility Study.

Evidence · text

“National Instrument 43-101 - Standards of Disclosure for Mineral Projects”

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: The document presents an update to the Penco Module's Measured & Indicated mineral resources as part of its technical reports.

Evidence · text

“Table 2 presents the Penco Module M&I mineral resources”

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: The Penco Module resource estimate is being advanced to support a Definitive Feasibility Study.

Evidence · text

“advancing a Definitive Feasibility Study”

Extracted facts

Stored fact records: 18. Some facts used in scoring do not have a stored record.

Resource Estimates (18)

indicatedPenco Module · rare_earthsTonnes: 27500000Grade: 491Grade Unit: ppmContained Metal: 13487Contained Unit: tView all details
Link to this fact

Identity

Project
Penco Module
Commodity
rare_earths
Region
chile
Reported Region
Biobío Region of southern Chile
Ticker
ARA

Resource Data

Category
indicated
Tonnes
27500000
Grade
491
Grade Unit
ppm
Contained Metal
13487
Contained Unit
t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-04-13T00:00:00.000Z

Reasoning: High confidence Measured and Indicated resource for Desorbible Rare Earth Oxides.

Positive factors

  • high M&I proportion
  • significant contained metal

Evidence · table

“491”

Context: 27.5

indicatedPenco Module · dysprosiumTonnes: 27500000Grade: 27Grade Unit: ppmContained Metal: 739Contained Unit: tView all details
Link to this fact

Identity

Project
Penco Module
Commodity
dysprosium
Region
chile
Reported Region
Biobío Region of southern Chile
Ticker
ARA

Resource Data

Category
indicated
Tonnes
27500000
Grade
27
Grade Unit
ppm
Contained Metal
739
Contained Unit
t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-04-13T00:00:00.000Z

Reasoning: High confidence Measured and Indicated resource for Dysprosium, a critical heavy rare earth.

Positive factors

  • high M&I proportion
  • significant contained metal
  • heavy rare earth

Evidence · table

“27”

Context: 27.5

indicatedPenco Module · terbiumTonnes: 27500000Grade: 4Grade Unit: ppmContained Metal: 100Contained Unit: tView all details
Link to this fact

Identity

Project
Penco Module
Commodity
terbium
Region
chile
Reported Region
Biobío Region of southern Chile
Ticker
ARA

Resource Data

Category
indicated
Tonnes
27500000
Grade
4
Grade Unit
ppm
Contained Metal
100
Contained Unit
t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-04-13T00:00:00.000Z

Reasoning: High confidence Measured and Indicated resource for Terbium, a critical heavy rare earth.

Positive factors

  • high M&I proportion
  • significant contained metal
  • heavy rare earth

Evidence · table

“4”

Context: 27.5

indicatedPenco Module · neodymiumTonnes: 27500000Grade: 61Grade Unit: ppmContained Metal: 1673Contained Unit: tView all details
Link to this fact

Identity

Project
Penco Module
Commodity
neodymium
Region
chile
Reported Region
Biobío Region of southern Chile
Ticker
ARA

Resource Data

Category
indicated
Tonnes
27500000
Grade
61
Grade Unit
ppm
Contained Metal
1673
Contained Unit
t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-04-13T00:00:00.000Z

Reasoning: High confidence Measured and Indicated resource for Neodymium.

Positive factors

  • high M&I proportion
  • significant contained metal

Evidence · table

“61”

Context: 27.5

indicatedPenco Module · praseodymiumTonnes: 27500000Grade: 15Grade Unit: ppmContained Metal: 403Contained Unit: tView all details
Link to this fact

Identity

Project
Penco Module
Commodity
praseodymium
Region
chile
Reported Region
Biobío Region of southern Chile
Ticker
ARA

Resource Data

Category
indicated
Tonnes
27500000
Grade
15
Grade Unit
ppm
Contained Metal
403
Contained Unit
t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-04-13T00:00:00.000Z

Reasoning: High confidence Measured and Indicated resource for Praseodymium.

Positive factors

  • high M&I proportion
  • significant contained metal

Evidence · table

“15”

Context: 27.5

indicatedPenco Module · yttriumTonnes: 27500000Grade: 245Grade Unit: ppmContained Metal: 6721Contained Unit: tView all details
Link to this fact

Identity

Project
Penco Module
Commodity
yttrium
Region
chile
Reported Region
Biobío Region of southern Chile
Ticker
ARA

Resource Data

Category
indicated
Tonnes
27500000
Grade
245
Grade Unit
ppm
Contained Metal
6721
Contained Unit
t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-04-13T00:00:00.000Z

Reasoning: High confidence Measured and Indicated resource for Yttrium.

Positive factors

  • high M&I proportion
  • significant contained metal

Evidence · table

“245”

Context: 27.5

indicatedPenco Module · gadoliniumTonnes: 27500000Grade: 18Grade Unit: ppmContained Metal: 495Contained Unit: tHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Penco Module
Commodity
gadolinium
Region
chile
Reported Region
Biobío Region of southern Chile
Ticker
ARA

Resource Data

Category
indicated
Tonnes
27500000
Grade
18
Grade Unit
ppm
Contained Metal
495
Contained Unit
t

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes

Dates

Event date
2026-04-13T00:00:00.000Z

Reasoning: High confidence Measured and Indicated resource for Gadolinium.

Positive factors

  • high M&I proportion
  • significant contained metal

Evidence · table

“18”

Context: 27.5

indicatedPenco Module · samariumTonnes: 27500000Grade: 11Grade Unit: ppmContained Metal: 310Contained Unit: tView all details
Link to this fact

Identity

Project
Penco Module
Commodity
samarium
Region
chile
Reported Region
Biobío Region of southern Chile
Ticker
ARA

Resource Data

Category
indicated
Tonnes
27500000
Grade
11
Grade Unit
ppm
Contained Metal
310
Contained Unit
t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-04-13T00:00:00.000Z

Reasoning: High confidence Measured and Indicated resource for Samarium.

Positive factors

  • high M&I proportion
  • significant contained metal

Evidence · table

“11”

Context: 27.5

indicatedPenco Module · rare_earthsTonnes: 27500000Grade: 111Grade Unit: ppmContained Metal: 3046Contained Unit: tView all details
Link to this fact

Identity

Project
Penco Module
Commodity
rare_earths
Region
chile
Reported Region
Biobío Region of southern Chile
Ticker
ARA

Resource Data

Category
indicated
Tonnes
27500000
Grade
111
Grade Unit
ppm
Contained Metal
3046
Contained Unit
t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-04-13T00:00:00.000Z

Reasoning: High confidence Measured and Indicated resource for other Desorbible Rare Earth Oxides.

Positive factors

  • high M&I proportion
  • significant contained metal

Evidence · table

“111”

Context: 27.5

indicatedPenco Module · rare_earthsTonnes: 27500000Grade: 2275Grade Unit: ppmView all details
Link to this fact

Identity

Project
Penco Module
Commodity
rare_earths
Region
chile
Reported Region
Biobío Region of southern Chile
Ticker
ARA

Resource Data

Category
indicated
Tonnes
27500000
Grade
2275
Grade Unit
ppm

Review

Needs Review
No
Historical
No

Dates

Event date
2026-04-13T00:00:00.000Z

Reasoning: High confidence Measured and Indicated resource for Total Rare Earth Oxides.

Positive factors

  • high M&I proportion
  • significant grade

Evidence · table

“2,275”

Context: 27.5

indicatedPenco Module · dysprosiumTonnes: 27500000Grade: 67Grade Unit: ppmView all details
Link to this fact

Identity

Project
Penco Module
Commodity
dysprosium
Region
chile
Reported Region
Biobío Region of southern Chile
Ticker
ARA

Resource Data

Category
indicated
Tonnes
27500000
Grade
67
Grade Unit
ppm

Review

Needs Review
No
Historical
No

Dates

Event date
2026-04-13T00:00:00.000Z

Reasoning: High confidence Measured and Indicated resource for Dysprosium (TREO).

Positive factors

  • high M&I proportion
  • significant grade
  • heavy rare earth

Evidence · table

“67”

Context: 27.5

indicatedPenco Module · terbiumTonnes: 27500000Grade: 10Grade Unit: ppmView all details
Link to this fact

Identity

Project
Penco Module
Commodity
terbium
Region
chile
Reported Region
Biobío Region of southern Chile
Ticker
ARA

Resource Data

Category
indicated
Tonnes
27500000
Grade
10
Grade Unit
ppm

Review

Needs Review
No
Historical
No

Dates

Event date
2026-04-13T00:00:00.000Z

Reasoning: High confidence Measured and Indicated resource for Terbium (TREO).

Positive factors

  • high M&I proportion
  • significant grade
  • heavy rare earth

Evidence · table

“10”

Context: 27.5

indicatedPenco Module · neodymiumTonnes: 27500000Grade: 348Grade Unit: ppmView all details
Link to this fact

Identity

Project
Penco Module
Commodity
neodymium
Region
chile
Reported Region
Biobío Region of southern Chile
Ticker
ARA

Resource Data

Category
indicated
Tonnes
27500000
Grade
348
Grade Unit
ppm

Review

Needs Review
No
Historical
No

Dates

Event date
2026-04-13T00:00:00.000Z

Reasoning: High confidence Measured and Indicated resource for Neodymium (TREO).

Positive factors

  • high M&I proportion
  • significant grade

Evidence · table

“348”

Context: 27.5

indicatedPenco Module · praseodymiumTonnes: 27500000Grade: 93Grade Unit: ppmView all details
Link to this fact

Identity

Project
Penco Module
Commodity
praseodymium
Region
chile
Reported Region
Biobío Region of southern Chile
Ticker
ARA

Resource Data

Category
indicated
Tonnes
27500000
Grade
93
Grade Unit
ppm

Review

Needs Review
No
Historical
No

Dates

Event date
2026-04-13T00:00:00.000Z

Reasoning: High confidence Measured and Indicated resource for Praseodymium (TREO).

Positive factors

  • high M&I proportion
  • significant grade

Evidence · table

“93”

Context: 27.5

indicatedPenco Module · yttriumTonnes: 27500000Grade: 417Grade Unit: ppmView all details
Link to this fact

Identity

Project
Penco Module
Commodity
yttrium
Region
chile
Reported Region
Biobío Region of southern Chile
Ticker
ARA

Resource Data

Category
indicated
Tonnes
27500000
Grade
417
Grade Unit
ppm

Review

Needs Review
No
Historical
No

Dates

Event date
2026-04-13T00:00:00.000Z

Reasoning: High confidence Measured and Indicated resource for Yttrium (TREO).

Positive factors

  • high M&I proportion
  • significant grade

Evidence · table

“417”

Context: 27.5

indicatedPenco Module · gadoliniumTonnes: 27500000Grade: 56Grade Unit: ppmView all details
Link to this fact

Identity

Project
Penco Module
Commodity
gadolinium
Region
chile
Reported Region
Biobío Region of southern Chile
Ticker
ARA

Resource Data

Category
indicated
Tonnes
27500000
Grade
56
Grade Unit
ppm

Review

Needs Review
No
Historical
No

Dates

Event date
2026-04-13T00:00:00.000Z

Reasoning: High confidence Measured and Indicated resource for Gadolinium (TREO).

Positive factors

  • high M&I proportion
  • significant grade

Evidence · table

“56”

Context: 27.5

indicatedPenco Module · samariumTonnes: 27500000Grade: 57Grade Unit: ppmView all details
Link to this fact

Identity

Project
Penco Module
Commodity
samarium
Region
chile
Reported Region
Biobío Region of southern Chile
Ticker
ARA

Resource Data

Category
indicated
Tonnes
27500000
Grade
57
Grade Unit
ppm

Review

Needs Review
No
Historical
No

Dates

Event date
2026-04-13T00:00:00.000Z

Reasoning: High confidence Measured and Indicated resource for Samarium (TREO).

Positive factors

  • high M&I proportion
  • significant grade

Evidence · table

“57”

Context: 27.5

indicatedPenco Module · rare_earthsTonnes: 27500000Grade: 1227Grade Unit: ppmView all details
Link to this fact

Identity

Project
Penco Module
Commodity
rare_earths
Region
chile
Reported Region
Biobío Region of southern Chile
Ticker
ARA

Resource Data

Category
indicated
Tonnes
27500000
Grade
1227
Grade Unit
ppm

Review

Needs Review
No
Historical
No

Dates

Event date
2026-04-13T00:00:00.000Z

Reasoning: High confidence Measured and Indicated resource for other Total Rare Earth Oxides.

Positive factors

  • high M&I proportion
  • significant grade

Evidence · table

“1,227”

Context: 27.5

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.