Bonterra Intersects High-Grade, Visible Gold at O'Brien East Deep Target at its 100% Owned Desmaraisville South Project
Original announcement by newsfile on
- Company
- Bonterra Resources Inc.
- Ticker
- BTR
- Exchange
- Unavailable
- Region
- Quebec
- Primary commodity
- Gold
- Secondary commodities
- None reported
- Document categories
- Drill results
- Extracted
- 2026-09-15 10:19:00 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Bonterra Resources has reported preliminary 2026 exploration results from its Desmaraisville South Project in Quebec, highlighting high-grade gold intercepts at the O'Brien East Deep and Céré-Murgor targets. Notable results include 16.03 g/t Au over 0.4 m with visible gold in hole BRDS-26-114.
Reasoning: The release reports several high-grade gold intercepts, including a 16.03 g/t Au interval with visible gold, supported by robust QA/QC disclosures.
Positive factors
- High-grade gold intercepts
- Visible gold (VG) reported
- QA/QC protocols disclosed
- Certified laboratories used
Negative factors
- True widths not yet known
Facts used in scoring: 7
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 MSALABS and AGAT Laboratories, use of blanks, duplicates, and standards, and ISO-17025 accreditation.
Evidence · text
“Blanks, duplicates, and certified reference standards are inserted into the sample stream”
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: 16.03 g/t Au is exceptionally high grade for this context.
Evidence · text
“16.03 g/t Au over 0.4 m (visible gold or VG)”
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 states that true widths are not yet known.
Evidence · text
“Reported intervals represent drilled core lengths; true widths are not yet known.”
Extracted facts
Stored fact records: 7. Some facts used in scoring do not have a stored record.
Drill Results (7)
BRDS-26-114Desmaraisville South · goldGrade: 4.75Grade Unit: g/tIntercept: 1.4 mView all detailsHide details
Identity
- Hole ID
- BRDS-26-114
- Project
- Desmaraisville South
- Commodity
- gold
- Region
- canada_qc
- Reported Region
- canada_qc
- Ticker
- BTR
Geometry
- Grade
- 4.75
- Grade Unit
- g/t
- Intercept
- 1.4 m
- From
- 261.3 m
- To
- 262.7 m
- Hole Depth
- 390 m
- Intercept Depth
- 261.3 m
Classification
- Sample Type
- drill
- Group ID
- BRDS-26-114:261.3-262.7
- Mining Method
- unknown
Location
- Location
- O'Brien East Deep
- Easting
- 417833
- Northing
- 5483244
- Elevation
- 342 m
- Azimuth
- 315 °
- Dip
- -55 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS and AGAT Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-15T00:00:00.000Z
Reasoning: 4.75 g/t over 1.4 m is a strong intercept for an exploration target.
Positive factors
- High grade
Negative factors
- Apparent width only
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
BRDS-26-114Desmaraisville South · goldGrade: 16.03Grade Unit: g/tIntercept: 0.4 mView all detailsHide details
Identity
- Hole ID
- BRDS-26-114
- Project
- Desmaraisville South
- Commodity
- gold
- Region
- canada_qc
- Reported Region
- canada_qc
- Ticker
- BTR
Geometry
- Grade
- 16.03
- Grade Unit
- g/t
- Intercept
- 0.4 m
- From
- 261.3 m
- To
- 261.7 m
- Hole Depth
- 390 m
- Intercept Depth
- 261.3 m
Classification
- Sample Type
- drill
- Group ID
- BRDS-26-114:261.3-261.7
- Mining Method
- unknown
Location
- Location
- O'Brien East Deep
- Easting
- 417833
- Northing
- 5483244
- Elevation
- 342 m
- Azimuth
- 315 °
- Dip
- -55 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS and AGAT Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-15T00:00:00.000Z
Reasoning: 16.03 g/t is an exceptionally high-grade interval with visible gold.
Positive factors
- Bonanza Intercept
- Visible Gold
Negative factors
- Apparent width only
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
BRDS-26-128ADesmaraisville South · goldGrade: 0.79Grade Unit: g/tIntercept: 8.2 mView all detailsHide details
Identity
- Hole ID
- BRDS-26-128A
- Project
- Desmaraisville South
- Commodity
- gold
- Region
- canada_qc
- Reported Region
- canada_qc
- Ticker
- BTR
Geometry
- Grade
- 0.79
- Grade Unit
- g/t
- Intercept
- 8.2 m
- From
- 528.3 m
- To
- 536.5 m
- Hole Depth
- 558 m
- Intercept Depth
- 528.3 m
Classification
- Sample Type
- drill
- Group ID
- BRDS-26-128A:528.3-536.5
- Mining Method
- unknown
Location
- Location
- Céré-Murgor
- Easting
- 404370
- Northing
- 5478105
- Elevation
- 295 m
- Azimuth
- 300 °
- Dip
- -50 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS and AGAT Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-15T00:00:00.000Z
Reasoning: 8.2 m at 0.79 g/t is a moderate intercept providing continuity.
Positive factors
- Good width
Negative factors
- Apparent width only
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
BRDS-26-128ADesmaraisville South · goldGrade: 1.33Grade Unit: g/tIntercept: 2.7 mView all detailsHide details
Identity
- Hole ID
- BRDS-26-128A
- Project
- Desmaraisville South
- Commodity
- gold
- Region
- canada_qc
- Reported Region
- canada_qc
- Ticker
- BTR
Geometry
- Grade
- 1.33
- Grade Unit
- g/t
- Intercept
- 2.7 m
- From
- 528.3 m
- To
- 531 m
- Hole Depth
- 558 m
- Intercept Depth
- 528.3 m
Classification
- Sample Type
- drill
- Group ID
- BRDS-26-128A:528.3-531
- Mining Method
- unknown
Location
- Location
- Céré-Murgor
- Easting
- 404370
- Northing
- 5478105
- Elevation
- 295 m
- Azimuth
- 300 °
- Dip
- -50 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS and AGAT Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-15T00:00:00.000Z
Reasoning: Sub-interval within the Céré-Murgor target.
Negative factors
- Apparent width only
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
BRDS-26-128ADesmaraisville South · goldGrade: 4.05Grade Unit: g/tIntercept: 0.6 mView all detailsHide details
Identity
- Hole ID
- BRDS-26-128A
- Project
- Desmaraisville South
- Commodity
- gold
- Region
- canada_qc
- Reported Region
- canada_qc
- Ticker
- BTR
Geometry
- Grade
- 4.05
- Grade Unit
- g/t
- Intercept
- 0.6 m
- From
- 529.5 m
- To
- 530.1 m
- Hole Depth
- 558 m
- Intercept Depth
- 529.5 m
Classification
- Sample Type
- drill
- Group ID
- BRDS-26-128A:529.5-530.1
- Mining Method
- unknown
Location
- Location
- Céré-Murgor
- Easting
- 404370
- Northing
- 5478105
- Elevation
- 295 m
- Azimuth
- 300 °
- Dip
- -50 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS and AGAT Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-15T00:00:00.000Z
Reasoning: High-grade interval with visible gold.
Positive factors
- Visible Gold
Negative factors
- Apparent width only
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
BRDS-26-116ADesmaraisville South · goldGrade: 1.03Grade Unit: g/tIntercept: 1.5 mView all detailsHide details
Identity
- Hole ID
- BRDS-26-116A
- Project
- Desmaraisville South
- Commodity
- gold
- Region
- canada_qc
- Reported Region
- canada_qc
- Ticker
- BTR
Geometry
- Grade
- 1.03
- Grade Unit
- g/t
- Intercept
- 1.5 m
- From
- 96.7 m
- To
- 98.2 m
- Hole Depth
- 290 m
- Intercept Depth
- 96.7 m
Classification
- Sample Type
- drill
- Group ID
- BRDS-26-116A:96.7-98.2
- Mining Method
- unknown
Location
- Location
- Mistik 13
- Easting
- 417251
- Northing
- 5486170
- Elevation
- 315 m
- Azimuth
- 180 °
- Dip
- -50 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS and AGAT Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-15T00:00:00.000Z
Reasoning: Moderate intercept at Mistik 13 target.
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
BRDS-26-124ADesmaraisville South · goldGrade: 0.71Grade Unit: g/tIntercept: 2.2 mView all detailsHide details
Identity
- Hole ID
- BRDS-26-124A
- Project
- Desmaraisville South
- Commodity
- gold
- Region
- canada_qc
- Reported Region
- canada_qc
- Ticker
- BTR
Geometry
- Grade
- 0.71
- Grade Unit
- g/t
- Intercept
- 2.2 m
- From
- 1088.8 m
- To
- 1091 m
- Hole Depth
- 1566 m
- Intercept Depth
- 1088.8 m
Classification
- Sample Type
- drill
- Group ID
- BRDS-26-124A:1088.8-1091
- Mining Method
- unknown
Location
- Location
- O'Brien East Deep
- Easting
- 417850
- Northing
- 5482575
- Elevation
- 346 m
- Azimuth
- 360 °
- Dip
- -65 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- MSALABS and AGAT Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-15T00:00:00.000Z
Reasoning: Anomalous gold grade at depth.
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.