Osisko Development Provides Infill Drilling Update on Its 13,000-Meter Lowhee Program at Cariboo Gold Project; Intercepts Include 596.40 g/t Gold Over 2.0 Meters from 6.1 Meters Downhole, Including 2,293.56 g/t Gold Over 0.5 Meters from 6.6 Meters Downhole

Original announcement by yahoo_press on

Company
Osisko Development
Ticker
ODV
Exchange
NYSE
Region
Unavailable
Primary commodity
Gold
Secondary commodities
None reported
Document categories
Drill results
Extracted
2026-09-21 04:23:16 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Osisko Development has reported high-grade gold results from its 13,000-meter infill drilling program at the Cariboo Gold Project. Notable intercepts include 596.40 g/t Au over 2.0 m, featuring a bonanza sub-interval of 2,293.56 g/t Au over 0.5 m.

Reasoning: The release reports extremely high-grade gold intercepts (up to 2,293 g/t Au) during an infill drilling program, which is highly material for resource definition.

Positive factors

  • Exceptional high-grade gold intercepts
  • Infill drilling confirming continuity on 10m spacing
  • Bonanza grade intercepts reported

Facts used in scoring: 5

Classification and evidence

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: Intercept of 2,293.56 g/t Au significantly exceeds the exceptional threshold for gold.

Evidence · text

“2,293.56 g/t Gold Over 0.5 Meters”

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: The program is explicitly described as an infill drilling update on 10-m spacing.

Evidence · text

“infill drilling completed (5,043 m new results) on 10-m drill spacing”

Extracted facts

Stored fact records: 5. Some facts used in scoring do not have a stored record.

Drill Results (5)

Fact 1Cariboo · goldGrade: 596.4Grade Unit: g/tIntercept: 2 mNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Cariboo
Commodity
gold
Ticker
ODV

Geometry

Grade
596.4
Grade Unit
g/t
Intercept
2 m
From
6.1 m
To
8.1 m
Intercept Depth
6.1 m

Classification

Program
resource
Sample Type
drill
Group ID
Cariboo:6.1-8.1

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
No

Dates

Event date
2026-02-12T00:00:00.000Z

Reasoning: High grade gold intercept.

Positive factors

  • Very high grade intercept

Evidence · text

“596.40 g/t Au over 2.0 m from 6.1 m downhole”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not 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"

Fact 2Cariboo · goldGrade: 2293.56Grade Unit: g/tIntercept: 0.5 mNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Cariboo
Commodity
gold
Ticker
ODV

Geometry

Grade
2293.56
Grade Unit
g/t
Intercept
0.5 m
From
6.6 m
To
7.1 m
Intercept Depth
6.6 m

Classification

Program
resource
Sample Type
drill
Group ID
null:6.1-8.1

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
No

Dates

Event date
2026-02-12T00:00:00.000Z

Reasoning: Extreme high-grade gold intercept.

Positive factors

  • Bonanza grade

Evidence · text

“2,293.56 g/t Au over 0.5 m from 6.6 m downhole”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not 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"

Fact 3Cariboo · goldGrade: 21.67Grade Unit: g/tIntercept: 3.5 mNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Cariboo
Commodity
gold
Ticker
ODV

Geometry

Grade
21.67
Grade Unit
g/t
Intercept
3.5 m
From
96.5 m
To
100 m
Intercept Depth
96.5 m

Classification

Program
resource
Sample Type
drill
Group ID
Cariboo:96.5-100

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
No

Dates

Event date
2026-02-12T00:00:00.000Z

Reasoning: Solid gold intercept.

Positive factors

  • Strong grade intercept

Evidence · text

“21.67 g/t Au over 3.5 m from 96.5 m downhole”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not 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"

Fact 4Cariboo · goldGrade: 135.44Grade Unit: g/tIntercept: 0.5 mNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Cariboo
Commodity
gold
Ticker
ODV

Geometry

Grade
135.44
Grade Unit
g/t
Intercept
0.5 m
From
99.5 m
To
100 m
Intercept Depth
99.5 m

Classification

Program
resource
Sample Type
drill
Group ID
Cariboo:99.5-100

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
No

Dates

Event date
2026-02-12T00:00:00.000Z

Reasoning: High grade sub-interval.

Positive factors

  • High grade sub-interval

Evidence · text

“135.44 g/t Au over 0.5 m from 99.5 m downhole”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not 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"

Fact 5Cariboo · goldGrade: 21.97Grade Unit: g/tIntercept: 2.5 mNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Cariboo
Commodity
gold
Ticker
ODV

Geometry

Grade
21.97
Grade Unit
g/t
Intercept
2.5 m
From
48.7 m
To
51.2 m
Intercept Depth
48.7 m

Classification

Program
resource
Sample Type
drill
Group ID
Cariboo:48.7-51.2

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
No

Dates

Event date
2026-02-12T00:00:00.000Z

Reasoning: Solid gold intercept.

Positive factors

  • Strong grade intercept

Evidence · text

“21.97 g/t Au over 2.5 m from 48.7 m downhole”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not 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"

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.