IMC Rare Earths Discovers New High-Grade, Near-Surface Terbium Zone Beyond Existing 1.1 Billion Tonne Resource at Block H, Itarantim

Original announcement by jmn on

Company
IMC Rare Earths Ltd
Ticker
IMC
Exchange
NYSE American
Region
Brazil
Primary commodity
Rare earth elements
Secondary commodities
Terbium, Dysprosium, Yttrium
Document categories
Drill results, Other
Extracted
2026-10-08 12:27:54 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

IMC Rare Earths has announced a new high-grade, near-surface terbium-rich discovery at Block H of its Itarantim project in Brazil. The discovery, located outside the company's existing 1.1 billion tonne resource, features mineralization starting just two meters below the surface with strong initial leach recoveries.

Reasoning: Discovery of a high-grade terbium-rich zone at Block H, which is entirely outside the existing 1.1 billion tonne resource, represents significant growth potential.

Positive factors

  • High-grade terbium discovery
  • Near-surface mineralization
  • Located outside existing resource
  • Strong initial leach recoveries

Negative factors

  • Single hole discovery
  • Conceptual nature of exploration target

Facts used in scoring: 10

Classification and evidence

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: Block H lies outside the existing 1.1 billion tonne Mineral Resource and has not previously been drill tested.

Evidence · text

“Block H lies outside the Company's existing 1.1 billion tonne Mineral Resource”

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: Release mentions blanks, field duplicates, and certified reference materials.

Evidence · text

“Sample batches include blanks, field duplicates and certified reference materials”

Extracted facts

Stored fact records: 10. Some facts used in scoring do not have a stored record.

Drill Results (10)

AD-00555Itarantim · rare earth elementsGrade: 5695Grade Unit: ppmIntercept: 7 mView all details
Link to this fact

Identity

Hole ID
AD-00555
Project
Itarantim
Commodity
rare earth elements
Region
brazil
Reported Region
brazil
Ticker
IMC

Geometry

Grade
5695
Grade Unit
ppm
Intercept
7 m
From
2 m
To
9 m
Hole Depth
16 m
Intercept Depth
2 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
AD-00555:2-9
Mining Method
unknown

Location

Location
Block H
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-08T00:00:00.000Z

Reasoning: Strong TREO grade in a new area outside the existing resource.

Positive factors

  • High TREO grade
  • Near-surface

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "MORE MINING NEWS Provenance Gold Provides an Update on the First Two Core Holes at Eldorado West, Encountering Numerous "

AD-00555Itarantim · terbiumGrade: 38Grade Unit: ppmIntercept: 7 mView all details
Link to this fact

Identity

Hole ID
AD-00555
Project
Itarantim
Commodity
terbium
Region
brazil
Reported Region
brazil
Ticker
IMC

Geometry

Grade
38
Grade Unit
ppm
Intercept
7 m
From
2 m
To
9 m
Hole Depth
16 m
Intercept Depth
2 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
AD-00555:2-9
Mining Method
unknown

Location

Location
Block H
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-08T00:00:00.000Z

Reasoning: Significant terbium grade in a new discovery zone.

Positive factors

  • High terbium grade

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "MORE MINING NEWS Provenance Gold Provides an Update on the First Two Core Holes at Eldorado West, Encountering Numerous "

AD-00555Itarantim · dysprosiumGrade: 258Grade Unit: ppmIntercept: 7 mView all details
Link to this fact

Identity

Hole ID
AD-00555
Project
Itarantim
Commodity
dysprosium
Region
brazil
Reported Region
brazil
Ticker
IMC

Geometry

Grade
258
Grade Unit
ppm
Intercept
7 m
From
2 m
To
9 m
Hole Depth
16 m
Intercept Depth
2 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
AD-00555:2-9
Mining Method
unknown

Location

Location
Block H
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-08T00:00:00.000Z

Reasoning: Strong dysprosium values contributing to high-value heavy rare earth content.

Positive factors

  • High dysprosium grade

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "MORE MINING NEWS Provenance Gold Provides an Update on the First Two Core Holes at Eldorado West, Encountering Numerous "

AD-00555Itarantim · rare earth elementsGrade: 7841Grade Unit: ppmIntercept: 3 mView all details
Link to this fact

Identity

Hole ID
AD-00555
Project
Itarantim
Commodity
rare earth elements
Region
brazil
Reported Region
brazil
Ticker
IMC

Geometry

Grade
7841
Grade Unit
ppm
Intercept
3 m
From
4 m
To
7 m
Hole Depth
16 m
Intercept Depth
2 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
AD-00555:4-7
Mining Method
unknown

Location

Location
Block H
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-08T00:00:00.000Z

Reasoning: High-grade core within the discovery interval.

Positive factors

  • Very high grade sub-interval

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "MORE MINING NEWS Provenance Gold Provides an Update on the First Two Core Holes at Eldorado West, Encountering Numerous "

AD-00555Itarantim · terbiumGrade: 52Grade Unit: ppmIntercept: 3 mView all details
Link to this fact

Identity

Hole ID
AD-00555
Project
Itarantim
Commodity
terbium
Region
brazil
Reported Region
brazil
Ticker
IMC

Geometry

Grade
52
Grade Unit
ppm
Intercept
3 m
From
4 m
To
7 m
Hole Depth
16 m
Intercept Depth
2 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
AD-00555:4-7
Mining Method
unknown

Location

Location
Block H
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-08T00:00:00.000Z

Reasoning: High-grade terbium sub-interval.

Positive factors

  • High terbium grade

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "MORE MINING NEWS Provenance Gold Provides an Update on the First Two Core Holes at Eldorado West, Encountering Numerous "

AD-00555Itarantim · dysprosiumGrade: 357Grade Unit: ppmIntercept: 3 mView all details
Link to this fact

Identity

Hole ID
AD-00555
Project
Itarantim
Commodity
dysprosium
Region
brazil
Reported Region
brazil
Ticker
IMC

Geometry

Grade
357
Grade Unit
ppm
Intercept
3 m
From
4 m
To
7 m
Hole Depth
16 m
Intercept Depth
2 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
AD-00555:4-7
Mining Method
unknown

Location

Location
Block H
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-08T00:00:00.000Z

Reasoning: High-grade dysprosium sub-interval.

Positive factors

  • High dysprosium grade

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "MORE MINING NEWS Provenance Gold Provides an Update on the First Two Core Holes at Eldorado West, Encountering Numerous "

AD-00403Itarantim · rare earth elementsGrade: 4098Grade Unit: ppmIntercept: 20 mView all details
Link to this fact

Identity

Hole ID
AD-00403
Project
Itarantim
Commodity
rare earth elements
Region
brazil
Reported Region
brazil
Ticker
IMC

Geometry

Grade
4098
Grade Unit
ppm
Intercept
20 m
From
7 m
To
27 m
Intercept Depth
7 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
AD-00403:7-27
Mining Method
unknown

Location

Location
Block D
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-08T00:00:00.000Z

Reasoning: Thick continuous mineralization at Block D.

Positive factors

  • Significant width

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "MORE MINING NEWS Provenance Gold Provides an Update on the First Two Core Holes at Eldorado West, Encountering Numerous "

AD-00403Itarantim · terbiumGrade: 24Grade Unit: ppmIntercept: 20 mView all details
Link to this fact

Identity

Hole ID
AD-00403
Project
Itarantim
Commodity
terbium
Region
brazil
Reported Region
brazil
Ticker
IMC

Geometry

Grade
24
Grade Unit
ppm
Intercept
20 m
From
7 m
To
27 m
Intercept Depth
7 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
AD-00403:7-27
Mining Method
unknown

Location

Location
Block D
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-08T00:00:00.000Z

Reasoning: Terbium grade within the broader interval at Block D.

Positive factors

  • Continuous mineralization

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "MORE MINING NEWS Provenance Gold Provides an Update on the First Two Core Holes at Eldorado West, Encountering Numerous "

AD-00403Itarantim · rare earth elementsGrade: 6574Grade Unit: ppmIntercept: 6 mView all details
Link to this fact

Identity

Hole ID
AD-00403
Project
Itarantim
Commodity
rare earth elements
Region
brazil
Reported Region
brazil
Ticker
IMC

Geometry

Grade
6574
Grade Unit
ppm
Intercept
6 m
From
20 m
To
26 m
Intercept Depth
20 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
AD-00403:20-26
Mining Method
unknown

Location

Location
Block D
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-08T00:00:00.000Z

Reasoning: High-grade core within the Block D interval.

Positive factors

  • High-grade sub-interval

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "MORE MINING NEWS Provenance Gold Provides an Update on the First Two Core Holes at Eldorado West, Encountering Numerous "

AD-00403Itarantim · terbiumGrade: 42Grade Unit: ppmIntercept: 6 mView all details
Link to this fact

Identity

Hole ID
AD-00403
Project
Itarantim
Commodity
terbium
Region
brazil
Reported Region
brazil
Ticker
IMC

Geometry

Grade
42
Grade Unit
ppm
Intercept
6 m
From
20 m
To
26 m
Intercept Depth
20 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
AD-00403:20-26
Mining Method
unknown

Location

Location
Block D
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-08T00:00:00.000Z

Reasoning: High-grade terbium sub-interval at Block D.

Positive factors

  • High terbium grade

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "MORE MINING NEWS Provenance Gold Provides an Update on the First Two Core Holes at Eldorado West, Encountering Numerous "

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.