PNN: EXCEPTIONAL RESULTS FROM NEW HOLE AT MDF UP TO 40.5% TREO
Original announcement by asx on
- Company
- Power Minerals Limited
- Ticker
- PNN
- Exchange
- ASX
- Region
- Brazil
- Primary commodity
- Rare earths
- Secondary commodities
- Magnet rare earth oxides
- Document categories
- Drill results
- Extracted
- 2026-10-18 23:22:26 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Power Minerals has announced exceptional high-grade rare earth drill results from the new hole MFSR-057 at its Morro do Ferro Project in Brazil. The standout intercept is 1.2m at 40.5% TREO and 7.73% MREO from 42m, representing the highest individual sample grade at the project. This new drilling extends mineralization and confirms continuity, providing crucial data for an upcoming maiden JORC Mineral Resource estimate.
Reasoning: Power Minerals has reported exceptional high-grade rare earth drill results from the new hole MFSR-057 at its Morro do Ferro Project in Brazil, including 1.2m at 40.5% TREO and 7.73% MREO, which is the highest individual sample grade recorded. This new hole, along with other significant broad intercepts, extends known mineralization and provides critical data for an upcoming maiden JORC Mineral Resource estimate, indicating high materiality and novelty. The results are supported by robust QA/QC protocols and a JORC-compliant Competent Person sign-off.
Positive factors
- Exceptional high-grade rare earth intercepts, including the highest individual sample grade at Morro do Ferro to date.
- Broad zones of significant rare earth mineralization from surface.
- New drillhole MFSR-057 extends mineralization and confirms continuity between sections.
- Results support the calculation of a maiden JORC Mineral Resource estimate.
- Comprehensive QA/QC procedures disclosed, including certified lab, blanks, standards, and duplicates.
Negative factors
- Intercept lengths are downhole and may not represent true width.
Facts used in scoring: 54
Classification and evidence
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: The intercept of 1.2m at 40.5% TREO is exceptionally high-grade, well above the deposit-type norm and noted as the highest individual sample at Morro do Ferro.
Evidence · text
“1.2m at 40.5% TREO with 7.73% MREO in whole rock from 42m, the highest individual sample at Morro do Ferro.”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The release details QA/QC procedures including the use of a certified laboratory (SGS Geosol), blind blanks, duplicate samples, and OREAS certified standards.
Evidence · text
“Geochemical analysis for Morro do Ferro's seventh drillhole by Power Minerals was completed by SGS Geosol Laboratory, Vespasiano, Minas Gerais (MG), Brazil. This commercial laboratory is independent and is certified to ISO 9001:2015 and ISO 14001:2015. The laboratory batches included four blind blanks (two were CRM), six blind duplicate samples and six OREAS certified standards. There are also five laboratory repeat analyses by SGS Geosol. All QC results were well within acceptable limits.”
Compositing Transparentpositive
Cut-off grade and internal dilution rules are clearly stated for reported intervals.
Why it applies: The release states that interval results are weighted averages by distance across the full reported length, with no upper or lower cut-offs unless specified.
Evidence · text
“The interval results mentioned in this announcement are weighted averages by distance of all samples across the full reported length, with no upper or lower cut-offs unless specified.”
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 release explicitly states that reported widths are downhole and may not represent true width.
Evidence · text
“widths are downhole and may not represent true width.”
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Drillhole MFSR-057 was located northwest of the Base Section to assess and extend the mineralisation continuity between section lines.
Evidence · text
“REO mineralisation has been extended in depth between section lines, northwest of the initial drilling Base Section”
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: Drillhole MFSR-057 confirms the continuation of high-grade mineralisation between sections, assisting future resource estimation.
Evidence · text
“Confirms the continuation of high-grade mineralisation between sections, assisting future resource estimation”
Maiden Resourceneutral · Story-specific tag
First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component.
Why it applies: The results from MFSR-057 are explicitly stated to help support the calculation of a maiden JORC Mineral Resource estimate.
Evidence · text
“help support the calculation of a maiden JORC Mineral Resource estimate at MdF.”
JORC Compliantpositive · Story-specific tag
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: The information is based on and fairly represents information prepared by a FAusIMM Competent Person as defined in the 2012 Edition of the 'Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves'.
Evidence · text
“Competent Person as defined in the 2012 Edition of the ‘Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves’”
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: Results for drillholes MFSR-051 to MFSR-056 are explicitly stated to have been released in previous ASX announcements.
Evidence · text
“Results for MFSR-051 to MFSR-056 in ASX announcements dated 31 July, 24 and 27 August, 4, 7 and 29 September, and 6 and 14 October 2026.”
Extracted facts
Stored fact records: 54. Some facts used in scoring do not have a stored record.
Drill Results (54)
MFSR-057Morro do Ferro · rare_earthsGrade: 8.25Grade Unit: %Intercept: 111 mView all detailsHide details
Identity
- Hole ID
- MFSR-057
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 8.25
- Grade Unit
- %
- Intercept
- 111 m
- From
- 0 m
- To
- 111 m
- Hole Depth
- 170.5 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-057:0-111
- Mining Method
- open_pit
Location
- Easting
- 341815
- Northing
- 7575923
- CRS
- WGS84, Zone 23 South
- Elevation
- 1524.5 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- 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
- 2026-10-18T00:00:00.000Z
Reasoning: This broad intercept of 111m at 8.25% TREO from surface in a new hole is a strong result, indicating significant mineralization and supporting future resource estimation. The grade is well above the project average for rare earths.
Positive factors
- Broad intercept of high-grade rare earth mineralization from surface.
- Contributes to understanding of mineralization continuity for resource estimation.
Negative factors
- Downhole length, true width not known.
Evidence · table
“8.25”
Context: 111
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-057Morro do Ferro · magnet_rare_earth_oxidesGrade: 1.28Grade Unit: %Intercept: 111 mView all detailsHide details
Identity
- Hole ID
- MFSR-057
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 1.28
- Grade Unit
- %
- Intercept
- 111 m
- From
- 0 m
- To
- 111 m
- Hole Depth
- 170.5 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-057:0-111
- Mining Method
- open_pit
Location
- Easting
- 341815
- Northing
- 7575923
- CRS
- WGS84, Zone 23 South
- Elevation
- 1524.5 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- 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
- 2026-10-18T00:00:00.000Z
Reasoning: This broad intercept of 111m at 1.28% MREO from surface in a new hole is a good result, indicating significant mineralization, though the grade is slightly below the project average for MREO. It supports future resource estimation.
Positive factors
- Broad intercept of magnet rare earth oxides from surface.
- Contributes to understanding of mineralization continuity for resource estimation.
Negative factors
- Grade is slightly below the project average for MREO.
- Downhole length, true width not known.
Evidence · table
“1.28”
Context: 111
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-057Morro do Ferro · rare_earthsGrade: 15.42Grade Unit: %Intercept: 51 mView all detailsHide details
Identity
- Hole ID
- MFSR-057
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 15.42
- Grade Unit
- %
- Intercept
- 51 m
- From
- 24 m
- To
- 75 m
- Hole Depth
- 170.5 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-057:24-75
- Mining Method
- open_pit
Location
- Easting
- 341815
- Northing
- 7575923
- CRS
- WGS84, Zone 23 South
- Elevation
- 1524.5 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- 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
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 51m at 15.42% TREO is a very strong result, with a grade significantly higher than the project's best prior grade, indicating excellent mineralization within the broader zone and supporting resource definition.
Positive factors
- Very high-grade rare earth intercept over a significant width.
- Grade is significantly above the project average and best prior grade for rare earths.
- Contributes to understanding of mineralization continuity for resource estimation.
Negative factors
- Downhole length, true width not known.
Evidence · table
“15.42”
Context: 51
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-057Morro do Ferro · magnet_rare_earth_oxidesGrade: 2.43Grade Unit: %Intercept: 51 mView all detailsHide details
Identity
- Hole ID
- MFSR-057
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 2.43
- Grade Unit
- %
- Intercept
- 51 m
- From
- 24 m
- To
- 75 m
- Hole Depth
- 170.5 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-057:24-75
- Mining Method
- open_pit
Location
- Easting
- 341815
- Northing
- 7575923
- CRS
- WGS84, Zone 23 South
- Elevation
- 1524.5 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- 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
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 51m at 2.43% MREO is a strong result, with a grade significantly above the project average for magnet rare earth oxides, contributing positively to the overall mineralization profile.
Positive factors
- High-grade magnet rare earth oxide intercept over a significant width.
- Grade is above the project average for MREO and close to the best prior grade.
Negative factors
- Downhole length, true width not known.
Evidence · table
“2.43”
Context: 51
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-057Morro do Ferro · rare_earthsGrade: 20.4Grade Unit: %Intercept: 15 mView all detailsHide details
Identity
- Hole ID
- MFSR-057
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 20.4
- Grade Unit
- %
- Intercept
- 15 m
- From
- 42 m
- To
- 57 m
- Hole Depth
- 170.5 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-057:42-57
- Mining Method
- open_pit
Location
- Easting
- 341815
- Northing
- 7575923
- CRS
- WGS84, Zone 23 South
- Elevation
- 1524.5 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- 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
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 15m at 20.4% TREO is a very strong result, with a grade significantly above the project average and close to the best prior grade for rare earths, indicating excellent mineralization.
Positive factors
- Very high-grade rare earth intercept over a good width.
- Grade is significantly above the project average and close to the best prior grade for rare earths.
Negative factors
- Downhole length, true width not known.
Evidence · table
“20.4”
Context: 15
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-057Morro do Ferro · magnet_rare_earth_oxidesGrade: 3Grade Unit: %Intercept: 15 mView all detailsHide details
Identity
- Hole ID
- MFSR-057
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 3
- Grade Unit
- %
- Intercept
- 15 m
- From
- 42 m
- To
- 57 m
- Hole Depth
- 170.5 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-057:42-57
- Mining Method
- open_pit
Location
- Easting
- 341815
- Northing
- 7575923
- CRS
- WGS84, Zone 23 South
- Elevation
- 1524.5 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- 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
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 15m at 3.0% MREO is a strong result, with a grade significantly above the project average for magnet rare earth oxides, contributing positively to the overall mineralization profile.
Positive factors
- High-grade magnet rare earth oxide intercept over a good width.
- Grade is above the project average for MREO and close to the best prior grade.
Negative factors
- Downhole length, true width not known.
Evidence · table
“3.0”
Context: 15
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-057Morro do Ferro · rare_earthsGrade: 40.5Grade Unit: %Intercept: 1.2 mView all detailsHide details
Identity
- Hole ID
- MFSR-057
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 40.5
- Grade Unit
- %
- Intercept
- 1.2 m
- From
- 42 m
- To
- 43.2 m
- Hole Depth
- 170.5 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-057:42-43.2
- Mining Method
- open_pit
Location
- Easting
- 341815
- Northing
- 7575923
- CRS
- WGS84, Zone 23 South
- Elevation
- 1524.5 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- 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
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 1.2m at 40.5% TREO is an exceptional, bonanza-grade result, representing the highest individual sample grade ever recorded at the Morro do Ferro Project, indicating extremely high-grade mineralization.
Positive factors
- Bonanza grade rare earth intercept, highest individual sample at Morro do Ferro.
- Grade is significantly higher than any prior rare earth intercept at the project.
Negative factors
- Narrow intercept length.
- Downhole length, true width not known.
Evidence · table
“40.5”
Context: 1.2
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-057Morro do Ferro · magnet_rare_earth_oxidesGrade: 7.73Grade Unit: %Intercept: 1.2 mView all detailsHide details
Identity
- Hole ID
- MFSR-057
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 7.73
- Grade Unit
- %
- Intercept
- 1.2 m
- From
- 42 m
- To
- 43.2 m
- Hole Depth
- 170.5 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-057:42-43.2
- Mining Method
- open_pit
Location
- Easting
- 341815
- Northing
- 7575923
- CRS
- WGS84, Zone 23 South
- Elevation
- 1524.5 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- 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
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 1.2m at 7.73% MREO is an exceptional, bonanza-grade result, representing the highest individual sample grade ever recorded for magnet rare earth oxides at the Morro do Ferro Project.
Positive factors
- Exceptional high-grade magnet rare earth oxide intercept, highest individual sample at Morro do Ferro.
- Grade is significantly higher than any prior MREO intercept at the project.
Negative factors
- Narrow intercept length.
- Downhole length, true width not known.
Evidence · table
“7.73”
Context: 1.2
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-056Morro do Ferro · rare_earthsGrade: 4.94Grade Unit: %Intercept: 119 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-056
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 4.94
- Grade Unit
- %
- Intercept
- 119 m
- From
- 0 m
- To
- 119 m
- Hole Depth
- 202.2 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-056:0-119
- Mining Method
- open_pit
Location
- Easting
- 341816
- Northing
- 7575970
- CRS
- WGS84, Zone 23 South
- Elevation
- 1534.7 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This broad intercept of 119m at 4.94% TREO is a good width but the grade is below the project average for rare earths. It is a historical result re-reported for context.
Positive factors
- Broad intercept of rare earth mineralization from surface.
Negative factors
- Grade is below the project average for rare earths.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“4.94”
Context: 119
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-056Morro do Ferro · magnet_rare_earth_oxidesGrade: 0.89Grade Unit: %Intercept: 119 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-056
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 0.89
- Grade Unit
- %
- Intercept
- 119 m
- From
- 0 m
- To
- 119 m
- Hole Depth
- 202.2 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-056:0-119
- Mining Method
- open_pit
Location
- Easting
- 341816
- Northing
- 7575970
- CRS
- WGS84, Zone 23 South
- Elevation
- 1534.7 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This broad intercept of 119m at 0.89% MREO is a good width but the grade is below the project average for magnet rare earth oxides. It is a historical result re-reported for context.
Positive factors
- Broad intercept of magnet rare earth oxides from surface.
Negative factors
- Grade is below the project average for MREO.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“0.89”
Context: 119
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-056Morro do Ferro · rare_earthsGrade: 12.31Grade Unit: %Intercept: 10 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-056
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 12.31
- Grade Unit
- %
- Intercept
- 10 m
- From
- 41 m
- To
- 51 m
- Hole Depth
- 202.2 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-056:41-51
- Mining Method
- open_pit
Location
- Easting
- 341816
- Northing
- 7575970
- CRS
- WGS84, Zone 23 South
- Elevation
- 1534.7 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 10m at 12.31% TREO is a strong historical result, with a grade significantly above the project average for rare earths.
Positive factors
- High-grade rare earth intercept over a good width.
- Grade is significantly above the project average for rare earths.
Negative factors
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“12.31”
Context: 10
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-056Morro do Ferro · magnet_rare_earth_oxidesGrade: 1.88Grade Unit: %Intercept: 10 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-056
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 1.88
- Grade Unit
- %
- Intercept
- 10 m
- From
- 41 m
- To
- 51 m
- Hole Depth
- 202.2 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-056:41-51
- Mining Method
- open_pit
Location
- Easting
- 341816
- Northing
- 7575970
- CRS
- WGS84, Zone 23 South
- Elevation
- 1534.7 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 10m at 1.88% MREO is a strong historical result, with a grade above the project average for magnet rare earth oxides.
Positive factors
- High-grade magnet rare earth oxide intercept over a good width.
- Grade is above the project average for MREO.
Negative factors
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“1.88”
Context: 10
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-055Morro do Ferro · rare_earthsGrade: 7.72Grade Unit: %Intercept: 91 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-055
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 7.72
- Grade Unit
- %
- Intercept
- 91 m
- From
- 0 m
- To
- 91 m
- Hole Depth
- 153.7 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-055:0-91
- Mining Method
- open_pit
Location
- Easting
- 341844
- Northing
- 7575890
- CRS
- WGS84, Zone 23 South
- Elevation
- 1513.7 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This broad intercept of 91m at 7.72% TREO is a strong historical result, with a grade above the project average for rare earths.
Positive factors
- Broad intercept of high-grade rare earth mineralization from surface.
- Grade is above the project average for rare earths.
Negative factors
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“7.72”
Context: 91
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-055Morro do Ferro · magnet_rare_earth_oxidesGrade: 1.39Grade Unit: %Intercept: 91 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-055
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 1.39
- Grade Unit
- %
- Intercept
- 91 m
- From
- 0 m
- To
- 91 m
- Hole Depth
- 153.7 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-055:0-91
- Mining Method
- open_pit
Location
- Easting
- 341844
- Northing
- 7575890
- CRS
- WGS84, Zone 23 South
- Elevation
- 1513.7 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This broad intercept of 91m at 1.39% MREO is a good width but the grade is slightly below the project average for magnet rare earth oxides. It is a historical result re-reported for context.
Positive factors
- Broad intercept of magnet rare earth oxides from surface.
Negative factors
- Grade is slightly below the project average for MREO.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“1.39”
Context: 91
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-055Morro do Ferro · rare_earthsGrade: 17.52Grade Unit: %Intercept: 23.1 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-055
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 17.52
- Grade Unit
- %
- Intercept
- 23.1 m
- From
- 13 m
- To
- 36.1 m
- Hole Depth
- 153.7 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-055:13-36.1
- Mining Method
- open_pit
Location
- Easting
- 341844
- Northing
- 7575890
- CRS
- WGS84, Zone 23 South
- Elevation
- 1513.7 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 23.1m at 17.52% TREO is a very strong historical result, with a grade significantly above the project average and close to the best prior grade for rare earths.
Positive factors
- Very high-grade rare earth intercept over a good width.
- Grade is significantly above the project average and close to the best prior grade for rare earths.
Negative factors
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“17.52”
Context: 23.1
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-055Morro do Ferro · magnet_rare_earth_oxidesGrade: 3.2Grade Unit: %Intercept: 23.1 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-055
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 3.2
- Grade Unit
- %
- Intercept
- 23.1 m
- From
- 13 m
- To
- 36.1 m
- Hole Depth
- 153.7 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-055:13-36.1
- Mining Method
- open_pit
Location
- Easting
- 341844
- Northing
- 7575890
- CRS
- WGS84, Zone 23 South
- Elevation
- 1513.7 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 23.1m at 3.2% MREO is a strong historical result, with a grade above the project average for magnet rare earth oxides.
Positive factors
- High-grade magnet rare earth oxide intercept over a good width.
- Grade is above the project average for MREO and close to the best prior grade.
Negative factors
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“3.20”
Context: 23.1
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-055Morro do Ferro · rare_earthsGrade: 22.6Grade Unit: %Intercept: 2 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-055
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 22.6
- Grade Unit
- %
- Intercept
- 2 m
- From
- 25 m
- To
- 27 m
- Hole Depth
- 153.7 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-055:25-27
- Mining Method
- open_pit
Location
- Easting
- 341844
- Northing
- 7575890
- CRS
- WGS84, Zone 23 South
- Elevation
- 1513.7 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 2m at 22.6% TREO is a very strong historical result, with a grade significantly above the project average and close to the best prior grade for rare earths.
Positive factors
- Very high-grade rare earth intercept.
- Grade is significantly above the project average and close to the best prior grade for rare earths.
Negative factors
- Narrow intercept length.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“22.6”
Context: 2
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-055Morro do Ferro · magnet_rare_earth_oxidesGrade: 4.32Grade Unit: %Intercept: 2 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-055
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 4.32
- Grade Unit
- %
- Intercept
- 2 m
- From
- 25 m
- To
- 27 m
- Hole Depth
- 153.7 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-055:25-27
- Mining Method
- open_pit
Location
- Easting
- 341844
- Northing
- 7575890
- CRS
- WGS84, Zone 23 South
- Elevation
- 1513.7 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 2m at 4.32% MREO is a strong historical result, with a grade above the project average for magnet rare earth oxides and close to the best prior grade.
Positive factors
- High-grade magnet rare earth oxide intercept.
- Grade is above the project average for MREO and close to the best prior grade.
Negative factors
- Narrow intercept length.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“4.32”
Context: 2
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-054Morro do Ferro · rare_earthsGrade: 6.33Grade Unit: %Intercept: 88 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-054
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 6.33
- Grade Unit
- %
- Intercept
- 88 m
- From
- 0 m
- To
- 88 m
- Hole Depth
- 253.55 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-054:0-88
- Mining Method
- open_pit
Location
- Easting
- 341805
- Northing
- 7575870
- CRS
- WGS84, Zone 23 South
- Elevation
- 1512.1 m
- Azimuth
- 45 °
- Dip
- -50 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This broad intercept of 88m at 6.33% TREO is a strong historical result, with a grade above the project average for rare earths.
Positive factors
- Broad intercept of high-grade rare earth mineralization from surface.
- Grade is above the project average for rare earths.
Negative factors
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“6.33”
Context: 88
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-054Morro do Ferro · magnet_rare_earth_oxidesGrade: 1.19Grade Unit: %Intercept: 88 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-054
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 1.19
- Grade Unit
- %
- Intercept
- 88 m
- From
- 0 m
- To
- 88 m
- Hole Depth
- 253.55 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-054:0-88
- Mining Method
- open_pit
Location
- Easting
- 341805
- Northing
- 7575870
- CRS
- WGS84, Zone 23 South
- Elevation
- 1512.1 m
- Azimuth
- 45 °
- Dip
- -50 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This broad intercept of 88m at 1.19% MREO is a good width but the grade is below the project average for magnet rare earth oxides. It is a historical result re-reported for context.
Positive factors
- Broad intercept of magnet rare earth oxides from surface.
Negative factors
- Grade is below the project average for MREO.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“1.19”
Context: 88
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-054Morro do Ferro · rare_earthsGrade: 9Grade Unit: %Intercept: 50 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-054
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 9
- Grade Unit
- %
- Intercept
- 50 m
- From
- 0 m
- To
- 50 m
- Hole Depth
- 253.55 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-054:0-50
- Mining Method
- open_pit
Location
- Easting
- 341805
- Northing
- 7575870
- CRS
- WGS84, Zone 23 South
- Elevation
- 1512.1 m
- Azimuth
- 45 °
- Dip
- -50 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 50m at 9.0% TREO is a strong historical result, with a grade above the project average for rare earths.
Positive factors
- High-grade rare earth intercept over a significant width.
- Grade is above the project average for rare earths.
Negative factors
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“9.0”
Context: 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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-054Morro do Ferro · magnet_rare_earth_oxidesGrade: 1.56Grade Unit: %Intercept: 50 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-054
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 1.56
- Grade Unit
- %
- Intercept
- 50 m
- From
- 0 m
- To
- 50 m
- Hole Depth
- 253.55 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-054:0-50
- Mining Method
- open_pit
Location
- Easting
- 341805
- Northing
- 7575870
- CRS
- WGS84, Zone 23 South
- Elevation
- 1512.1 m
- Azimuth
- 45 °
- Dip
- -50 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 50m at 1.56% MREO is a strong historical result, with a grade above the project average for magnet rare earth oxides.
Positive factors
- High-grade magnet rare earth oxide intercept over a significant width.
- Grade is above the project average for MREO.
Negative factors
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“1.56”
Context: 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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-054Morro do Ferro · rare_earthsGrade: 12.05Grade Unit: %Intercept: 20 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-054
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 12.05
- Grade Unit
- %
- Intercept
- 20 m
- From
- 18 m
- To
- 38 m
- Hole Depth
- 253.55 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-054:18-38
- Mining Method
- open_pit
Location
- Easting
- 341805
- Northing
- 7575870
- CRS
- WGS84, Zone 23 South
- Elevation
- 1512.1 m
- Azimuth
- 45 °
- Dip
- -50 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 20m at 12.05% TREO is a strong historical result, with a grade significantly above the project average for rare earths.
Positive factors
- High-grade rare earth intercept over a good width.
- Grade is significantly above the project average for rare earths.
Negative factors
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“12.05”
Context: 20
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-054Morro do Ferro · magnet_rare_earth_oxidesGrade: 2.18Grade Unit: %Intercept: 20 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-054
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 2.18
- Grade Unit
- %
- Intercept
- 20 m
- From
- 18 m
- To
- 38 m
- Hole Depth
- 253.55 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-054:18-38
- Mining Method
- open_pit
Location
- Easting
- 341805
- Northing
- 7575870
- CRS
- WGS84, Zone 23 South
- Elevation
- 1512.1 m
- Azimuth
- 45 °
- Dip
- -50 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 20m at 2.18% MREO is a strong historical result, with a grade above the project average for magnet rare earth oxides.
Positive factors
- High-grade magnet rare earth oxide intercept over a good width.
- Grade is above the project average for MREO.
Negative factors
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“2.18”
Context: 20
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-054Morro do Ferro · rare_earthsGrade: 1.06Grade Unit: %Intercept: 93 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-054
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 1.06
- Grade Unit
- %
- Intercept
- 93 m
- From
- 88 m
- To
- 181 m
- Hole Depth
- 253.55 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-054:88-181
- Mining Method
- open_pit
Location
- Easting
- 341805
- Northing
- 7575870
- CRS
- WGS84, Zone 23 South
- Elevation
- 1512.1 m
- Azimuth
- 45 °
- Dip
- -50 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This broad intercept of 93m at 1.06% TREO is a wide zone but the grade is significantly below the project average for rare earths. It is a historical result re-reported for context.
Positive factors
- Broad intercept of rare earth mineralization.
Negative factors
- Grade is significantly below the project average for rare earths.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“1.06”
Context: 93
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-054Morro do Ferro · magnet_rare_earth_oxidesGrade: 0.23Grade Unit: %Intercept: 93 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-054
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 0.23
- Grade Unit
- %
- Intercept
- 93 m
- From
- 88 m
- To
- 181 m
- Hole Depth
- 253.55 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-054:88-181
- Mining Method
- open_pit
Location
- Easting
- 341805
- Northing
- 7575870
- CRS
- WGS84, Zone 23 South
- Elevation
- 1512.1 m
- Azimuth
- 45 °
- Dip
- -50 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This broad intercept of 93m at 0.23% MREO is a wide zone but the grade is significantly below the project average for magnet rare earth oxides. It is a historical result re-reported for context.
Positive factors
- Broad intercept of magnet rare earth oxides.
Negative factors
- Grade is significantly below the project average for MREO.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“0.23”
Context: 93
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-054Morro do Ferro · rare_earthsGrade: 4.32Grade Unit: %Intercept: 5 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-054
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 4.32
- Grade Unit
- %
- Intercept
- 5 m
- From
- 181 m
- To
- 186 m
- Hole Depth
- 253.55 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-054:181-186
- Mining Method
- open_pit
Location
- Easting
- 341805
- Northing
- 7575870
- CRS
- WGS84, Zone 23 South
- Elevation
- 1512.1 m
- Azimuth
- 45 °
- Dip
- -50 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 5m at 4.32% TREO is a moderate historical result, with a grade below the project average for rare earths. It is re-reported for context.
Positive factors
- Intercept of rare earth mineralization.
Negative factors
- Grade is below the project average for rare earths.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“4.32”
Context: 5
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-054Morro do Ferro · magnet_rare_earth_oxidesGrade: 1.13Grade Unit: %Intercept: 5 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-054
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 1.13
- Grade Unit
- %
- Intercept
- 5 m
- From
- 181 m
- To
- 186 m
- Hole Depth
- 253.55 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-054:181-186
- Mining Method
- open_pit
Location
- Easting
- 341805
- Northing
- 7575870
- CRS
- WGS84, Zone 23 South
- Elevation
- 1512.1 m
- Azimuth
- 45 °
- Dip
- -50 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 5m at 1.13% MREO is a moderate historical result, with a grade below the project average for magnet rare earth oxides. It is re-reported for context.
Positive factors
- Intercept of magnet rare earth oxides.
Negative factors
- Grade is below the project average for MREO.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“1.13”
Context: 5
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-054Morro do Ferro · rare_earthsGrade: 7.85Grade Unit: %Intercept: 2 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-054
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 7.85
- Grade Unit
- %
- Intercept
- 2 m
- From
- 184 m
- To
- 186 m
- Hole Depth
- 253.55 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-054:184-186
- Mining Method
- open_pit
Location
- Easting
- 341805
- Northing
- 7575870
- CRS
- WGS84, Zone 23 South
- Elevation
- 1512.1 m
- Azimuth
- 45 °
- Dip
- -50 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 2m at 7.85% TREO is a strong historical result, with a grade above the project average for rare earths.
Positive factors
- High-grade rare earth intercept.
- Grade is above the project average for rare earths.
Negative factors
- Narrow intercept length.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“7.85”
Context: 2
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-054Morro do Ferro · magnet_rare_earth_oxidesGrade: 2.11Grade Unit: %Intercept: 2 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-054
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 2.11
- Grade Unit
- %
- Intercept
- 2 m
- From
- 184 m
- To
- 186 m
- Hole Depth
- 253.55 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-054:184-186
- Mining Method
- open_pit
Location
- Easting
- 341805
- Northing
- 7575870
- CRS
- WGS84, Zone 23 South
- Elevation
- 1512.1 m
- Azimuth
- 45 °
- Dip
- -50 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 2m at 2.11% MREO is a strong historical result, with a grade above the project average for magnet rare earth oxides.
Positive factors
- High-grade magnet rare earth oxide intercept.
- Grade is above the project average for MREO.
Negative factors
- Narrow intercept length.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“2.11”
Context: 2
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-053Morro do Ferro · rare_earthsGrade: 4.15Grade Unit: %Intercept: 108.55 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-053
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 4.15
- Grade Unit
- %
- Intercept
- 108.55 m
- From
- 0 m
- To
- 119.3 m
- Hole Depth
- 209.55 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-053:0-119.3
- Mining Method
- open_pit
Location
- Easting
- 341834
- Northing
- 7575904
- CRS
- WGS84, Zone 23 South
- Elevation
- 1518.7 m
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This broad intercept of 108.55m at 4.15% TREO is a wide zone but the grade is below the project average for rare earths. It is a historical result re-reported for context.
Positive factors
- Broad intercept of rare earth mineralization from surface.
Negative factors
- Grade is below the project average for rare earths.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“4.15”
Context: 108.55*
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-053Morro do Ferro · magnet_rare_earth_oxidesGrade: 0.82Grade Unit: %Intercept: 108.55 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-053
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 0.82
- Grade Unit
- %
- Intercept
- 108.55 m
- From
- 0 m
- To
- 119.3 m
- Hole Depth
- 209.55 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-053:0-119.3
- Mining Method
- open_pit
Location
- Easting
- 341834
- Northing
- 7575904
- CRS
- WGS84, Zone 23 South
- Elevation
- 1518.7 m
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This broad intercept of 108.55m at 0.82% MREO is a wide zone but the grade is significantly below the project average for magnet rare earth oxides. It is a historical result re-reported for context.
Positive factors
- Broad intercept of magnet rare earth oxides from surface.
Negative factors
- Grade is significantly below the project average for MREO.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“0.82”
Context: 108.55*
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-053Morro do Ferro · rare_earthsGrade: 9.01Grade Unit: %Intercept: 29.25 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-053
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 9.01
- Grade Unit
- %
- Intercept
- 29.25 m
- From
- 0 m
- To
- 35 m
- Hole Depth
- 209.55 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-053:0-35
- Mining Method
- open_pit
Location
- Easting
- 341834
- Northing
- 7575904
- CRS
- WGS84, Zone 23 South
- Elevation
- 1518.7 m
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 29.25m at 9.01% TREO is a strong historical result, with a grade above the project average for rare earths.
Positive factors
- High-grade rare earth intercept over a good width.
- Grade is above the project average for rare earths.
Negative factors
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“9.01”
Context: 29.25*
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-053Morro do Ferro · magnet_rare_earth_oxidesGrade: 1.32Grade Unit: %Intercept: 29.25 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-053
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 1.32
- Grade Unit
- %
- Intercept
- 29.25 m
- From
- 0 m
- To
- 35 m
- Hole Depth
- 209.55 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-053:0-35
- Mining Method
- open_pit
Location
- Easting
- 341834
- Northing
- 7575904
- CRS
- WGS84, Zone 23 South
- Elevation
- 1518.7 m
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 29.25m at 1.32% MREO is a good historical result, with a grade slightly below the project average for magnet rare earth oxides.
Positive factors
- Intercept of magnet rare earth oxides over a good width.
Negative factors
- Grade is slightly below the project average for MREO.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“1.32”
Context: 29.25*
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-053Morro do Ferro · rare_earthsGrade: 9.34Grade Unit: %Intercept: 6.45 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-053
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 9.34
- Grade Unit
- %
- Intercept
- 6.45 m
- From
- 69.55 m
- To
- 76 m
- Hole Depth
- 209.55 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-053:69.55-76
- Mining Method
- open_pit
Location
- Easting
- 341834
- Northing
- 7575904
- CRS
- WGS84, Zone 23 South
- Elevation
- 1518.7 m
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 6.45m at 9.34% TREO is a strong historical result, with a grade above the project average for rare earths.
Positive factors
- High-grade rare earth intercept over a moderate width.
- Grade is above the project average for rare earths.
Negative factors
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“9.34”
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-053Morro do Ferro · magnet_rare_earth_oxidesGrade: 2.87Grade Unit: %Intercept: 6.45 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-053
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 2.87
- Grade Unit
- %
- Intercept
- 6.45 m
- From
- 69.55 m
- To
- 76 m
- Hole Depth
- 209.55 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-053:69.55-76
- Mining Method
- open_pit
Location
- Easting
- 341834
- Northing
- 7575904
- CRS
- WGS84, Zone 23 South
- Elevation
- 1518.7 m
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 6.45m at 2.87% MREO is a strong historical result, with a grade above the project average for magnet rare earth oxides and close to the best prior grade.
Positive factors
- High-grade magnet rare earth oxide intercept over a moderate width.
- Grade is above the project average for MREO and close to the best prior grade.
Negative factors
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“2.87”
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-053Morro do Ferro · rare_earthsGrade: 17.98Grade Unit: %Intercept: 2 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-053
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 17.98
- Grade Unit
- %
- Intercept
- 2 m
- From
- 12 m
- To
- 14 m
- Hole Depth
- 209.55 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-053:12-14
- Mining Method
- open_pit
Location
- Easting
- 341834
- Northing
- 7575904
- CRS
- WGS84, Zone 23 South
- Elevation
- 1518.7 m
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 2m at 17.98% TREO is a very strong historical result, with a grade significantly above the project average and close to the best prior grade for rare earths.
Positive factors
- Very high-grade rare earth intercept.
- Grade is significantly above the project average and close to the best prior grade for rare earths.
Negative factors
- Narrow intercept length.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“17.98”
Context: 2
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-053Morro do Ferro · magnet_rare_earth_oxidesGrade: 1.98Grade Unit: %Intercept: 2 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-053
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 1.98
- Grade Unit
- %
- Intercept
- 2 m
- From
- 12 m
- To
- 14 m
- Hole Depth
- 209.55 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-053:12-14
- Mining Method
- open_pit
Location
- Easting
- 341834
- Northing
- 7575904
- CRS
- WGS84, Zone 23 South
- Elevation
- 1518.7 m
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 2m at 1.98% MREO is a strong historical result, with a grade above the project average for magnet rare earth oxides.
Positive factors
- High-grade magnet rare earth oxide intercept.
- Grade is above the project average for MREO.
Negative factors
- Narrow intercept length.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“1.98”
Context: 2
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-052Morro do Ferro · rare_earthsGrade: 4.31Grade Unit: %Intercept: 137 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-052
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 4.31
- Grade Unit
- %
- Intercept
- 137 m
- From
- 0 m
- To
- 137 m
- Hole Depth
- 173.3 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-052:0-137
- Mining Method
- open_pit
Location
- Easting
- 341820
- Northing
- 7575892
- CRS
- WGS84, Zone 23 South
- Elevation
- 1517.9 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This broad intercept of 137m at 4.31% TREO is a wide zone but the grade is below the project average for rare earths. It is a historical result re-reported for context.
Positive factors
- Broad intercept of rare earth mineralization from surface.
Negative factors
- Grade is below the project average for rare earths.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“4.31”
Context: 137
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-052Morro do Ferro · magnet_rare_earth_oxidesGrade: 0.73Grade Unit: %Intercept: 137 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-052
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 0.73
- Grade Unit
- %
- Intercept
- 137 m
- From
- 0 m
- To
- 137 m
- Hole Depth
- 173.3 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-052:0-137
- Mining Method
- open_pit
Location
- Easting
- 341820
- Northing
- 7575892
- CRS
- WGS84, Zone 23 South
- Elevation
- 1517.9 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This broad intercept of 137m at 0.73% MREO is a wide zone but the grade is significantly below the project average for magnet rare earth oxides. It is a historical result re-reported for context.
Positive factors
- Broad intercept of magnet rare earth oxides from surface.
Negative factors
- Grade is significantly below the project average for MREO.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“0.73”
Context: 137
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-052Morro do Ferro · rare_earthsGrade: 5.45Grade Unit: %Intercept: 105 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-052
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 5.45
- Grade Unit
- %
- Intercept
- 105 m
- From
- 0 m
- To
- 105 m
- Hole Depth
- 173.3 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-052:0-105
- Mining Method
- open_pit
Location
- Easting
- 341820
- Northing
- 7575892
- CRS
- WGS84, Zone 23 South
- Elevation
- 1517.9 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This broad intercept of 105m at 5.45% TREO is a wide zone but the grade is slightly below the project average for rare earths. It is a historical result re-reported for context.
Positive factors
- Broad intercept of rare earth mineralization from surface.
Negative factors
- Grade is slightly below the project average for rare earths.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“5.45”
Context: 105
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-052Morro do Ferro · magnet_rare_earth_oxidesGrade: 0.93Grade Unit: %Intercept: 105 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-052
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 0.93
- Grade Unit
- %
- Intercept
- 105 m
- From
- 0 m
- To
- 105 m
- Hole Depth
- 173.3 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-052:0-105
- Mining Method
- open_pit
Location
- Easting
- 341820
- Northing
- 7575892
- CRS
- WGS84, Zone 23 South
- Elevation
- 1517.9 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This broad intercept of 105m at 0.93% MREO is a wide zone but the grade is below the project average for magnet rare earth oxides. It is a historical result re-reported for context.
Positive factors
- Broad intercept of magnet rare earth oxides from surface.
Negative factors
- Grade is below the project average for MREO.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“0.93”
Context: 105
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-052Morro do Ferro · rare_earthsGrade: 9.87Grade Unit: %Intercept: 53 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-052
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 9.87
- Grade Unit
- %
- Intercept
- 53 m
- From
- 0 m
- To
- 53 m
- Hole Depth
- 173.3 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-052:0-53
- Mining Method
- open_pit
Location
- Easting
- 341820
- Northing
- 7575892
- CRS
- WGS84, Zone 23 South
- Elevation
- 1517.9 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 53m at 9.87% TREO is a strong historical result, with a grade above the project average for rare earths.
Positive factors
- High-grade rare earth intercept over a significant width.
- Grade is above the project average for rare earths.
Negative factors
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“9.87”
Context: 53
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-052Morro do Ferro · magnet_rare_earth_oxidesGrade: 1.69Grade Unit: %Intercept: 53 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-052
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 1.69
- Grade Unit
- %
- Intercept
- 53 m
- From
- 0 m
- To
- 53 m
- Hole Depth
- 173.3 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-052:0-53
- Mining Method
- open_pit
Location
- Easting
- 341820
- Northing
- 7575892
- CRS
- WGS84, Zone 23 South
- Elevation
- 1517.9 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 53m at 1.69% MREO is a strong historical result, with a grade above the project average for magnet rare earth oxides.
Positive factors
- High-grade magnet rare earth oxide intercept over a significant width.
- Grade is above the project average for MREO.
Negative factors
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“1.69”
Context: 53
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-052Morro do Ferro · rare_earthsGrade: 13.04Grade Unit: %Intercept: 26.9 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-052
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 13.04
- Grade Unit
- %
- Intercept
- 26.9 m
- From
- 19 m
- To
- 45.9 m
- Hole Depth
- 173.3 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-052:19-45.9
- Mining Method
- open_pit
Location
- Easting
- 341820
- Northing
- 7575892
- CRS
- WGS84, Zone 23 South
- Elevation
- 1517.9 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 26.9m at 13.04% TREO is a strong historical result, with a grade significantly above the project average for rare earths.
Positive factors
- High-grade rare earth intercept over a good width.
- Grade is significantly above the project average for rare earths.
Negative factors
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“13.04”
Context: 26.9
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-052Morro do Ferro · magnet_rare_earth_oxidesGrade: 2.4Grade Unit: %Intercept: 26.9 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-052
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 2.4
- Grade Unit
- %
- Intercept
- 26.9 m
- From
- 19 m
- To
- 45.9 m
- Hole Depth
- 173.3 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-052:19-45.9
- Mining Method
- open_pit
Location
- Easting
- 341820
- Northing
- 7575892
- CRS
- WGS84, Zone 23 South
- Elevation
- 1517.9 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 26.9m at 2.4% MREO is a strong historical result, with a grade above the project average for magnet rare earth oxides and close to the best prior grade.
Positive factors
- High-grade magnet rare earth oxide intercept over a good width.
- Grade is above the project average for MREO and close to the best prior grade.
Negative factors
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“2.40”
Context: 26.9
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-052Morro do Ferro · rare_earthsGrade: 19.51Grade Unit: %Intercept: 2 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-052
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 19.51
- Grade Unit
- %
- Intercept
- 2 m
- From
- 39 m
- To
- 41 m
- Hole Depth
- 173.3 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-052:39-41
- Mining Method
- open_pit
Location
- Easting
- 341820
- Northing
- 7575892
- CRS
- WGS84, Zone 23 South
- Elevation
- 1517.9 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 2m at 19.51% TREO is a very strong historical result, with a grade significantly above the project average and close to the best prior grade for rare earths.
Positive factors
- Very high-grade rare earth intercept.
- Grade is significantly above the project average and close to the best prior grade for rare earths.
Negative factors
- Narrow intercept length.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“19.51”
Context: 2
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-052Morro do Ferro · magnet_rare_earth_oxidesGrade: 3.96Grade Unit: %Intercept: 2 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-052
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 3.96
- Grade Unit
- %
- Intercept
- 2 m
- From
- 39 m
- To
- 41 m
- Hole Depth
- 173.3 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-052:39-41
- Mining Method
- open_pit
Location
- Easting
- 341820
- Northing
- 7575892
- CRS
- WGS84, Zone 23 South
- Elevation
- 1517.9 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 2m at 3.96% MREO is a strong historical result, with a grade above the project average for magnet rare earth oxides and close to the best prior grade.
Positive factors
- High-grade magnet rare earth oxide intercept.
- Grade is above the project average for MREO and close to the best prior grade.
Negative factors
- Narrow intercept length.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“3.96”
Context: 2
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-051Morro do Ferro · rare_earthsGrade: 4.78Grade Unit: %Intercept: 116 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-051
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 4.78
- Grade Unit
- %
- Intercept
- 116 m
- From
- 0 m
- To
- 116 m
- Hole Depth
- 210.9 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-051:0-116
- Mining Method
- open_pit
Location
- Easting
- 341842
- Northing
- 7575913
- CRS
- WGS84, Zone 23 South
- Elevation
- 1519.3 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This broad intercept of 116m at 4.78% TREO is a wide zone but the grade is below the project average for rare earths. It is a historical result re-reported for context.
Positive factors
- Broad intercept of rare earth mineralization from surface.
Negative factors
- Grade is below the project average for rare earths.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“4.78”
Context: 116
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-051Morro do Ferro · magnet_rare_earth_oxidesGrade: 0.78Grade Unit: %Intercept: 116 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-051
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 0.78
- Grade Unit
- %
- Intercept
- 116 m
- From
- 0 m
- To
- 116 m
- Hole Depth
- 210.9 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-051:0-116
- Mining Method
- open_pit
Location
- Easting
- 341842
- Northing
- 7575913
- CRS
- WGS84, Zone 23 South
- Elevation
- 1519.3 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This broad intercept of 116m at 0.78% MREO is a wide zone but the grade is significantly below the project average for magnet rare earth oxides. It is a historical result re-reported for context.
Positive factors
- Broad intercept of magnet rare earth oxides from surface.
Negative factors
- Grade is significantly below the project average for MREO.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“0.78”
Context: 116
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-051Morro do Ferro · rare_earthsGrade: 10Grade Unit: %Intercept: 31 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-051
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 10
- Grade Unit
- %
- Intercept
- 31 m
- From
- 14 m
- To
- 45 m
- Hole Depth
- 210.9 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-051:14-45
- Mining Method
- open_pit
Location
- Easting
- 341842
- Northing
- 7575913
- CRS
- WGS84, Zone 23 South
- Elevation
- 1519.3 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 31m at 10.0% TREO is a strong historical result, with a grade above the project average for rare earths.
Positive factors
- High-grade rare earth intercept over a good width.
- Grade is above the project average for rare earths.
Negative factors
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“10”
Context: 31
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-051Morro do Ferro · magnet_rare_earth_oxidesGrade: 1.58Grade Unit: %Intercept: 31 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-051
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 1.58
- Grade Unit
- %
- Intercept
- 31 m
- From
- 14 m
- To
- 45 m
- Hole Depth
- 210.9 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-051:14-45
- Mining Method
- open_pit
Location
- Easting
- 341842
- Northing
- 7575913
- CRS
- WGS84, Zone 23 South
- Elevation
- 1519.3 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 31m at 1.58% MREO is a strong historical result, with a grade above the project average for magnet rare earth oxides.
Positive factors
- High-grade magnet rare earth oxide intercept over a good width.
- Grade is above the project average for MREO.
Negative factors
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“1.58”
Context: 31
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-051Morro do Ferro · rare_earthsGrade: 18.12Grade Unit: %Intercept: 2 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-051
- Project
- Morro do Ferro
- Commodity
- rare_earths
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 18.12
- Grade Unit
- %
- Intercept
- 2 m
- From
- 37 m
- To
- 39 m
- Hole Depth
- 210.9 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-051:37-39
- Mining Method
- open_pit
Location
- Easting
- 341842
- Northing
- 7575913
- CRS
- WGS84, Zone 23 South
- Elevation
- 1519.3 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 2m at 18.12% TREO is a very strong historical result, with a grade significantly above the project average and close to the best prior grade for rare earths.
Positive factors
- Very high-grade rare earth intercept.
- Grade is significantly above the project average and close to the best prior grade for rare earths.
Negative factors
- Narrow intercept length.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“18.12”
Context: 2
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MFSR-051Morro do Ferro · magnet_rare_earth_oxidesGrade: 3.66Grade Unit: %Intercept: 2 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MFSR-051
- Project
- Morro do Ferro
- Commodity
- magnet_rare_earth_oxides
- Region
- brazil
- Reported Region
- brazil
- Ticker
- PNN
Geometry
- Grade
- 3.66
- Grade Unit
- %
- Intercept
- 2 m
- From
- 37 m
- To
- 39 m
- Hole Depth
- 210.9 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- resource
- Sample Type
- drill
- Group ID
- MFSR-051:37-39
- Mining Method
- open_pit
Location
- Easting
- 341842
- Northing
- 7575913
- CRS
- WGS84, Zone 23 South
- Elevation
- 1519.3 m
- Azimuth
- 225 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-10-14T00:00:00.000Z
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: This intercept of 2m at 3.66% MREO is a strong historical result, with a grade above the project average for magnet rare earth oxides and close to the best prior grade.
Positive factors
- High-grade magnet rare earth oxide intercept.
- Grade is above the project average for MREO and close to the best prior grade.
Negative factors
- Narrow intercept length.
- Downhole length, true width not known.
- Historical result, re-reported for context.
Evidence · table
“3.66”
Context: 2
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
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.