Benz Confirms Free Milling Gold with High Recoveries at Icon
Original announcement by tmx on
- Company
- Benz Mining Corp
- Ticker
- BZ
- Exchange
- TSX
- Region
- Western Australia
- Primary commodity
- Gold
- Secondary commodities
- None reported
- Document categories
- Metallurgy
- Extracted
- 2026-09-17 14:57:28 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Benz Mining Corp announced highly encouraging initial cyanidation testwork results from its Icon deposit at the Glenburgh Gold Project in Western Australia. The tests confirmed high gold extraction rates of up to 95.5% for higher-grade material and consistently strong recoveries across a range of grades, including low-grade mineralized halo material. The gold is free milling with rapid leach kinetics and low reagent consumption, supporting the potential for a conventional processing pathway and favorable open-pit mining metrics.
Reasoning: Initial metallurgical testwork at the Icon deposit within the Glenburgh Gold Project confirms high gold recoveries (up to 95.5%) and free-milling characteristics across a range of gold grades, with low reagent consumption and rapid leach kinetics. These results are highly encouraging for the project's economic viability and potential for open-pit development, as even low-grade material shows strong recovery.
Positive factors
- High gold extraction rates across all tested grades
- Gold is free milling with rapid leach kinetics
- Low cyanide and lime consumption
- Potential for low-grade material to be processed as mill feed, reducing strip ratios
- Multi-grade range tested, confirming consistent recovery response
- QP signed off on technical information
- JORC compliant reporting
Negative factors
- Metallurgical work is still early-stage and laboratory-scale
- Further testwork and optimization are planned
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 3
Classification and evidence
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: the document describes a gravity route ("gravity")
Multi-Domain Testedpositive
Variability across ore domains (oxide, transition, fresh) has been addressed.
Why it applies: 3 distinct composites were tested
Extracted facts
Stored fact records: 3. Some facts used in scoring do not have a stored record.
Metallurgical Results (3)
bottle rollGlenburgh Gold Project · goldRecovery: 95.5 %Head Grade: 2Head Grade Unit: g/t AuView all detailsHide details
Identity
- Project
- Glenburgh Gold Project
- Commodity
- gold
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- BZ
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- conventional gravity-concentration and cyanide-leach flowsheet
- Sample
- Higher-grade Icon core
- Grind P80
- 75 µm
- Leach Time
- 24 hours
Recovery
- Recovery
- 95.5 %
- Recovery Basis
- actual_test
- Head Grade
- 2
- Head Grade Unit
- g/t Au
Reagents
- Reagent Notes
- average cyanide consumption ranging from 0.18 – 0.22 kg/t NaCN; low lime consumption
Lab
- Laboratory
- ALS Metallurgy
Location
- Easting
- 409810
- Northing
- 7191603
- CRS
- GDA94/MGA Zone 50
- EPSG
- 28350
- Loc. Confidence
- high
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-06-17T00:00:00.000Z
Reasoning: The 95.5% gold extraction from higher-grade core material is exceptional for gold, confirming free-milling characteristics and strong economic potential for this material type. This recovery is achieved with rapid kinetics and low reagent consumption, further enhancing its viability.
Positive factors
- Exceptional gold recovery for higher-grade material
- Free milling characteristics confirmed
- Rapid leach kinetics
- Low reagent consumption
- QP signed off on technical information
- JORC compliant reporting
Negative factors
- Testwork is laboratory-scale only
Tags used in scoring
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: processing_route matches the gravity signal
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: 95.5% is at or above the exceptional band (95%)
bottle rollGlenburgh Gold Project · goldRecovery: 91 %Head Grade: 0.6Head Grade Unit: g/t AuView all detailsHide details
Identity
- Project
- Glenburgh Gold Project
- Commodity
- gold
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- BZ
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- conventional gravity-concentration and cyanide-leach flowsheet
- Sample
- Mid-grade Icon mineralisation
- Grind P80
- 75 µm
- Leach Time
- 24 hours
Recovery
- Recovery
- 91 %
- Recovery Basis
- actual_test
- Head Grade
- 0.6
- Head Grade Unit
- g/t Au
Reagents
- Reagent Notes
- average cyanide consumption ranging from 0.18 – 0.22 kg/t NaCN; low lime consumption
Lab
- Laboratory
- ALS Metallurgy
Location
- Easting
- 409810
- Northing
- 7191603
- CRS
- GDA94/MGA Zone 50
- EPSG
- 28350
- Loc. Confidence
- high
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-06-17T00:00:00.000Z
Reasoning: The 91% gold extraction from mid-grade material is strong, indicating consistent metallurgical performance across different grade profiles and supporting the project's overall economic potential. This recovery is achieved with rapid kinetics and low reagent consumption.
Positive factors
- Strong gold recovery for mid-grade material
- Free milling characteristics confirmed
- Rapid leach kinetics
- Low reagent consumption
- QP signed off on technical information
- JORC compliant reporting
Negative factors
- Testwork is laboratory-scale only
Tags used in scoring
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: processing_route matches the gravity signal
bottle rollGlenburgh Gold Project · goldRecovery: 89 %Head Grade: 0.2Head Grade Unit: g/t AuView all detailsHide details
Identity
- Project
- Glenburgh Gold Project
- Commodity
- gold
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- BZ
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- conventional gravity-concentration and cyanide-leach flowsheet
- Sample
- Mineralised halo
- Grind P80
- 75 µm
- Leach Time
- 24 hours
Recovery
- Recovery
- 89 %
- Recovery Basis
- actual_test
- Head Grade
- 0.2
- Head Grade Unit
- g/t Au
Reagents
- Reagent Notes
- average cyanide consumption ranging from 0.18 – 0.22 kg/t NaCN; low lime consumption
Lab
- Laboratory
- ALS Metallurgy
Location
- Easting
- 409810
- Northing
- 7191603
- CRS
- GDA94/MGA Zone 50
- EPSG
- 28350
- Loc. Confidence
- high
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-06-17T00:00:00.000Z
Reasoning: The 89% gold extraction from the low-grade mineralized halo is a moderate recovery, but significant as it suggests this material, typically considered waste, could be processed as mill feed, potentially improving project economics by reducing strip ratios. This recovery is achieved with rapid kinetics and low reagent consumption.
Positive factors
- Moderate gold recovery for low-grade material
- Free milling characteristics confirmed
- Rapid leach kinetics
- Low reagent consumption
- Potential to convert low-grade material to mill feed, reducing strip ratios
- QP signed off on technical information
- JORC compliant reporting
Negative factors
- Testwork is laboratory-scale only
Tags used in scoring
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: processing_route matches the gravity signal
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.