Glenstar Shear-Wave Seismic Survey Identifies Low-Velocity Anomalies Correlating with Green Monster Discovery Zone

Original announcement by orestocks on

Company
Glenstar Minerals Inc.
Ticker
GSTR.CN
Exchange
Unavailable
Region
Nevada
Primary commodity
Zinc
Secondary commodities
Silver, Nickel, Cobalt, Copper
Document categories
Other, Drill results
Extracted
2026-10-07 13:47:19 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Glenstar Minerals has completed a shear-wave seismic survey at the Green Monster Project in Nevada, which identified low-velocity anomalies correlating with the previously discovered high-grade polymetallic zone in hole GMST-4. The survey results provide new structural targets for follow-up drilling to test for mineralization extensions.

Reasoning: The seismic survey provides geophysical evidence that supports the continuity of the discovery zone, providing high-confidence targets for future drilling.

Positive factors

  • seismic survey identifies low-velocity anomalies correlating with known mineralization
  • targets identified for follow-up drilling
  • survey results consistent with previous drill program

Facts used in scoring: 4

Classification and evidence

QA/QC Disclosedpositive · Story-specific tag

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

Why it applies: The release mentions that the survey was subject to field quality-control procedures and reviewed by a Qualified Person.

Evidence · text

“Survey data were subject to field quality-control procedures”

QP/CP Signedpositive · Story-specific tag

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: Robert Marvin, P.Geo., a Qualified Person, has reviewed and approved the technical information.

Evidence · text

“Robert Marvin, P.Geo., a Qualified Person as defined by NI 43-101, has reviewed the survey methodology”

Extracted facts

Stored fact records: 4. Some facts used in scoring do not have a stored record.

Drill Results (4)

GMST-4Green Monster · zincGrade: 30Grade Unit: %Intercept: 11 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
GMST-4
Project
Green Monster
Commodity
zinc
Region
usa_nv
Reported Region
usa_nv
Ticker
GSTR.CN

Geometry

Grade
30
Grade Unit
%
Intercept
11 m
From
131 m
To
142 m
Intercept Depth
131 m

Classification

Sample Type
drill
Group ID
GMST-4:131-142

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2025-05-01T00:00:00.000Z

Dates

Event date
2026-10-07T00:00:00.000Z

Reasoning: Reported >30% zinc is an exceptional grade for a polymetallic zone.

Positive factors

  • high-grade zinc intercept

Evidence · text

“Green Monster contained a zone of high-grade >30% zinc”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

GMST-4Green Monster · silverGrade: 5.7Grade Unit: oz/tIntercept: 11 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
GMST-4
Project
Green Monster
Commodity
silver
Region
usa_nv
Reported Region
usa_nv
Ticker
GSTR.CN

Geometry

Grade
5.7
Grade Unit
oz/t
Intercept
11 m
From
131 m
To
142 m
Intercept Depth
131 m

Classification

Sample Type
drill
Group ID
GMST-4:131-142

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2025-05-01T00:00:00.000Z

Dates

Event date
2026-10-07T00:00:00.000Z

Reasoning: 5.7 oz/t silver is a very high grade.

Positive factors

  • high silver grade

Evidence · text

“5.7 oz/t silver”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

GMST-4Green Monster · nickelGrade: 0.0523Grade Unit: %Intercept: 11 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
GMST-4
Project
Green Monster
Commodity
nickel
Region
usa_nv
Reported Region
usa_nv
Ticker
GSTR.CN

Geometry

Grade
0.0523
Grade Unit
%
Intercept
11 m
From
131 m
To
142 m
Intercept Depth
131 m

Classification

Sample Type
drill
Group ID
GMST-4:131-142

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2025-05-01T00:00:00.000Z

Dates

Event date
2026-10-07T00:00:00.000Z

Reasoning: Nickel grade is present but relatively low.

Evidence · text

“0.0523% nickel”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

GMST-4Green Monster · cobaltGrade: 0.0019Grade Unit: %Intercept: 11 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
GMST-4
Project
Green Monster
Commodity
cobalt
Region
usa_nv
Reported Region
usa_nv
Ticker
GSTR.CN

Geometry

Grade
0.0019
Grade Unit
%
Intercept
11 m
From
131 m
To
142 m
Intercept Depth
131 m

Classification

Sample Type
drill
Group ID
GMST-4:131-142

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2025-05-01T00:00:00.000Z

Dates

Event date
2026-10-07T00:00:00.000Z

Reasoning: Cobalt grade is present but very low.

Evidence · text

“0.0019% cobalt”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

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.