Whistlejacket Lithium Project
Original announcement by lse on
- Company
- Bradda Head Lithium Limited
- Ticker
- BHL
- Exchange
- LSE
- Region
- Arizona
- Primary commodity
- Lithium
- Secondary commodities
- Tantalum, Niobium, Beryllium, Cesium, Rubidium, Bismuth
- Document categories
- Drill results
- Extracted
- 2026-10-13 08:48:12 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Bradda Head Lithium has reported maiden assay results from its first drill hole (WSTL0020) at the Whistlejacket Lithium Project in Arizona. The hole returned a 31.8m interval at 1.07% Li2O, including a higher-grade 20.47m section at 1.33% Li2O, validating previous visual spodumene logging.
Reasoning: First maiden assay results from the Whistlejacket project confirm the presence of a broad, consistent lithium-cesium-tantalum (LCT) mineralized body with grades exceeding previous visual estimates.
Positive factors
- Maiden assay results confirm visual spodumene mineralization
- Strong lithium-cesium-tantalum (LCT) pathfinder suite present
- Consistent grades across a broad 31.8m zone
- High-grade sub-interval of 1.33% Li2O
- QA/QC protocols disclosed with certified lab and QP sign-off
Negative factors
- True widths not yet determined
Facts used in scoring: 5
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 includes details on certified reference materials, blanks, and laboratory (SGS) procedures.
Evidence · text
“Certified reference materials and blanks were inserted into the sample stream as part of the Company's QA/QC procedures”
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 document explicitly states that true widths have not yet been determined.
Evidence · text
“All reported intervals are downhole lengths. True widths have not yet been determined.”
Extracted facts
Stored fact records: 5. Some facts used in scoring do not have a stored record.
Drill Results (5)
WSTL0020Whistlejacket · lithiumGrade: 1.07Grade Unit: %Intercept: 31.8 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- WSTL0020
- Project
- Whistlejacket
- Commodity
- lithium
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- BHL
Geometry
- Grade
- 1.07
- Grade Unit
- %
- Intercept
- 31.8 m
- From
- 161.85 m
- To
- 193.65 m
- Intercept Depth
- 161.85 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- WSTL0020:161.85-193.65
- Mining Method
- unknown
Location
- Loc. Confidence
- medium
QA/QC
- Laboratory
- SGS Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2026-10-13T00:00:00.000Z
Reasoning: Primary mineralized interval confirming the presence of the spodumene pegmatite.
Positive factors
- Maiden assay results
- Consistent grades over 30m
Evidence · text
“Mineralized body returned a length-weighted average grade of 1.07% Li₂O over 31.8m”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
WSTL0020Whistlejacket · lithiumGrade: 1.33Grade Unit: %Intercept: 20.47 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- WSTL0020
- Project
- Whistlejacket
- Commodity
- lithium
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- BHL
Geometry
- Grade
- 1.33
- Grade Unit
- %
- Intercept
- 20.47 m
- From
- 161.85 m
- To
- 193.65 m
- Intercept Depth
- 161.85 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- WSTL0020:161.85-193.65
- Mining Method
- unknown
Location
- Loc. Confidence
- medium
QA/QC
- Laboratory
- SGS Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2026-10-13T00:00:00.000Z
Reasoning: Significant higher-grade portion of the main mineralized intercept.
Positive factors
- Higher-grade sub-interval
Evidence · text
“including a higher-grade 20.47m interval grading 1.33% Li₂O”
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
WSTL0020Whistlejacket · lithiumGrade: 2Grade Unit: %Intercept: 1.6 mView all detailsHide details
Identity
- Hole ID
- WSTL0020
- Project
- Whistlejacket
- Commodity
- lithium
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- BHL
Geometry
- Grade
- 2
- Grade Unit
- %
- Intercept
- 1.6 m
- From
- 186.2 m
- To
- 187.8 m
- Intercept Depth
- 186.2 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- WSTL0020:186.2-187.8
- Mining Method
- unknown
Location
- Loc. Confidence
- medium
QA/QC
- Laboratory
- SGS Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-10-13T00:00:00.000Z
Reasoning: Single highest-grade sample within the intercept.
Positive factors
- Highest-grade sample
Evidence · text
“single highest-grade sample is 186.2m-187.8m (1.6m), returning 9,282 ppm Li (2.00% Li₂O)”
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
WSTL0020Whistlejacket · lithiumGrade: 1.07Grade Unit: %Intercept: 2.49 mView all detailsHide details
Identity
- Hole ID
- WSTL0020
- Project
- Whistlejacket
- Commodity
- lithium
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- BHL
Geometry
- Grade
- 1.07
- Grade Unit
- %
- Intercept
- 2.49 m
- From
- 45.75 m
- To
- 48.24 m
- Intercept Depth
- 45.75 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- WSTL0020:45.75-48.24
- Mining Method
- unknown
Location
- Loc. Confidence
- medium
QA/QC
- Laboratory
- SGS Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-10-13T00:00:00.000Z
Reasoning: Narrower pegmatite interval higher in the hole.
Positive factors
- Comparable grade to main body
Negative factors
- Narrow width
Evidence · text
“45.75-48.24m (2.49m) returned a length-weighted average of 4,988 ppm Li (1.07% Li₂O)”
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
WSTL0020Whistlejacket · lithiumGrade: 1.22Grade Unit: %Intercept: 2.96 mView all detailsHide details
Identity
- Hole ID
- WSTL0020
- Project
- Whistlejacket
- Commodity
- lithium
- Region
- usa_az
- Reported Region
- usa_az
- Ticker
- BHL
Geometry
- Grade
- 1.22
- Grade Unit
- %
- Intercept
- 2.96 m
- From
- 58.3 m
- To
- 61.26 m
- Intercept Depth
- 58.3 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- WSTL0020:58.3-61.26
- Mining Method
- unknown
Location
- Loc. Confidence
- medium
QA/QC
- Laboratory
- SGS Laboratories
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-10-13T00:00:00.000Z
Reasoning: Narrower pegmatite interval higher in the hole.
Positive factors
- Comparable grade to main body
Negative factors
- Narrow width
Evidence · text
“58.30-61.26m (2.96m) returned 5,670 ppm Li (1.22% Li₂O)”
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
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.