Stellar’s high-grade tin hit stretches Severn towards Montana

Original announcement by stockhead on

Company
Stellar Resources
Ticker
SRZ
Exchange
Unavailable
Region
western Tasmania
Primary commodity
Tin
Secondary commodities
None reported
Document categories
Drill results, Resource update
Extracted
2026-10-07 05:03:30 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Stellar Resources has reported high-grade tin intercepts from drilling 150m north of its Severn resource in Tasmania. The results, including an intercept of 3.9m at 0.82% Sn, support the geological continuity between the Severn and Montana resources, offering potential for a larger unified deposit.

Reasoning: New high-grade tin intercepts (up to 1.40% Sn) extend the mineralised trend north of the existing Severn resource, suggesting a potential merger of the Severn and Montana deposits.

Positive factors

  • high-grade tin intercepts outside current resource
  • geological continuity between Severn and Montana resources
  • potential for resource scale expansion

Facts used in scoring: 6

Classification and evidence

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: Drilling hit high-grade tin 150m north of the current Severn resource.

Evidence · text

“struck high-grade tin 150m north of its Severn resource”

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: The Montana resource is explicitly stated as being in the Inferred category.

Evidence · text

“Montana... hosts an Inferred resource”

Extracted facts

Stored fact records: 6. Some facts used in scoring do not have a stored record.

Drill Results (4)

ZM194Heemskirk · tinGrade: 0.82Grade Unit: %Intercept: 3.9 mView all details
Link to this fact

Identity

Hole ID
ZM194
Project
Heemskirk
Commodity
tin
Region
australia_tas
Reported Region
australia_tas
Ticker
SRZ

Geometry

Grade
0.82
Grade Unit
%
Intercept
3.9 m
From
206.1 m
To
210 m
Intercept Depth
206.1 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
ZM194:206.1-210
Mining Method
unknown

Location

Location
north of Severn
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-07T00:00:00.000Z

Reasoning: 3.9m at 0.82% Sn is a strong intercept for tin and extends the known mineralisation.

Positive factors

  • high-grade intercept
  • extends resource footprint

Evidence · text

“3.9m at 0.82% Sn from 206.1m”

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

ZM194Heemskirk · tinGrade: 1.4Grade Unit: %Intercept: 2.1 mView all details
Link to this fact

Identity

Hole ID
ZM194
Project
Heemskirk
Commodity
tin
Region
australia_tas
Reported Region
australia_tas
Ticker
SRZ

Geometry

Grade
1.4
Grade Unit
%
Intercept
2.1 m
From
206.1 m
To
208.2 m
Intercept Depth
206.1 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
ZM194:206.1-208.2
Mining Method
unknown

Location

Location
north of Severn
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-07T00:00:00.000Z

Reasoning: High-grade 2.1m at 1.40% Sn within the larger intercept.

Positive factors

  • high-grade sub-interval

Evidence · text

“including 2.1m at 1.40% Sn”

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

ZM194Heemskirk · tinGrade: 0.41Grade Unit: %Intercept: 3.7 mView all details
Link to this fact

Identity

Hole ID
ZM194
Project
Heemskirk
Commodity
tin
Region
australia_tas
Reported Region
australia_tas
Ticker
SRZ

Geometry

Grade
0.41
Grade Unit
%
Intercept
3.7 m
From
214 m
To
217.7 m
Intercept Depth
214 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
ZM194:214-217.7
Mining Method
unknown

Location

Location
north of Severn
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-07T00:00:00.000Z

Reasoning: Secondary zone of mineralisation confirmed.

Positive factors

  • mineralisation confirmed

Evidence · text

“3.7m at 0.41% Sn from 214m”

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

ZM194Heemskirk · tinGrade: 1.39Grade Unit: %Intercept: 0.9 mView all details
Link to this fact

Identity

Hole ID
ZM194
Project
Heemskirk
Commodity
tin
Region
australia_tas
Reported Region
australia_tas
Ticker
SRZ

Geometry

Grade
1.39
Grade Unit
%
Intercept
0.9 m
From
214 m
To
214.9 m
Intercept Depth
214 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
ZM194:214-214.9
Mining Method
unknown

Location

Location
north of Severn
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-07T00:00:00.000Z

Reasoning: High-grade 0.9m at 1.39% Sn within the second zone.

Positive factors

  • high-grade sub-interval

Evidence · text

“including 0.9m at 1.39% Sn”

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

Resource Estimates (2)

indicatedHeemskirk · tinTonnes: 8540000Grade: 0.82Grade Unit: %Contained Metal: 70002Contained Unit: tView all details
Link to this fact

Identity

Project
Heemskirk
Commodity
tin
Region
australia_tas
Reported Region
western Tasmania
Ticker
SRZ

Resource scope

Estimate type
resource
Resource group id
resource:9301de2afd05d404a058
Deposit or zone
Severn

Resource Data

Category
indicated
Tonnes
8540000
Grade
0.82
Grade Unit
%
Contained Metal
70002
Contained Unit
t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-07T00:00:00.000Z

Reasoning: Existing Severn resource provides a solid base for the project.

Positive factors

  • significant tonnage

Evidence · text

“Severn currently hosts 8.54Mt at 0.82% Sn for 70,002t of contained tin”

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

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

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

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

Why it applies: the release names the study this estimate supports

inferredHeemskirk · tinTonnes: 700000Grade: 1.54Grade Unit: %Contained Metal: 10.4Contained Unit: ktView all details
Link to this fact

Identity

Project
Heemskirk
Commodity
tin
Region
australia_tas
Reported Region
western Tasmania
Ticker
SRZ

Resource scope

Estimate type
resource
Resource group id
resource:f532808a1e563b290e2d
Deposit or zone
Montana

Resource Data

Category
inferred
Tonnes
700000
Grade
1.54
Grade Unit
%
Contained Metal
10.4
Contained Unit
kt

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-07T00:00:00.000Z

Reasoning: Montana resource is high grade but limited to the inferred category.

Positive factors

  • high grade

Negative factors

  • inferred category

Evidence · text

“Montana... hosts an Inferred resource of 0.7Mt at 1.54% Sn for 10.4kt of contained tin”

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

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

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

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

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.