Granada Gold Mine Demonstrates 2.7x Grade Uplift on Open-Pit Mineralization through Ore Sorting at Saskatchewan Research Council
Original announcement by tmx on
- Company
- Granada Gold Mine Inc.
- Ticker
- GGM
- Exchange
- TSX
- Region
- Quebec
- Primary commodity
- Gold
- Secondary commodities
- None reported
- Document categories
- Resource update, Metallurgy
- Extracted
- 2026-09-14 02:51:59 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Granada Gold Mine reported successful ore-sorting test results from the Saskatchewan Research Council, demonstrating a 2.7x gold grade uplift using XRT technology. The tests showed an upgrade from 2.93 g/t to 7.87 g/t gold with 88% recovery, potentially significantly reducing processing costs and capital intensity.
Reasoning: The ore sorting test results demonstrate a massive grade upgrade and significant mass rejection, which fundamentally improves the project's economic profile.
Positive factors
- Significant grade uplift (2.7x) via ore sorting
- High gold recovery (88%) with XRT
- Substantial waste rejection (67.8%) reducing mill throughput
- Potential for reduced CAPEX and OPEX
Facts used in scoring: 5
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 a Qualified Person (Matthew Halliday, P.Geo.) and refers to an NI 43-101 technical report.
Evidence · text
“reviewed and approved by Matthew Halliday, P.Geo., Director of Granada Gold Mine Inc., and member of the Ordre des Géologues du Québec, who is a Qualified Person”
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: The resource estimate includes a significant Inferred component (456,000 oz).
Evidence · table
“4.71”
Context: 3,010,000
Single Domain Onlynegative
Testing limited to one composite or domain — representativeness not established.
Why it applies: only one composite was tested
Extracted facts
Stored fact records: 5. Some facts used in scoring do not have a stored record.
Resource Estimates (4)
measuredGranada Gold Project · goldTonnes: 4900000Grade: 1.7Grade Unit: g/tContained Metal: 269000Contained Unit: ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Granada Gold Project
- Commodity
- gold
- Region
- canada_qc
- Reported Region
- Quebec
- Ticker
- GGM
Resource scope
- Estimate type
- resource
- Effective date
- 2022-06-23T00:00:00.000Z
- Reporting standards
- ni_43_101
- Resource group id
- resource:3e12305a17c75b762a3c
- Deposit or zone
- InPit+UG
- Mining method
- combined
- Ownership percent
- 100 %
Resource Data
- Category
- measured
- Tonnes
- 4900000
- Grade
- 1.7
- Grade Unit
- g/t
- Contained Metal
- 269000
- Contained Unit
- oz
Prior Estimate
- Resource Date
- 2022-06-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2022-08-22T00:00:00.000Z
Dates
- Event date
- 2026-04-28T00:00:00.000Z
Reasoning: This is a restatement of the 2022 resource estimate.
Evidence · table
“1.70”
Context: 4,900,000
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 3.8 years before this release
indicatedGranada Gold Project · goldTonnes: 3320000Grade: 2.57Grade Unit: g/tContained Metal: 274000Contained Unit: ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Granada Gold Project
- Commodity
- gold
- Region
- canada_qc
- Reported Region
- Quebec
- Ticker
- GGM
Resource scope
- Estimate type
- resource
- Effective date
- 2022-06-23T00:00:00.000Z
- Reporting standards
- ni_43_101
- Resource group id
- resource:1deaed6413f5aea6ceb7
- Deposit or zone
- InPit+UG
- Mining method
- combined
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 3320000
- Grade
- 2.57
- Grade Unit
- g/t
- Contained Metal
- 274000
- Contained Unit
- oz
Prior Estimate
- Resource Date
- 2022-06-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2022-08-22T00:00:00.000Z
Dates
- Event date
- 2026-04-28T00:00:00.000Z
Reasoning: This is a restatement of the 2022 resource estimate.
Evidence · table
“2.57”
Context: 3,320,000
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 3.8 years before this release
indicatedGranada Gold Project · goldTonnes: 8220000Grade: 2.05Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Granada Gold Project
- Commodity
- gold
- Region
- canada_qc
- Reported Region
- Quebec
- Ticker
- GGM
Resource scope
- Estimate type
- resource
- Effective date
- 2022-06-23T00:00:00.000Z
- Reporting standards
- ni_43_101
- Resource group id
- resource:685f064d83b3fe5881a0
- Deposit or zone
- InPit+UG
- Mining method
- combined
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 8220000
- Grade
- 2.05
- Grade Unit
- g/t
Prior Estimate
- Resource Date
- 2022-06-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2022-08-22T00:00:00.000Z
Dates
- Event date
- 2026-04-28T00:00:00.000Z
Reasoning: This is a restatement of the 2022 resource estimate. (Expanded from multi-commodity resource table for completeness.)
Evidence · table
“2.05”
Context: 8,220,000
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 3.8 years before this release
inferredGranada Gold Project · goldTonnes: 3010000Grade: 4.71Grade Unit: g/tContained Metal: 456000Contained Unit: ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Granada Gold Project
- Commodity
- gold
- Region
- canada_qc
- Reported Region
- Quebec
- Ticker
- GGM
Resource scope
- Estimate type
- resource
- Effective date
- 2022-06-23T00:00:00.000Z
- Reporting standards
- ni_43_101
- Resource group id
- resource:a4c634632e6a34cac314
- Deposit or zone
- InPit+UG
- Mining method
- combined
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 3010000
- Grade
- 4.71
- Grade Unit
- g/t
- Contained Metal
- 456000
- Contained Unit
- oz
Prior Estimate
- Resource Date
- 2022-06-23
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2022-08-22T00:00:00.000Z
Dates
- Event date
- 2026-04-28T00:00:00.000Z
Reasoning: This is a restatement of the 2022 resource estimate.
Evidence · table
“4.71”
Context: 3,010,000
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 3.8 years before this release
Metallurgical Results (1)
laser sortingGranada Gold Project · goldRecovery: 41.5 %Head Grade: 1.22Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Granada Gold Project
- Commodity
- gold
- Region
- canada_qc
- Reported Region
- Quebec
- Ticker
- GGM
Test Work
- Program Status
- preliminary
- Test Type
- laser sorting
- Processing Route
- laser sorting
- Sample
- Laser Sorting (secondary modality): 500-kilogram sample of open-pit mineralization
Recovery
- Recovery
- 41.5 %
- Recovery Basis
- actual_test
- Head Grade
- 1.22
- Head Grade Unit
- g/t
Lab
- Laboratory
- Saskatchewan Research Council
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-28T00:00:00.000Z
Reasoning: While the grade upgrade is strong, the 41.5% recovery is significantly lower than the XRT results.
Positive factors
- Significant grade upgrade
Negative factors
- Lower recovery compared to XRT
Evidence · text
“head gold grade of 1.22 grams per tonne upgraded to 5.13 grams per tonne gold with 41.5 percent gold recovery”
Tags used in scoring
Low Recoverynegative
Recovery below the weak band for the commodity and processing route.
Why it applies: 41.5% is below the weak band (80%)
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.