ESR: Annual Report to shareholders
Original announcement by asx on
- Company
- Estrella Resources Limited
- Ticker
- ESR
- Exchange
- ASX
- Region
- Timor-Leste
- Primary commodity
- Manganese
- Secondary commodities
- Limestone, Nickel, Copper, Silicon dioxide
- Document categories
- Drill results, Resource update, Metallurgy
- Extracted
- 2026-09-30 06:15:08 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Estrella Resources Limited reported a transformational year focused on its Timor-Leste projects, highlighted by high-grade manganese drill results and a successful 27,371-tonne market appraisal extraction at Ira Miri. The company also declared a maiden JORC Inferred Mineral Resource of 621 million tonnes of limestone at Werumata, with significant growth potential. Despite these operational successes, the company recorded a net loss of $23.98 million and impaired $21.13 million in Western Australian nickel exploration assets due to market conditions and a strategic shift to Timor-Leste.
Reasoning: The company achieved significant operational milestones in Timor-Leste, including high-grade manganese drill results, a successful manganese extraction campaign, and a maiden JORC Inferred Mineral Resource for limestone. These achievements demonstrate progress in its primary focus region. However, these positives are offset by a substantial financial loss and a large impairment charge related to its Western Australian nickel assets, reflecting challenging market conditions for nickel and a strategic shift.
Positive factors
- High-grade manganese assays
- Successful market appraisal extraction of manganese
- Maiden JORC Inferred Mineral Resource for Werumata Limestone
- Significant resource growth potential for limestone
- Strong community support and local employment in Timor-Leste
- Exploration success in new regional manganese targets
- Completion of geophysical programs to refine geological models and target deeper drilling
Negative factors
- Significant net loss for the financial year
- Substantial impairment of exploration and evaluation expenditure for WA nickel projects
- Ongoing litigation regarding Mt Edwards Lithium Royalty
- All limestone resource is Inferred category
- Manganese stockpile is awaiting export approval and binding sales agreement
- Future funding risk highlighted in risk management
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 33
Classification and evidence
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The report states that Mr Steve Warriner and Mr Peter Spitalny are Competent Persons as defined in the 2012 Edition of the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves.
Evidence · text
“Each has sufficient experience relevant to the style of mineralisation and type of deposit under consideration, and to the activity being undertaken, to qualify as a Competent Person as defined in the 2012 Edition of the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves.”
Apparent Width Onlynegative
Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.
Why it applies: The drill results are reported as down-hole intersection lengths, with true thickness not yet certain.
Evidence · text
“Down-hole intersection lengths; true thickness is not yet certain, although many drill-holes are interpreted to have intersected the mineralisation at a high angle, in which case stated lengths are likely to be similar to true thickness.”
Favorable Ore Chemistrypositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The manganese ore chemistry is described as favourable with low iron content and silica amenable to beneficiation.
Evidence · text
“The chemistry is favourable. Across EMDD026 to EMDD036 the weighted average grade was 36% Mn with phosphorus of 0.04%, alumina of 5.12%, ferric oxide of 2.00% and silica of 37.08%; across EMDD037 to EMDD040, 31% Mn with phosphorus of 0.03%, alumina of 5.12%, ferric oxide of 2.20% and silica of 41.20%. These characteristics are typical of low-iron, high-silica stratiform manganese deposits formed in marine sedimentary rocks on the continental shelf in a back-arc setting — the same style as the Molango deposit in Mexico and Groote Eylandt in Australia. The low iron content is highly desirable for certain end uses and the silica content is amenable to beneficiation.”
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: The intercept of 1.5m @ 55.1% Mn is exceptionally high-grade for manganese.
Evidence · text
“1.5m @ 55.1% Mn”
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: The intercept of 0.4m @ 58.02% Mn is exceptionally high-grade for manganese.
Evidence · text
“0.4m @ 58.02% Mn”
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: The intercept of 2.5m @ 54.0% Mn is exceptionally high-grade for manganese.
Evidence · text
“2.5m @ 54.0% Mn”
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: The intercept of 2.5m @ 50.8% Mn is exceptionally high-grade for manganese.
Evidence · text
“2.5m @ 50.8% Mn”
Maiden Resourceneutral
First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component.
Why it applies: The company declared a maiden JORC (2012) Inferred Mineral Resource for the Werumata Limestone Project.
Evidence · text
“Declaration on 14 May 2026 of a maiden JORC (2012) Inferred Mineral Resource of 621 million tonnes (central estimate) at Werumata”
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: All products within the Werumata Limestone Mineral Resource are classified as Inferred.
Evidence · text
“all products classified as Inferred”
All Inferrednegative
100% of resource is Inferred category — very early stage, no engineering confidence.
Why it applies: All products within the Werumata Limestone Mineral Resource are classified as Inferred.
Evidence · text
“all products classified as Inferred”
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: The Mineral Resource was reported in accordance with the JORC Code (2012 Edition).
Evidence · text
“Reported in accordance with the JORC Code (2012 Edition)”
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: Mr Robert de Jongh FAusIMM acted as Competent Person for the Mineral Resource estimate.
Evidence · text
“independently estimated by ASEAMCO Pty Ltd with Mr Robert de Jongh FAusIMM acting as Competent Person.”
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: The resource estimate for limestone does not explicitly state a cut-off grade, but rather defines products by their use and composition.
Evidence · text
“The Resource comprises three direct shipping ore products, each requiring only crushing and screening with no further metallurgical processing: Product 1, high-grade limestone suitable for sale as an acid neutralisation agent, of 493 million tonnes at an average acid neutralisation capacity of 83.2%; Product 2, lower-grade limestone suitable for industrial uses including autoclaved aerated concrete blocks, masonry mortar and cement, of 33 million tonnes at an average acid neutralisation capacity of 35.6%; and Product 3, high-silica material suitable for road paving, construction aggregate, road base and rock fill, of 95 million tonnes with an average silicon dioxide content of 58%.”
Favorable Ore Chemistrypositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The Baucau Limestone has low magnesium, alumina and ferric oxide contents, indicating strong potential for industrial applications.
Evidence · text
“The low magnesium, alumina and ferric oxide contents of the Baucau Limestone indicate strong potential for large-scale industrial acid-neutralisation applications.”
No Testworknegative · Story-specific tag
No canonical definition is currently available.
Why it applies: The limestone products are described as 'direct shipping ore products requiring only crushing and screening with no further metallurgical processing', indicating no specific metallurgical testwork beyond basic processing.
Evidence · text
“The Resource comprises three direct shipping ore products, each requiring only crushing and screening with no further metallurgical processing”
No Testworknegative · Story-specific tag
No canonical definition is currently available.
Why it applies: The manganese stockpile is for 'market appraisal extraction' and product characterization, not a formal metallurgical recovery test program.
Evidence · text
“Execution in January 2026 of an agreement with the ANM authorising extraction of up to 30,000 tonnes of high-grade manganese oxide for market appraisal”
Multi-Domain Testedpositive
Variability across ore domains (oxide, transition, fresh) has been addressed.
Why it applies: 6 distinct composites were tested
Extracted facts
Stored fact records: 33. Some facts used in scoring do not have a stored record.
Drill Results (24)
EMDD001Ira Miri · manganeseGrade: 51.7Grade Unit: %Intercept: 6.45 mView all detailsHide details
Identity
- Hole ID
- EMDD001
- Project
- Ira Miri
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- timor-leste
- Ticker
- ESR
Geometry
- Grade
- 51.7
- Grade Unit
- %
- Intercept
- 6.45 m
- From
- 1.35 m
- To
- 7.8 m
- Intercept Depth
- 1.35 m
Classification
- Deposit Type
- sedex
- Program
- exploration
- Sample Type
- drill
- Group ID
- EMDD001:1.35-7.8
- Mining Method
- open_pit
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: High-grade manganese intercept from initial drilling, indicating significant mineralization.
Positive factors
- High grade
- Good width
Negative factors
- Apparent width only
Evidence · table
“51.7”
Context: 6.45
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
EMDD002Ira Miri · manganeseGrade: 53Grade Unit: %Intercept: 8.05 mView all detailsHide details
Identity
- Hole ID
- EMDD002
- Project
- Ira Miri
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- timor-leste
- Ticker
- ESR
Geometry
- Grade
- 53
- Grade Unit
- %
- Intercept
- 8.05 m
- From
- 0.25 m
- To
- 8.3 m
- Intercept Depth
- 0.25 m
Classification
- Deposit Type
- sedex
- Program
- exploration
- Sample Type
- drill
- Group ID
- EMDD002:0.25-8.3
- Mining Method
- open_pit
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Excellent high-grade manganese intercept, twinned to improve recovery, confirming strong mineralization.
Positive factors
- High grade
- Good width
Negative factors
- Apparent width only
Evidence · table
“53.0”
Context: 8.05
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
EMDD003Ira Miri · manganeseGrade: 35.8Grade Unit: %Intercept: 1.5 mView all detailsHide details
Identity
- Hole ID
- EMDD003
- Project
- Ira Miri
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- timor-leste
- Ticker
- ESR
Geometry
- Grade
- 35.8
- Grade Unit
- %
- Intercept
- 1.5 m
- From
- 8.3 m
- To
- 9.8 m
- Intercept Depth
- 8.3 m
Classification
- Deposit Type
- sedex
- Program
- exploration
- Sample Type
- drill
- Group ID
- EMDD003:8.3-9.8
- Mining Method
- open_pit
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Moderate grade manganese intercept, contributing to understanding of the deposit.
Positive factors
- Good grade
Negative factors
- Narrow width
- Apparent width only
Evidence · table
“35.8”
Context: 1.50
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
EMDD022Further assays reported in December 2025 confirmed the scale and quality of the · manganeseGrade: 29.2Grade Unit: %Intercept: 2.9 mView all detailsHide details
Identity
- Hole ID
- EMDD022
- Project
- Further assays reported in December 2025 confirmed the scale and quality of the
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- timor-leste
- Ticker
- ESR
Geometry
- Grade
- 29.2
- Grade Unit
- %
- Intercept
- 2.9 m
- From
- 4.8 m
- To
- 7.7 m
- Intercept Depth
- 4.8 m
Classification
- Deposit Type
- sedex
- Program
- exploration
- Sample Type
- drill
- Group ID
- EMDD022:4.8-7.7
- Mining Method
- open_pit
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Manganese intercept from angled drilling targeting primary horizons.
Positive factors
- Good grade
Negative factors
- Apparent width only
Evidence · text
“2.9m @ 29.2% Mn from 4.80m”
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
EMDD023Further assays reported in December 2025 confirmed the scale and quality of the · manganeseGrade: 13.7Grade Unit: %Intercept: 2 mView all detailsHide details
Identity
- Hole ID
- EMDD023
- Project
- Further assays reported in December 2025 confirmed the scale and quality of the
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- timor-leste
- Ticker
- ESR
Geometry
- Grade
- 13.7
- Grade Unit
- %
- Intercept
- 2 m
- From
- 8.4 m
- To
- 10.4 m
- Intercept Depth
- 8.4 m
Classification
- Deposit Type
- sedex
- Program
- exploration
- Sample Type
- drill
- Group ID
- EMDD023:8.4-10.4
- Mining Method
- open_pit
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Low-grade manganese intercept from angled drilling.
Positive factors
- Confirms mineralization
Negative factors
- Low grade
- Narrow width
- Apparent width only
Evidence · text
“2.0m @ 13.7% Mn from 8.4m”
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
EMDD025Ira Miri · manganeseGrade: 28.2Grade Unit: %Intercept: 1.95 mView all detailsHide details
Identity
- Hole ID
- EMDD025
- Project
- Ira Miri
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- timor-leste
- Ticker
- ESR
Geometry
- Grade
- 28.2
- Grade Unit
- %
- Intercept
- 1.95 m
- From
- 1.3 m
- To
- 3.25 m
- Intercept Depth
- 1.3 m
Classification
- Deposit Type
- sedex
- Program
- exploration
- Sample Type
- drill
- Group ID
- EMDD025:1.3-3.25
- Mining Method
- open_pit
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Manganese intercept from further assays.
Positive factors
- Good grade
Negative factors
- Narrow width
- Apparent width only
Evidence · text
“1.95m @ 28.2% Mn from 1.3m”
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
EMDD026Ira Miri · manganeseGrade: 35.7Grade Unit: %Intercept: 3 mView all detailsHide details
Identity
- Hole ID
- EMDD026
- Project
- Ira Miri
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- timor-leste
- Ticker
- ESR
Geometry
- Grade
- 35.7
- Grade Unit
- %
- Intercept
- 3 m
- From
- 1.4 m
- To
- 4.4 m
- Intercept Depth
- 1.4 m
Classification
- Deposit Type
- sedex
- Program
- exploration
- Sample Type
- drill
- Group ID
- EMDD026:1.4-4.4
- Mining Method
- open_pit
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Strong manganese intercept with a high-grade core.
Positive factors
- High grade
- Good width
- Includes bonanza sub-interval
Negative factors
- Apparent width only
Evidence · text
“3.0m @ 35.7% Mn from 1.4m, incl. 1.5m @ 55.1% Mn”
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
EMDD026Ira Miri · manganeseGrade: 55.1Grade Unit: %Intercept: 1.5 mView all detailsHide details
Identity
- Hole ID
- EMDD026
- Project
- Ira Miri
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- timor-leste
- Ticker
- ESR
Geometry
- Grade
- 55.1
- Grade Unit
- %
- Intercept
- 1.5 m
- From
- 1.4 m
- To
- 2.9 m
- Intercept Depth
- 1.4 m
Classification
- Deposit Type
- sedex
- Program
- exploration
- Sample Type
- drill
- Group ID
- EMDD026:1.4-2.9
- Mining Method
- open_pit
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Exceptionally high-grade manganese sub-interval.
Positive factors
- Bonanza grade
Negative factors
- Narrow width
- Apparent width only
Evidence · text
“1.5m @ 55.1% Mn”
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
EMDD029Ira Miri · manganeseGrade: 31.8Grade Unit: %Intercept: 1.7 mView all detailsHide details
Identity
- Hole ID
- EMDD029
- Project
- Ira Miri
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- timor-leste
- Ticker
- ESR
Geometry
- Grade
- 31.8
- Grade Unit
- %
- Intercept
- 1.7 m
- From
- 14.2 m
- To
- 15.9 m
- Intercept Depth
- 14.2 m
Classification
- Deposit Type
- sedex
- Program
- exploration
- Sample Type
- drill
- Group ID
- EMDD029:14.2-15.9
- Mining Method
- open_pit
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Manganese intercept from further assays.
Positive factors
- Good grade
Negative factors
- Narrow width
- Apparent width only
Evidence · text
“1.7m @ 31.8% Mn from 14.2m”
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
EMDD030Ira Miri · manganeseGrade: 52.6Grade Unit: %Intercept: 1.1 mView all detailsHide details
Identity
- Hole ID
- EMDD030
- Project
- Ira Miri
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- timor-leste
- Ticker
- ESR
Geometry
- Grade
- 52.6
- Grade Unit
- %
- Intercept
- 1.1 m
- From
- 17.3 m
- To
- 18.4 m
- Intercept Depth
- 17.3 m
Classification
- Deposit Type
- sedex
- Program
- exploration
- Sample Type
- drill
- Group ID
- EMDD030:17.3-18.4
- Mining Method
- open_pit
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: High-grade manganese intercept with an exceptionally high-grade core.
Positive factors
- High grade
- Includes bonanza sub-interval
Negative factors
- Narrow width
- Apparent width only
Evidence · text
“1.1m @ 52.6% Mn from 17.3m, incl. 0.4m @ 58.02% Mn”
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
EMDD030Ira Miri · manganeseGrade: 58.02Grade Unit: %Intercept: 0.4 mView all detailsHide details
Identity
- Hole ID
- EMDD030
- Project
- Ira Miri
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- timor-leste
- Ticker
- ESR
Geometry
- Grade
- 58.02
- Grade Unit
- %
- Intercept
- 0.4 m
- From
- 17.3 m
- To
- 17.7 m
- Intercept Depth
- 17.3 m
Classification
- Deposit Type
- sedex
- Program
- exploration
- Sample Type
- drill
- Group ID
- EMDD030:17.3-17.7
- Mining Method
- open_pit
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Exceptionally high-grade manganese sub-interval.
Positive factors
- Bonanza grade
Negative factors
- Very narrow width
- Apparent width only
Evidence · text
“0.4m @ 58.02% Mn”
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
EMDD031Ira Miri · manganeseGrade: 25.7Grade Unit: %Intercept: 4 mView all detailsHide details
Identity
- Hole ID
- EMDD031
- Project
- Ira Miri
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- timor-leste
- Ticker
- ESR
Geometry
- Grade
- 25.7
- Grade Unit
- %
- Intercept
- 4 m
- From
- 9.2 m
- To
- 13.2 m
- Intercept Depth
- 9.2 m
Classification
- Deposit Type
- sedex
- Program
- exploration
- Sample Type
- drill
- Group ID
- EMDD031:9.2-13.2
- Mining Method
- open_pit
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Manganese intercept from further assays.
Positive factors
- Good width
- Good grade
Negative factors
- Apparent width only
Evidence · text
“4.0m @ 25.7% Mn from 9.2m”
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
EMDD031Ira Miri · manganeseGrade: 49.6Grade Unit: %Intercept: 1.05 mView all detailsHide details
Identity
- Hole ID
- EMDD031
- Project
- Ira Miri
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- timor-leste
- Ticker
- ESR
Geometry
- Grade
- 49.6
- Grade Unit
- %
- Intercept
- 1.05 m
- From
- 15.9 m
- To
- 16.95 m
- Intercept Depth
- 15.9 m
Classification
- Deposit Type
- sedex
- Program
- exploration
- Sample Type
- drill
- Group ID
- EMDD031:15.9-16.95
- Mining Method
- open_pit
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: High-grade manganese intercept from further assays.
Positive factors
- High grade
Negative factors
- Narrow width
- Apparent width only
Evidence · text
“1.05m @ 49.6% Mn from 15.9m”
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
EMDD032Ira Miri · manganeseGrade: 24.7Grade Unit: %Intercept: 1.9 mView all detailsHide details
Identity
- Hole ID
- EMDD032
- Project
- Ira Miri
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- timor-leste
- Ticker
- ESR
Geometry
- Grade
- 24.7
- Grade Unit
- %
- Intercept
- 1.9 m
- From
- 5.1 m
- To
- 7 m
- Intercept Depth
- 5.1 m
Classification
- Deposit Type
- sedex
- Program
- exploration
- Sample Type
- drill
- Group ID
- EMDD032:5.1-7
- Mining Method
- open_pit
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Manganese intercept from further assays.
Positive factors
- Good grade
Negative factors
- Narrow width
- Apparent width only
Evidence · text
“1.9m @ 24.7% Mn from 5.1m”
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
EMDD032Ira Miri · manganeseGrade: 21.5Grade Unit: %Intercept: 5.7 mView all detailsHide details
Identity
- Hole ID
- EMDD032
- Project
- Ira Miri
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- timor-leste
- Ticker
- ESR
Geometry
- Grade
- 21.5
- Grade Unit
- %
- Intercept
- 5.7 m
- From
- 8.6 m
- To
- 14.3 m
- Intercept Depth
- 8.6 m
Classification
- Deposit Type
- sedex
- Program
- exploration
- Sample Type
- drill
- Group ID
- EMDD032:8.6-14.3
- Mining Method
- open_pit
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Manganese intercept from further assays.
Positive factors
- Good width
- Good grade
Negative factors
- Apparent width only
Evidence · text
“5.7m @ 21.5% Mn from 8.6m”
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
EMDD033Ira Miri · manganeseGrade: 28.9Grade Unit: %Intercept: 11.97 mView all detailsHide details
Identity
- Hole ID
- EMDD033
- Project
- Ira Miri
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- timor-leste
- Ticker
- ESR
Geometry
- Grade
- 28.9
- Grade Unit
- %
- Intercept
- 11.97 m
- From
- 5.13 m
- To
- 17.1 m
- Intercept Depth
- 5.13 m
Classification
- Deposit Type
- sedex
- Program
- exploration
- Sample Type
- drill
- Group ID
- EMDD033:5.13-17.1
- Mining Method
- open_pit
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Significant manganese intercept from further assays.
Positive factors
- Good width
- Good grade
Negative factors
- Apparent width only
Evidence · text
“11.97m @ 28.9% Mn from 5.13m”
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
EMDD033Ira Miri · manganeseGrade: 46.78Grade Unit: %Intercept: 2.1 mView all detailsHide details
Identity
- Hole ID
- EMDD033
- Project
- Ira Miri
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- timor-leste
- Ticker
- ESR
Geometry
- Grade
- 46.78
- Grade Unit
- %
- Intercept
- 2.1 m
- From
- 7.7 m
- To
- 9.8 m
- Intercept Depth
- 7.7 m
Classification
- Deposit Type
- sedex
- Program
- exploration
- Sample Type
- drill
- Group ID
- EMDD033:7.7-9.8
- Mining Method
- open_pit
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: High-grade manganese intercept from further assays.
Positive factors
- High grade
Negative factors
- Narrow width
- Apparent width only
Evidence · text
“2.1m @ 46.78% Mn from 7.7m”
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
EMDD034Ira Miri · manganeseGrade: 17.9Grade Unit: %Intercept: 4.2 mView all detailsHide details
Identity
- Hole ID
- EMDD034
- Project
- Ira Miri
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- timor-leste
- Ticker
- ESR
Geometry
- Grade
- 17.9
- Grade Unit
- %
- Intercept
- 4.2 m
- From
- 8.8 m
- To
- 13 m
- Intercept Depth
- 8.8 m
Classification
- Deposit Type
- sedex
- Program
- exploration
- Sample Type
- drill
- Group ID
- EMDD034:8.8-13
- Mining Method
- open_pit
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Manganese intercept from further assays.
Positive factors
- Good width
Negative factors
- Moderate grade
- Apparent width only
Evidence · text
“4.2m @ 17.9% Mn from 8.8m”
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
EMDD037Ira Miri · manganeseGrade: 13.4Grade Unit: %Intercept: 1.5 mView all detailsHide details
Identity
- Hole ID
- EMDD037
- Project
- Ira Miri
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- timor-leste
- Ticker
- ESR
Geometry
- Grade
- 13.4
- Grade Unit
- %
- Intercept
- 1.5 m
- From
- 11.5 m
- To
- 13 m
- Intercept Depth
- 11.5 m
Classification
- Deposit Type
- sedex
- Program
- exploration
- Sample Type
- drill
- Group ID
- EMDD037:11.5-13
- Mining Method
- open_pit
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Low-grade manganese intercept from further assays.
Positive factors
- Confirms mineralization
Negative factors
- Low grade
- Narrow width
- Apparent width only
Evidence · text
“1.5m @ 13.4% Mn from 11.5m”
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
EMDD038Ira Miri · manganeseGrade: 17.3Grade Unit: %Intercept: 8 mView all detailsHide details
Identity
- Hole ID
- EMDD038
- Project
- Ira Miri
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- timor-leste
- Ticker
- ESR
Geometry
- Grade
- 17.3
- Grade Unit
- %
- Intercept
- 8 m
- From
- 4 m
- To
- 12 m
- Intercept Depth
- 4 m
Classification
- Deposit Type
- sedex
- Program
- exploration
- Sample Type
- drill
- Group ID
- EMDD038:4-12
- Mining Method
- open_pit
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Manganese intercept from further assays.
Positive factors
- Good width
Negative factors
- Moderate grade
- Apparent width only
Evidence · text
“8.0m @ 17.3% Mn from 4.0m”
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
EMDD039Ira Miri · manganeseGrade: 39.6Grade Unit: %Intercept: 5.2 mView all detailsHide details
Identity
- Hole ID
- EMDD039
- Project
- Ira Miri
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- timor-leste
- Ticker
- ESR
Geometry
- Grade
- 39.6
- Grade Unit
- %
- Intercept
- 5.2 m
- From
- 9.5 m
- To
- 14.7 m
- Intercept Depth
- 9.5 m
Classification
- Deposit Type
- sedex
- Program
- exploration
- Sample Type
- drill
- Group ID
- EMDD039:9.5-14.7
- Mining Method
- open_pit
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Strong manganese intercept with a high-grade core.
Positive factors
- High grade
- Good width
- Includes bonanza sub-interval
Negative factors
- Apparent width only
Evidence · text
“5.2m @ 39.6% Mn from 9.5m, incl. 2.5m @ 54.0% Mn”
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
EMDD039Ira Miri · manganeseGrade: 54Grade Unit: %Intercept: 2.5 mView all detailsHide details
Identity
- Hole ID
- EMDD039
- Project
- Ira Miri
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- timor-leste
- Ticker
- ESR
Geometry
- Grade
- 54
- Grade Unit
- %
- Intercept
- 2.5 m
- From
- 9.5 m
- To
- 12 m
- Intercept Depth
- 9.5 m
Classification
- Deposit Type
- sedex
- Program
- exploration
- Sample Type
- drill
- Group ID
- EMDD039:9.5-12
- Mining Method
- open_pit
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Exceptionally high-grade manganese sub-interval.
Positive factors
- Bonanza grade
Negative factors
- Narrow width
- Apparent width only
Evidence · text
“2.5m @ 54.0% Mn”
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
EMDD040Ira Miri · manganeseGrade: 45.3Grade Unit: %Intercept: 6.2 mView all detailsHide details
Identity
- Hole ID
- EMDD040
- Project
- Ira Miri
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- timor-leste
- Ticker
- ESR
Geometry
- Grade
- 45.3
- Grade Unit
- %
- Intercept
- 6.2 m
- From
- 11.2 m
- To
- 17.4 m
- Intercept Depth
- 11.2 m
Classification
- Deposit Type
- sedex
- Program
- exploration
- Sample Type
- drill
- Group ID
- EMDD040:11.2-17.4
- Mining Method
- open_pit
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Strong manganese intercept with a high-grade core.
Positive factors
- High grade
- Good width
- Includes bonanza sub-interval
Negative factors
- Apparent width only
Evidence · text
“6.2m @ 45.3% Mn from 11.2m, incl. 2.5m @ 50.8% Mn”
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
EMDD040Ira Miri · manganeseGrade: 50.8Grade Unit: %Intercept: 2.5 mView all detailsHide details
Identity
- Hole ID
- EMDD040
- Project
- Ira Miri
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- timor-leste
- Ticker
- ESR
Geometry
- Grade
- 50.8
- Grade Unit
- %
- Intercept
- 2.5 m
- From
- 11.2 m
- To
- 13.7 m
- Intercept Depth
- 11.2 m
Classification
- Deposit Type
- sedex
- Program
- exploration
- Sample Type
- drill
- Group ID
- EMDD040:11.2-13.7
- Mining Method
- open_pit
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Exceptionally high-grade manganese sub-interval.
Positive factors
- Bonanza grade
Negative factors
- Narrow width
- Apparent width only
Evidence · text
“2.5m @ 50.8% Mn”
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 (3)
inferredWerumata Limestone Project · limestoneTonnes: 493000000Grade: 83.2Grade Unit: %View all detailsHide details
Identity
- Project
- Werumata Limestone Project
- Commodity
- limestone
- Region
- timor-leste
- Reported Region
- Timor-Leste
- Ticker
- ESR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Robert de Jongh FAusIMM
- Resource group id
- resource:eff071b6e4ae813a25f3
- Deposit or zone
- Product 1 (Acid neutralisation)
Resource Data
- Category
- inferred
- Tonnes
- 493000000
- Grade
- 83.2
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-05-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Large maiden Inferred Resource for high-grade acid neutralisation limestone.
Positive factors
- Large tonnage
- High grade
- Maiden resource
Negative factors
- Inferred category
- Cut-off undisclosed
Evidence · table
“493”
Context: Central estimate
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
inferredWerumata Limestone Project · limestoneTonnes: 33000000Grade: 35.6Grade Unit: %View all detailsHide details
Identity
- Project
- Werumata Limestone Project
- Commodity
- limestone
- Region
- timor-leste
- Reported Region
- Timor-Leste
- Ticker
- ESR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Robert de Jongh FAusIMM
- Resource group id
- resource:631573ed4ec51cd58ab6
- Deposit or zone
- Product 2 (Industrial uses)
Resource Data
- Category
- inferred
- Tonnes
- 33000000
- Grade
- 35.6
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-05-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Maiden Inferred Resource for industrial use limestone.
Positive factors
- Good tonnage
- Maiden resource
Negative factors
- Inferred category
- Cut-off undisclosed
Evidence · table
“33”
Context: Central estimate
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
inferredWerumata Limestone Project · silicon dioxideTonnes: 95000000Grade: 58Grade Unit: %View all detailsHide details
Identity
- Project
- Werumata Limestone Project
- Commodity
- silicon dioxide
- Region
- timor-leste
- Reported Region
- Timor-Leste
- Ticker
- ESR
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Mr Robert de Jongh FAusIMM
- Resource group id
- resource:88fd40ad94aa2f61d169
- Deposit or zone
- Product 3 (Road base & fill)
Resource Data
- Category
- inferred
- Tonnes
- 95000000
- Grade
- 58
- Grade Unit
- %
Prior Estimate
- Resource Date
- 2026-05-14
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Maiden Inferred Resource for high-silica material suitable for road base and fill.
Positive factors
- Good tonnage
- Maiden resource
Negative factors
- Inferred category
- Cut-off undisclosed
Evidence · table
“95”
Context: Central estimate
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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Metallurgical Results (6)
bulkIra Miri Manganese Project · manganeseHead Grade: 49.38Head Grade Unit: %View all detailsHide details
Identity
- Project
- Ira Miri Manganese Project
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- Timor-Leste
- Ticker
- ESR
Test Work
- Program Status
- preliminary
- Test Type
- bulk
- Sample
- High-Grade stockpile
Recovery
- Head Grade
- 49.38
- Head Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: High-grade manganese stockpile from market appraisal extraction, with favorable chemistry.
Positive factors
- High grade
- Significant tonnage
- Low impurities
Negative factors
- Awaiting sales agreement
Evidence · table
“4,984”
Context: High-Grade
bulkIra Miri Manganese Project · manganeseHead Grade: 35.87Head Grade Unit: %View all detailsHide details
Identity
- Project
- Ira Miri Manganese Project
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- Timor-Leste
- Ticker
- ESR
Test Work
- Program Status
- preliminary
- Test Type
- bulk
- Sample
- Med-Grade stockpile
Recovery
- Head Grade
- 35.87
- Head Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Medium-grade manganese stockpile from market appraisal extraction.
Positive factors
- Good grade
- Significant tonnage
Negative factors
- Awaiting sales agreement
Evidence · table
“6,065”
Context: Med-Grade
bulkIra Miri Manganese Project · manganeseHead Grade: 23.87Head Grade Unit: %View all detailsHide details
Identity
- Project
- Ira Miri Manganese Project
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- Timor-Leste
- Ticker
- ESR
Test Work
- Program Status
- preliminary
- Test Type
- bulk
- Sample
- Med-Low Grade stockpile
Recovery
- Head Grade
- 23.87
- Head Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Medium-low grade manganese stockpile from market appraisal extraction.
Positive factors
- Good tonnage
Negative factors
- Moderate grade
- Awaiting sales agreement
Evidence · table
“4,675”
Context: Med-Low Grade
bulkIra Miri Manganese Project · manganeseHead Grade: 20.57Head Grade Unit: %View all detailsHide details
Identity
- Project
- Ira Miri Manganese Project
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- Timor-Leste
- Ticker
- ESR
Test Work
- Program Status
- preliminary
- Test Type
- bulk
- Sample
- Low-Grade stockpile
Recovery
- Head Grade
- 20.57
- Head Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Low-grade manganese stockpile from market appraisal extraction.
Positive factors
- Significant tonnage
Negative factors
- Moderate grade
- Awaiting sales agreement
Evidence · table
“11,647”
Context: Low-Grade
bulkIra Miri Manganese Project · manganeseHead Grade: 28.64Head Grade Unit: %View all detailsHide details
Identity
- Project
- Ira Miri Manganese Project
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- Timor-Leste
- Ticker
- ESR
Test Work
- Program Status
- preliminary
- Test Type
- bulk
- Sample
- Total Ore stockpile
Recovery
- Head Grade
- 28.64
- Head Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Total manganese ore stockpile from market appraisal extraction.
Positive factors
- Significant total tonnage
- Good average grade
Negative factors
- Awaiting sales agreement
Evidence · table
“27,371”
Context: Total Ore
bulkIra Miri Manganese Project · manganeseHead Grade: 20.78Head Grade Unit: %View all detailsHide details
Identity
- Project
- Ira Miri Manganese Project
- Commodity
- manganese
- Region
- timor-leste
- Reported Region
- Timor-Leste
- Ticker
- ESR
Test Work
- Program Status
- preliminary
- Test Type
- bulk
- Sample
- Mineralised Waste stockpile
Recovery
- Head Grade
- 20.78
- Head Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-30T00:00:00.000Z
Reasoning: Mineralized waste stockpile from market appraisal extraction.
Positive factors
- Additional mineralized material
Negative factors
- Lower grade
- Awaiting sales agreement
Evidence · table
“6,291”
Context: Mineralised Waste
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.