2023 Diamond Drill Results Iron Lake Magmatic Sulphide Project
Original announcement by tmx on
- Company
- Eastfield Resources Ltd.
- Ticker
- ETF
- Exchange
- TSX
- Region
- British Columbia
- Primary commodity
- Nickel
- Secondary commodities
- Copper, Gold, Platinum, Palladium, Cobalt
- Document categories
- Drill results
- Extracted
- 2026-08-21 11:15:50 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Eastfield Resources reported 2023 diamond drill results from the Iron Lake Project, confirming that mineralization in the Discovery Zone extends to depth. Significant intercepts include 9.5m at 0.42% Cu and 341 ppm Ni in hole IL-23-24, while drilling in the Northwest Zone intersected magnetite-bearing pyroxenite.
Reasoning: Drilling confirmed the magmatic sulphide system at the Discovery Zone remains open to depth with significant Ni-Cu intercepts, though the Northwest Zone hole was less successful.
Positive factors
- mineralization extends to depth
- massive sulphide intersections confirmed
- QA/QC disclosed
Negative factors
- no massive sulphide in Northwest Zone hole
Facts used in scoring: 20

Classification and evidence
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: Release mentions drill supervision, core logging, and QC/QA conducted by Archer, Cathro and Associates, with assays by ActLabs.
Evidence · text
“Drill supervision, core logging and QC/QA was conducted by Archer, Cathro and Associates”
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Drilling confirmed the magmatic sulphide system in the Discovery Zone remains open to depth.
Evidence · text
“confirming that the magmatic sulphide system in the Discovery Zone remains open to depth”
Extracted facts
Stored fact records: 20. Some facts used in scoring do not have a stored record.
Drill Results (20)
IL-23-24Iron Lake · copperGrade: 0.42Grade Unit: %Intercept: 9.5 mView all detailsHide details
Identity
- Hole ID
- IL-23-24
- Project
- Iron Lake
- Commodity
- copper
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- ETF
Geometry
- Grade
- 0.42
- Grade Unit
- %
- Intercept
- 9.5 m
- From
- 569 m
- To
- 578.5 m
Classification
- Sample Type
- drill
- Group ID
- IL-23-24:569.0-578.5
- Mining Method
- underground
QA/QC
- Laboratory
- ActLabs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2023-10-11T00:00:00.000Z
Reasoning: Significant copper intercept in a magmatic sulphide system.
Positive factors
- confirmed continuity to depth
Evidence · table
“0.42”
Context: 9.5
IL-23-24Iron Lake · nickelGrade: 341Grade Unit: ppmIntercept: 9.5 mView all detailsHide details
Identity
- Hole ID
- IL-23-24
- Project
- Iron Lake
- Commodity
- nickel
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- ETF
Geometry
- Grade
- 341
- Grade Unit
- ppm
- Intercept
- 9.5 m
- From
- 569 m
- To
- 578.5 m
Classification
- Sample Type
- drill
- Group ID
- IL-23-24:569.0-578.5
- Mining Method
- underground
QA/QC
- Laboratory
- ActLabs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2023-10-11T00:00:00.000Z
Reasoning: Strong nickel grade accompanying copper in the Discovery Zone.
Positive factors
- high grade nickel for magmatic sulphide
Evidence · text
“341 ppm nickel”
IL-23-24Iron Lake · copperGrade: 1.17Grade Unit: %Intercept: 0.5 mView all detailsHide details
Identity
- Hole ID
- IL-23-24
- Project
- Iron Lake
- Commodity
- copper
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- ETF
Geometry
- Grade
- 1.17
- Grade Unit
- %
- Intercept
- 0.5 m
- From
- 570.8 m
- To
- 571.3 m
Classification
- Sample Type
- drill
- Group ID
- IL-23-24:570.8-571.3
- Mining Method
- underground
QA/QC
- Laboratory
- ActLabs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2023-10-11T00:00:00.000Z
Reasoning: High grade copper sub-interval within the main intercept.
Positive factors
- high grade sub-interval
Evidence · table
“1.17”
Context: 0.5
IL-23-25Iron Lake · nickelGrade: 0.1Grade Unit: %Intercept: 24.1 mView all detailsHide details
Identity
- Hole ID
- IL-23-25
- Project
- Iron Lake
- Commodity
- nickel
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- ETF
Geometry
- Grade
- 0.1
- Grade Unit
- %
- Intercept
- 24.1 m
- From
- 318.2 m
- To
- 342.3 m
Classification
- Sample Type
- drill
- Group ID
- IL-23-25:318.2-342.3
- Mining Method
- unknown
QA/QC
- Laboratory
- ActLabs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2023-10-11T00:00:00.000Z
Reasoning: Wide interval of elevated nickel in magnetite bearing pyroxenite, but lacks massive sulphide.
Positive factors
- consistent nickel in pyroxenite
Negative factors
- no massive sulphides encountered
Evidence · table
“0.10”
Context: 24.1
IL-23-26Iron Lake · copperGrade: 0.65Grade Unit: %Intercept: 0.5 mView all detailsHide details
Identity
- Hole ID
- IL-23-26
- Project
- Iron Lake
- Commodity
- copper
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- ETF
Geometry
- Grade
- 0.65
- Grade Unit
- %
- Intercept
- 0.5 m
- From
- 216 m
- To
- 216.5 m
Classification
- Sample Type
- drill
- Group ID
- IL-23-26:216.0-216.5
- Mining Method
- underground
QA/QC
- Laboratory
- ActLabs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2023-10-11T00:00:00.000Z
Reasoning: Small massive sulphide intersection targeting up-dip projection.
Positive factors
- massive sulphide intersection
Evidence · table
“0.65”
Context: 0.5
IL-23-26Iron Lake · nickelGrade: 0.1Grade Unit: %Intercept: 0.5 mView all detailsHide details
Identity
- Hole ID
- IL-23-26
- Project
- Iron Lake
- Commodity
- nickel
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- ETF
Geometry
- Grade
- 0.1
- Grade Unit
- %
- Intercept
- 0.5 m
- From
- 216 m
- To
- 216.5 m
Classification
- Sample Type
- drill
- Group ID
- IL-23-26:216.0-216.5
- Mining Method
- underground
QA/QC
- Laboratory
- ActLabs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2023-10-11T00:00:00.000Z
Reasoning: Small massive sulphide intersection targeting up-dip projection.
Positive factors
- massive sulphide intersection
Evidence · table
“0.10”
Context: 0.5
IL-23-24Iron Lake · goldGrade: 29Grade Unit: ppbIntercept: 9.5 mView all detailsHide details
Identity
- Hole ID
- IL-23-24
- Project
- Iron Lake
- Commodity
- gold
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- ETF
Geometry
- Grade
- 29
- Grade Unit
- ppb
- Intercept
- 9.5 m
- From
- 569 m
- To
- 578.5 m
Classification
- Sample Type
- drill
- Group ID
- IL-23-24:569-578.5
- Mining Method
- underground
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2023-10-11T00:00:00.000Z
Reasoning: Expanded from assay table: 29 ppb gold, reported in a unit the rubric does not cover (g/t).
Negative factors
- Grade unit ppb does not match the gold rubric unit g/t; not scored.
Evidence · table
“29”
Context: IL-23-24
IL-23-24Iron Lake · platinumGrade: 13Grade Unit: ppbIntercept: 9.5 mView all detailsHide details
Identity
- Hole ID
- IL-23-24
- Project
- Iron Lake
- Commodity
- platinum
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- ETF
Geometry
- Grade
- 13
- Grade Unit
- ppb
- Intercept
- 9.5 m
- From
- 569 m
- To
- 578.5 m
Classification
- Sample Type
- drill
- Group ID
- IL-23-24:569-578.5
- Mining Method
- underground
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2023-10-11T00:00:00.000Z
Reasoning: Expanded from assay table: 13 ppb platinum. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for platinum; intercept not scored.
Evidence · table
“13”
Context: IL-23-24
IL-23-24Iron Lake · palladiumGrade: 31Grade Unit: ppbIntercept: 9.5 mView all detailsHide details
Identity
- Hole ID
- IL-23-24
- Project
- Iron Lake
- Commodity
- palladium
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- ETF
Geometry
- Grade
- 31
- Grade Unit
- ppb
- Intercept
- 9.5 m
- From
- 569 m
- To
- 578.5 m
Classification
- Sample Type
- drill
- Group ID
- IL-23-24:569-578.5
- Mining Method
- underground
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2023-10-11T00:00:00.000Z
Reasoning: Expanded from assay table: 31 ppb palladium. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for palladium; intercept not scored.
Evidence · table
“31”
Context: IL-23-24
IncludingIron Lake · copperGrade: 1.17Grade Unit: %Intercept: 0.5 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Iron Lake
- Commodity
- copper
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- ETF
Geometry
- Grade
- 1.17
- Grade Unit
- %
- Intercept
- 0.5 m
- From
- 570.8 m
- To
- 571.3 m
Classification
- Sample Type
- drill
- Group ID
- Including:570.8-571.3
- Mining Method
- underground
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2023-10-11T00:00:00.000Z
Reasoning: Expanded from assay table. 1.17 % copper is strong against the default band [2.5, 1, 0.5, 0.25] %. Grade×width 0.6 %·m is below (grade alone is strong; the better of the two is used).
Positive factors
- 1.17 % copper is strong on the default band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.17”
Context: Including
IncludingIron Lake · nickelGrade: 0.06Grade Unit: %Intercept: 0.5 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Iron Lake
- Commodity
- nickel
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- ETF
Geometry
- Grade
- 0.06
- Grade Unit
- %
- Intercept
- 0.5 m
- From
- 570.8 m
- To
- 571.3 m
Classification
- Sample Type
- drill
- Group ID
- Including:570.8-571.3
- Mining Method
- underground
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2023-10-11T00:00:00.000Z
Reasoning: Expanded from assay table. 0.06 % nickel is below against the default band [3, 1.5, 0.8, 0.3] %.
Negative factors
- 0.06 % nickel is below the weak threshold (0.3 %) on the default band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.06”
Context: Including
IncludingIron Lake · goldGrade: 39Grade Unit: ppbIntercept: 0.5 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Iron Lake
- Commodity
- gold
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- ETF
Geometry
- Grade
- 39
- Grade Unit
- ppb
- Intercept
- 0.5 m
- From
- 570.8 m
- To
- 571.3 m
Classification
- Sample Type
- drill
- Group ID
- Including:570.8-571.3
- Mining Method
- underground
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2023-10-11T00:00:00.000Z
Reasoning: Expanded from assay table: 39 ppb gold, reported in a unit the rubric does not cover (g/t).
Negative factors
- Grade unit ppb does not match the gold rubric unit g/t; not scored.
Evidence · table
“39”
Context: Including
IncludingIron Lake · platinumGrade: 15Grade Unit: ppbIntercept: 0.5 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Iron Lake
- Commodity
- platinum
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- ETF
Geometry
- Grade
- 15
- Grade Unit
- ppb
- Intercept
- 0.5 m
- From
- 570.8 m
- To
- 571.3 m
Classification
- Sample Type
- drill
- Group ID
- Including:570.8-571.3
- Mining Method
- underground
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2023-10-11T00:00:00.000Z
Reasoning: Expanded from assay table: 15 ppb platinum. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for platinum; intercept not scored.
Evidence · table
“15”
Context: Including
IncludingIron Lake · palladiumGrade: 16Grade Unit: ppbIntercept: 0.5 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Iron Lake
- Commodity
- palladium
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- ETF
Geometry
- Grade
- 16
- Grade Unit
- ppb
- Intercept
- 0.5 m
- From
- 570.8 m
- To
- 571.3 m
Classification
- Sample Type
- drill
- Group ID
- Including:570.8-571.3
- Mining Method
- underground
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2023-10-11T00:00:00.000Z
Reasoning: Expanded from assay table: 16 ppb palladium. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for palladium; intercept not scored.
Evidence · table
“16”
Context: Including
IL-23-25Iron Lake · goldGrade: 7Grade Unit: ppbIntercept: 24.1 mView all detailsHide details
Identity
- Hole ID
- IL-23-25
- Project
- Iron Lake
- Commodity
- gold
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- ETF
Geometry
- Grade
- 7
- Grade Unit
- ppb
- Intercept
- 24.1 m
- From
- 318.2 m
- To
- 342.3 m
Classification
- Sample Type
- drill
- Group ID
- IL-23-25:318.2-342.3
- Mining Method
- underground
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2023-10-11T00:00:00.000Z
Reasoning: Expanded from assay table: 7 ppb gold, reported in a unit the rubric does not cover (g/t).
Negative factors
- Grade unit ppb does not match the gold rubric unit g/t; not scored.
Evidence · table
“7”
Context: IL-23-25
IL-23-25Iron Lake · platinumGrade: 21Grade Unit: ppbIntercept: 24.1 mView all detailsHide details
Identity
- Hole ID
- IL-23-25
- Project
- Iron Lake
- Commodity
- platinum
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- ETF
Geometry
- Grade
- 21
- Grade Unit
- ppb
- Intercept
- 24.1 m
- From
- 318.2 m
- To
- 342.3 m
Classification
- Sample Type
- drill
- Group ID
- IL-23-25:318.2-342.3
- Mining Method
- underground
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2023-10-11T00:00:00.000Z
Reasoning: Expanded from assay table: 21 ppb platinum. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for platinum; intercept not scored.
Evidence · table
“21”
Context: IL-23-25
IL-23-25Iron Lake · palladiumGrade: 5Grade Unit: ppbIntercept: 24.1 mView all detailsHide details
Identity
- Hole ID
- IL-23-25
- Project
- Iron Lake
- Commodity
- palladium
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- ETF
Geometry
- Grade
- 5
- Grade Unit
- ppb
- Intercept
- 24.1 m
- From
- 318.2 m
- To
- 342.3 m
Classification
- Sample Type
- drill
- Group ID
- IL-23-25:318.2-342.3
- Mining Method
- underground
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2023-10-11T00:00:00.000Z
Reasoning: Expanded from assay table: 5 ppb palladium. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for palladium; intercept not scored.
Evidence · table
“<5”
Context: IL-23-25
IL-23-26Iron Lake · goldGrade: 40Grade Unit: ppbIntercept: 0.5 mView all detailsHide details
Identity
- Hole ID
- IL-23-26
- Project
- Iron Lake
- Commodity
- gold
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- ETF
Geometry
- Grade
- 40
- Grade Unit
- ppb
- Intercept
- 0.5 m
- From
- 216 m
- To
- 216.5 m
Classification
- Sample Type
- drill
- Group ID
- IL-23-26:216-216.5
- Mining Method
- underground
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2023-10-11T00:00:00.000Z
Reasoning: Expanded from assay table: 40 ppb gold, reported in a unit the rubric does not cover (g/t).
Negative factors
- Grade unit ppb does not match the gold rubric unit g/t; not scored.
Evidence · table
“40”
Context: IL-23-26
IL-23-26Iron Lake · platinumGrade: 71Grade Unit: ppbIntercept: 0.5 mView all detailsHide details
Identity
- Hole ID
- IL-23-26
- Project
- Iron Lake
- Commodity
- platinum
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- ETF
Geometry
- Grade
- 71
- Grade Unit
- ppb
- Intercept
- 0.5 m
- From
- 216 m
- To
- 216.5 m
Classification
- Sample Type
- drill
- Group ID
- IL-23-26:216-216.5
- Mining Method
- underground
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2023-10-11T00:00:00.000Z
Reasoning: Expanded from assay table: 71 ppb platinum. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for platinum; intercept not scored.
Evidence · table
“71”
Context: IL-23-26
IL-23-26Iron Lake · palladiumGrade: 295Grade Unit: ppbIntercept: 0.5 mView all detailsHide details
Identity
- Hole ID
- IL-23-26
- Project
- Iron Lake
- Commodity
- palladium
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- ETF
Geometry
- Grade
- 295
- Grade Unit
- ppb
- Intercept
- 0.5 m
- From
- 216 m
- To
- 216.5 m
Classification
- Sample Type
- drill
- Group ID
- IL-23-26:216-216.5
- Mining Method
- underground
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2023-10-11T00:00:00.000Z
Reasoning: Expanded from assay table: 295 ppb palladium. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for palladium; intercept not scored.
Evidence · table
“295”
Context: IL-23-26
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.