Ridgeline Minerals Reports Additional Assays for the Chinchilla Sulfide CRD Discovery at the Selena Project, Nevada

Original announcement by tmx on

Company
Ridgeline Minerals Corp.
Ticker
RDG
Exchange
TSX
Region
Nevada
Primary commodity
Silver
Secondary commodities
Zinc, Lead, Gold, Copper, Antimony
Document categories
Drill results, Agreement transaction
Extracted
2026-09-16 19:06:32 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Ridgeline Minerals has reported high-grade silver and zinc assay results from its maiden drill program at the Selena Project in Nevada. The SE25-053 hole intersected multiple stacked sulfide lenses, including a standout 1.1m intercept of 766.4 g/t AgEq.

Reasoning: The announcement reports significant high-grade silver and zinc intercepts in a maiden drill program, confirming a new CRD discovery with stacked sulfide horizons.

Positive factors

  • High-grade silver-zinc intercepts
  • Discovery of stacked sulfide lenses
  • Evidence of base metal zoning
  • Maiden drill program exceeding expectations
  • Strategic earn-in agreement with South32

Negative factors

  • True width for high-grade intercept not disclosed

Facts used in scoring: 6

Classification and evidence

Bonanza Interceptpositive

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

Why it applies: 1.1m grading 766.4 g/t AgEq is exceptionally high grade for a CRD system.

Evidence · text

“1.1m grading 27.0% Zn, 60.1 g/t Ag, 0.7% Pb, 1.5 g/t Au, 0.4% Cu, 0.03% Sb (766.4 g/t AgEq or 31.9% ZnEq)”

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 high-grade 1.1m intercept does not disclose true width or drill orientation.

Evidence · text

“true thickness unknown”

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: Release details certified labs (AAL, Paragon), CRM standards, duplicates, and blanks.

Evidence · text

“Samples are submitted to American Assay Laboratories (AAL)... which is a certified and accredited laboratory... Ridgeline's QA/QC program includes regular insertion of CRM standards, duplicates, and blanks”

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: Hole SE25-054 is a 700m step-out to test the extension of the conductive anomaly.

Evidence · text

“Hole SE25-054 is in progress and represents a roughly 700m step-out to the northeast”

Extracted facts

Stored fact records: 6. Some facts used in scoring do not have a stored record.

Drill Results (6)

SE25-053Selena · silverGrade: 60.1Grade Unit: g/tIntercept: 1.1 mView all details
Link to this fact

Identity

Hole ID
SE25-053
Project
Selena
Commodity
silver
Region
usa_nv
Reported Region
usa_nv
Ticker
RDG

Geometry

Grade
60.1
Grade Unit
g/t
Intercept
1.1 m
From
943 m
To
944.1 m
Intercept Depth
943 m

Classification

Sample Type
drill
Group ID
SE25-053:943-944.1

Location

Location
Upper Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
766.4
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-12-18T00:00:00.000Z

Reasoning: Exceptional silver grade in a very narrow interval.

Positive factors

  • Extremely high silver grade

Evidence · text

“1.1m grading 27.0% Zn, 60.1 g/t Ag, 0.7% Pb, 1.5 g/t Au, 0.4% Cu, 0.03% Sb (766.4 g/t AgEq or 31.9% ZnEq) starting at 943m downhole”

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

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

SE25-053Selena · zincGrade: 27Grade Unit: %Intercept: 1.1 mView all details
Link to this fact

Identity

Hole ID
SE25-053
Project
Selena
Commodity
zinc
Region
usa_nv
Reported Region
usa_nv
Ticker
RDG

Geometry

Grade
27
Grade Unit
%
Intercept
1.1 m
From
943 m
To
944.1 m
Intercept Depth
943 m

Classification

Sample Type
drill
Group ID
SE25-053:943-944.1

Location

Location
Upper Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
766.4
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-12-18T00:00:00.000Z

Reasoning: High grade zinc in a narrow interval.

Positive factors

  • High zinc grade

Evidence · text

“1.1m grading 27.0% Zn, 60.1 g/t Ag, 0.7% Pb, 1.5 g/t Au, 0.4% Cu, 0.03% Sb (766.4 g/t AgEq or 31.9% ZnEq)”

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

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

SE25-053Selena · zincGrade: 6Grade Unit: %Intercept: 17.4 mView all details
Link to this fact

Identity

Hole ID
SE25-053
Project
Selena
Commodity
zinc
Region
usa_nv
Reported Region
usa_nv
Ticker
RDG

Geometry

Grade
6
Grade Unit
%
Intercept
17.4 m

Classification

Sample Type
drill

Location

Location
Upper Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
219.9
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-12-18T00:00:00.000Z

Reasoning: Solid zinc intercept with significant width.

Positive factors

  • Significant width

Evidence · text

“17.4 meters grading 6.0% Zn, 35.6 g/t Ag, 0.5% Pb, 0.2 g/t Au, 0.1% Cu, 0.1% Sb (219.9 g/t AgEq or 9.2% ZnEq)”

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

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

SE25-053Selena · silverGrade: 35.6Grade Unit: g/tIntercept: 17.4 mView all details
Link to this fact

Identity

Hole ID
SE25-053
Project
Selena
Commodity
silver
Region
usa_nv
Reported Region
usa_nv
Ticker
RDG

Geometry

Grade
35.6
Grade Unit
g/t
Intercept
17.4 m

Classification

Sample Type
drill

Location

Location
Upper Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
219.9
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-12-18T00:00:00.000Z

Reasoning: Standard silver grade for this intercept.

Evidence · text

“17.4 meters grading 6.0% Zn, 35.6 g/t Ag, 0.5% Pb, 0.2 g/t Au, 0.1% Cu, 0.1% Sb (219.9 g/t AgEq or 9.2% ZnEq)”

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

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

SE25-053Selena · silverGrade: 13.9Grade Unit: g/tIntercept: 8.7 mView all details
Link to this fact

Identity

Hole ID
SE25-053
Project
Selena
Commodity
silver
Region
usa_nv
Reported Region
usa_nv
Ticker
RDG

Geometry

Grade
13.9
Grade Unit
g/t
Intercept
8.7 m
From
1069 m
To
1077.7 m
Intercept Depth
1069 m

Classification

Sample Type
drill
Group ID
SE25-053:1069-1077.7

Location

Location
Upper Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
175.5
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-12-18T00:00:00.000Z

Reasoning: Lower sulfide zone intercept.

Evidence · text

“8.7 meters grading 7.0% Zn, 13.9 g/t Ag, 0.3% Pb, 0.1 g/t Au, 0.1% Cu, 0.01% Sb (175.5 g/t AgEq or 7.3% ZnEq)”

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

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

SE25-053Selena · zincGrade: 7Grade Unit: %Intercept: 8.7 mView all details
Link to this fact

Identity

Hole ID
SE25-053
Project
Selena
Commodity
zinc
Region
usa_nv
Reported Region
usa_nv
Ticker
RDG

Geometry

Grade
7
Grade Unit
%
Intercept
8.7 m
From
1069 m
To
1077.7 m
Intercept Depth
1069 m

Classification

Sample Type
drill
Group ID
SE25-053:1069-1077.7

Location

Location
Upper Zone
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
QA/QC Methods
standards, blanks, duplicates

Metal Equivalent

Metal Eq. Grade
175.5
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-12-18T00:00:00.000Z

Reasoning: Lower sulfide zone intercept.

Evidence · text

“8.7 meters grading 7.0% Zn, 13.9 g/t Ag, 0.3% Pb, 0.1 g/t Au, 0.1% Cu, 0.01% Sb (175.5 g/t AgEq or 7.3% ZnEq)”

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

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: an equivalent grade is reported without its assumptions

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.