G Mining Ventures Reports Q4 and Full-Year 2025 Results; First Full Year of Commercial Production at Tocantinzinho Drives Strong Cash Flow Generation
Original announcement by tmx on
- Company
- G Mining Ventures Corp.
- Ticker
- GMIN
- Exchange
- TSX
- Region
- Brazil
- Primary commodity
- Gold
- Secondary commodities
- None reported
- Document categories
- Production, Resource update, Drill results, Metallurgy
- Extracted
- 2026-09-16 03:01:44 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
G Mining Ventures reported strong Q4 and full-year 2025 results, marking the first full year of commercial production at its Tocantinzinho mine. The company generated $255 million in free cash flow and achieved record gold mineral reserves of 6.52 million ounces, a 221% increase. The Oko West project is fully funded and on schedule for first gold pour in H2 2027, while 2026-2027 production guidance indicates increasing gold output and improving costs.
Reasoning: G Mining Ventures reported strong financial and operating results for its first full year of commercial production at Tocantinzinho, generating significant free cash flow and increasing gold mineral reserves, while advancing the Oko West project and providing positive production guidance for 2027, despite some cost and production variances in 2025 and expected cost increases in 2026.
Positive factors
- Strong free cash flow generation ($255 million) in first full year of commercial production.
- Record gold mineral reserves of 6.52 million ounces, a 221% increase.
- Oko West project fully funded and on schedule for first gold pour in H2 2027.
- High metallurgical recoveries of 90.6% for FY2025, exceeding guidance.
- Increasing gold production guidance for 2027 (200-235 koz) and expected cost improvements.
Negative factors
- FY2025 total cash costs ($748/oz) were slightly above the top end of guidance.
- FY2025 gold production (171,871 oz) was 2% below the lower end of guidance.
- Total cash costs and AISC are expected to increase in 2026 relative to 2025 before decreasing in 2027.
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 21
Classification and evidence
High Recoverypositive · Story-specific tag
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: Metallurgical recoveries of 90.6% were achieved for the year, exceeding 2025 guidance of 90.0%, which is above the strong band for gold mill_cil processing.
Evidence · text
“Strong metallurgical recoveries of 90.6% were achieved for the year, exceeding 2025 guidance of 90.0%.”
Recovery Improvingpositive · Story-specific tag
Recovery improved versus a like-for-like prior test program on the same domain and route.
Why it applies: Recovery rates have improved, achieving 91.8% during the fourth quarter and 90.6% for full year 2025, indicating an upward trend.
Evidence · text
“Recovery rates have also improved, achieving 91.8% during the fourth quarter and 90.6% for full year 2025”
Low Productionnegative · Story-specific tag
No canonical definition is currently available.
Why it applies: For the full year 2025, gold production was 2% below the lower end of the Corporation’s guidance range.
Evidence · text
“For the full year 2025, gold production was 2% below the lower end of the Corporation’s guidance range.”
High Costsnegative · Story-specific tag
No canonical definition is currently available.
Why it applies: Total cash costs of $748 per ounce were slightly above the top end of 2025 guidance, primarily due to higher royalty costs and the introduction of the State of Para’s production tax.
Evidence · text
“Total cash costs of $748 per ounce were slightly above the top end of 2025 guidance, primarily due to higher royalty costs ($27 per ounce) and the introduction of the State of Para’s production tax ($27 per ounce).”
Production Guidanceneutral · Story-specific tag
No canonical definition is currently available.
Why it applies: The document provides two-year production guidance for 2026 and 2027.
Evidence · text
“Two-year production guidance reflects continued execution of our operating and growth strategy.”
Cost Guidanceneutral · Story-specific tag
No canonical definition is currently available.
Why it applies: The document provides total cash costs and AISC guidance for 2026 and 2027.
Evidence · text
“Total cash costs (1) and AISC (1) expected to decrease 8% by 2027, relative to 2026.”
Contained Metal Growthpositive
True scale improvement — contained metal ounces/tonnes increased vs prior, accounting for both tonnage and grade changes.
Why it applies: Proven and probable mineral reserves increased by 221% from last year to a record 6.52 million ounces.
Evidence · text
“proven and probable mineral reserves increased by 221% from last year to a record 6.52 million ounces”
Category Upgradepositive
Resource confidence improved — Inferred upgraded to Indicated, or Indicated to Measured. De-risking signal.
Why it applies: The reserve estimate is reported as 'proven and probable', indicating a high confidence category.
Evidence · text
“proven and probable mineral reserves”
QP/CP Signedpositive
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: Louis-Pierre Gignac, President & Chief Executive Officer of GMIN, a QP as defined in NI 43-101, has reviewed and approved the technical disclosure.
Evidence · text
“Louis-Pierre Gignac, President & Chief Executive Officer of GMIN, a QP as defined in NI 43-101, has reviewed the press release on behalf of the Corporation and has approved the technical disclosure contained in this press release.”
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: The technical disclosure, including the mineral reserves, is approved by a QP as defined in NI 43-101.
Evidence · text
“a QP as defined in NI 43-101”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The press release states that a Qualified Person has reviewed and approved the technical disclosure, which implies QA/QC oversight.
Evidence · text
“Louis-Pierre Gignac, President & Chief Executive Officer of GMIN, a QP as defined in NI 43-101, has reviewed the press release on behalf of the Corporation and has approved the technical disclosure contained in this press release.”
Exploration Drillingneutral · Story-specific tag
No canonical definition is currently available.
Why it applies: The drilling programs continued to test exploration targets within 5km radius around the existing infrastructure of the TZ gold mine, and exploration activities restarted at Gurupi.
Evidence · text
“The drilling programs continued to test exploration targets within 5km radius around the existing infrastructure of the TZ gold mine”
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Exploration has defined a new high-grade shoot outside the northern pit limits in Block 1 at Oko West.
Evidence · text
“exploration has defined a new high-grade shoot outside the northern pit limits in Block 1.”
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: the document describes a flotation route ("flotation")
Extracted facts
Stored fact records: 6. Some facts used in scoring do not have a stored record.
Drill Results (4)
BRZ-25-089ATocantinzinho · goldGrade: 0.85Grade Unit: g/tIntercept: 27 mView all detailsHide details
Identity
- Hole ID
- BRZ-25-089A
- Project
- Tocantinzinho
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- GMIN
Geometry
- Grade
- 0.85
- Grade Unit
- g/t
- Intercept
- 27 m
Classification
- Program
- exploration
- Sample Type
- drill
Location
- Location
- south of the TZ pit
- Loc. Source
- document
QA/QC
- QP Signed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-25T00:00:00.000Z
Reasoning: Exploration drill result showing gold presence, but lacking continuity and volume.
Positive factors
- Demonstrates presence of gold.
Negative factors
- Continuity and volume were not reached.
Evidence · text
“27.0 m at 0.85 g/t Au”
Context: BRZ-25-089A
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
BRZ-25-089ATocantinzinho · goldGrade: 0.91Grade Unit: g/tIntercept: 23 mView all detailsHide details
Identity
- Hole ID
- BRZ-25-089A
- Project
- Tocantinzinho
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- GMIN
Geometry
- Grade
- 0.91
- Grade Unit
- g/t
- Intercept
- 23 m
Classification
- Program
- exploration
- Sample Type
- drill
Location
- Location
- south of the TZ pit
- Loc. Source
- document
QA/QC
- QP Signed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-25T00:00:00.000Z
Reasoning: Exploration drill result showing gold presence, but lacking continuity and volume.
Positive factors
- Demonstrates presence of gold.
Negative factors
- Continuity and volume were not reached.
Evidence · text
“23.0 m at 0.91 g/t Au”
Context: BRZ-25-089A
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
OKWT24-105Oko West · goldGrade: 0.72Grade Unit: g/tIntercept: 10 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- OKWT24-105
- Project
- Oko West
- Commodity
- gold
- Region
- guyana
- Reported Region
- guyana
- Ticker
- GMIN
Geometry
- Grade
- 0.72
- Grade Unit
- g/t
- Intercept
- 10 m
Classification
- Program
- exploration
- Sample Type
- drill
Location
- Location
- NW Extension target
- Loc. Source
- document
QA/QC
- QP Signed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2024-01-01T00:00:00.000Z
Dates
- Event date
- 2026-03-25T00:00:00.000Z
Reasoning: Exploration drill result highlighting anomalous gold grade in the NW Extension target.
Positive factors
- Highlights anomalous gold grade.
Evidence · text
“10.0 m at 0.72 g/t Au”
Context: OKWT24-105
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
OKWT24-105Oko West · goldGrade: 0.29Grade Unit: g/tIntercept: 12 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- OKWT24-105
- Project
- Oko West
- Commodity
- gold
- Region
- guyana
- Reported Region
- guyana
- Ticker
- GMIN
Geometry
- Grade
- 0.29
- Grade Unit
- g/t
- Intercept
- 12 m
Classification
- Program
- exploration
- Sample Type
- drill
Location
- Location
- NW Extension target
- Loc. Source
- document
QA/QC
- QP Signed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2024-01-01T00:00:00.000Z
Dates
- Event date
- 2026-03-25T00:00:00.000Z
Reasoning: Exploration drill result highlighting anomalous gold grade in the NW Extension target.
Positive factors
- Highlights anomalous gold grade.
Evidence · text
“12.0 m at 0.29 g/t Au”
Context: OKWT24-105
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
Resource Estimates (1)
probablegoldTonnes: 126000000Grade: 1.6Grade Unit: g/tContained Metal: 6.52Contained Unit: mozView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- GMIN
Resource scope
- Estimate type
- reserve
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Louis-Pierre Gignac
- Resource group id
- resource:25433302d512ea931b76
Resource Data
- Category
- probable
- Tonnes
- 126000000
- Grade
- 1.6
- Grade Unit
- g/t
- Contained Metal
- 6.52
- Contained Unit
- moz
Prior Estimate
- Resource Date
- 2025-12-31
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-25T00:00:00.000Z
Reasoning: Record gold mineral reserves with a significant increase, primarily driven by the Oko West project.
Positive factors
- Record mineral reserves achieved.
- 221% increase from last year.
- Addition of 4.64 million ounces from Oko West feasibility study.
Evidence · text
“proven and probable mineral reserves increased by 221% from last year to a record 6.52 million ounces (126 million tonnes grading 1.60 grams per tonne (“ g/t ”) gold (“ Au ”)”
Tags used in scoring
Probable Reservepositive
Indicated Resource with demonstrated economic viability after applying modifying factors.
Why it applies: category is "probable"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
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: qp_signed is true
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
Metallurgical Results (1)
Fact 1Tocantinzinho · goldRecovery: 90.6 %View all detailsHide details
Identity
- Project
- Tocantinzinho
- Commodity
- gold
- Region
- brazil
- Reported Region
- Brazil
- Ticker
- GMIN
Recovery
- Recovery
- 90.6 %
- Recovery Basis
- actual_test
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-25T00:00:00.000Z
Reasoning: Strong metallurgical recoveries exceeded guidance, supported by increased plant stability.
Positive factors
- Strong metallurgical recoveries achieved.
- Exceeded 2025 guidance of 90.0%.
Evidence · text
“Strong metallurgical recoveries of 90.6% were achieved for the year, exceeding 2025 guidance of 90.0%.”
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.