Cantex Announces Outstanding Preliminary Flotation Results; Achieves Premium-Grade Lead and Zinc Concentrates with Strong Silver Credits at North Rackla
Original announcement by tmx on
- Company
- Cantex Mine Development Corp.
- Ticker
- CD
- Exchange
- TSX
- Region
- Yukon
- Primary commodity
- Lead
- Secondary commodities
- Zinc, Silver
- Document categories
- Metallurgy
- Extracted
- 2026-09-17 15:01:13 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Cantex has announced successful preliminary flotation testwork at its North Rackla project in the Yukon. The tests produced premium-grade lead and zinc concentrates from high-grade, low-grade, and oxide composites, with significant silver credits reported in the lead concentrates.
Reasoning: Preliminary flotation testwork successfully produced premium-grade lead and zinc concentrates with significant silver credits across multiple ore domains.
Positive factors
- High-grade concentrates achieved (>50% Pb and >60% Zn)
- Strong silver credits in lead concentrates
- Successful recovery from both high-grade and low-grade sulphide and oxide domains
- Use of conventional, industry-standard flotation techniques
Negative factors
- Zinc recovery in oxide mineralization was noted as poor
Facts used in scoring: 6
Classification and evidence
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: Lead and zinc recoveries in sulphide composites reached 85.1% and 80.6% respectively, which are strong for these commodities.
Evidence · text
“High-Grade (HG) sulphide composites achieved 85.1% lead recovery (at 53.6% Pb grade) and 80.6% zinc recovery (at a 61.8% Zn grade).”
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: The results are based on conventional flotation techniques.
Evidence · text
“successfully demonstrated that conventional, industry standard sulphide flotation techniques can effectively separate”
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: The release names Shane Tad Crowie, P. Eng. of JDS Energy & Mining Inc. as the Qualified Person.
Evidence · text
“conducted under the supervision of Shane Tad Crowie, P. Eng. of JDS Energy & Mining Inc. ("JDS"), a Qualified Person”
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: 6. Some facts used in scoring do not have a stored record.
Metallurgical Results (6)
flotationNorth Rackla · leadRecovery: 91.1 %Head Grade: 4.42Head Grade Unit: %View all detailsHide details
Identity
- Project
- North Rackla
- Commodity
- lead
- Region
- canada_yt
- Reported Region
- Yukon
- Ticker
- CD
Test Work
- Program Status
- preliminary
- Test Type
- flotation
- Processing Route
- flotation
- Sample
- Low-Grade (LG) sulphide composite (KM7852-08)
- Grind P80
- 75 µm
Recovery
- Recovery
- 91.1 %
- Recovery Basis
- actual_test
- Head Grade
- 4.42
- Head Grade Unit
- %
- Conc. Grade
- 51
- Conc. Grade Unit
- %
Lab
- Laboratory
- ALS Kamloops Metallurgy
- Consultant
- JDS Energy & Mining Inc.
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-06-02T00:00:00.000Z
Reasoning: Very high lead recovery from low-grade material.
Positive factors
- Exceptional recovery of 91.1%
Evidence · text
“The lead concentrate recovered 91.1% of the lead from the sample and assayed 51% lead.”
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
flotationNorth Rackla · zincRecovery: 88.4 %Head Grade: 4.56Head Grade Unit: %View all detailsHide details
Identity
- Project
- North Rackla
- Commodity
- zinc
- Region
- canada_yt
- Reported Region
- Yukon
- Ticker
- CD
Test Work
- Program Status
- preliminary
- Test Type
- flotation
- Processing Route
- flotation
- Sample
- Low-Grade (LG) sulphide composite (KM7852-08)
- Grind P80
- 75 µm
Recovery
- Recovery
- 88.4 %
- Recovery Basis
- actual_test
- Head Grade
- 4.56
- Head Grade Unit
- %
- Conc. Grade
- 51
- Conc. Grade Unit
- %
Lab
- Laboratory
- ALS Kamloops Metallurgy
- Consultant
- JDS Energy & Mining Inc.
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-06-02T00:00:00.000Z
Reasoning: High zinc recovery from low-grade material.
Positive factors
- Strong zinc recovery of 88.4%
Evidence · text
“The zinc concentrate recovered 88.4% of the zinc and assayed 51% zinc.”
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
flotationNorth Rackla · leadRecovery: 85.1 %Head Grade: 2.72Head Grade Unit: %View all detailsHide details
Identity
- Project
- North Rackla
- Commodity
- lead
- Region
- canada_yt
- Reported Region
- Yukon
- Ticker
- CD
Test Work
- Program Status
- preliminary
- Test Type
- flotation
- Processing Route
- flotation
- Sample
- High-Grade (HG) sulphide composite (KM7852-10)
- Grind P80
- 75 µm
Recovery
- Recovery
- 85.1 %
- Recovery Basis
- actual_test
- Head Grade
- 2.72
- Head Grade Unit
- %
- Conc. Grade
- 53.6
- Conc. Grade Unit
- %
Lab
- Laboratory
- ALS Kamloops Metallurgy
- Consultant
- JDS Energy & Mining Inc.
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-06-02T00:00:00.000Z
Reasoning: Strong lead recovery and high grade in HG sulphide.
Positive factors
- High grade concentrate (53.6% Pb)
Evidence · text
“High-Grade (HG) sulphide composites achieved 85.1% lead recovery (at 53.6% Pb grade)”
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
flotationNorth Rackla · zincRecovery: 80.6 %Head Grade: 4.12Head Grade Unit: %View all detailsHide details
Identity
- Project
- North Rackla
- Commodity
- zinc
- Region
- canada_yt
- Reported Region
- Yukon
- Ticker
- CD
Test Work
- Program Status
- preliminary
- Test Type
- flotation
- Processing Route
- flotation
- Sample
- High-Grade (HG) sulphide composite (KM7852-10)
- Grind P80
- 75 µm
Recovery
- Recovery
- 80.6 %
- Recovery Basis
- actual_test
- Head Grade
- 4.12
- Head Grade Unit
- %
- Conc. Grade
- 61.8
- Conc. Grade Unit
- %
Lab
- Laboratory
- ALS Kamloops Metallurgy
- Consultant
- JDS Energy & Mining Inc.
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-06-02T00:00:00.000Z
Reasoning: Good zinc recovery and high grade in HG sulphide.
Positive factors
- Premium zinc concentrate (61.8% Zn)
Evidence · text
“High-Grade (HG) sulphide composites achieved ... 80.6% zinc recovery (at a 61.8% Zn grade).”
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
flotationNorth Rackla · leadHead Grade: 3.07Head Grade Unit: %View all detailsHide details
Identity
- Project
- North Rackla
- Commodity
- lead
- Region
- canada_yt
- Reported Region
- Yukon
- Ticker
- CD
Test Work
- Program Status
- preliminary
- Test Type
- flotation
- Processing Route
- flotation
- Sample
- Oxide composite (KM7852-09)
- Grind P80
- 75 µm
Recovery
- Recovery Basis
- unspecified
- Head Grade
- 3.07
- Head Grade Unit
- %
- Conc. Grade
- 53
- Conc. Grade Unit
- %
Lab
- Laboratory
- ALS Kamloops Metallurgy
- Consultant
- JDS Energy & Mining Inc.
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-06-02T00:00:00.000Z
Reasoning: Proved oxide cap can be commercialized as lead concentrate.
Positive factors
- Successful production of saleable lead concentrate from oxide
Negative factors
- Zinc recovery in oxide was poor
Evidence · text
“cleaner testwork successfully proved that a high-quality, saleable lead concentrate grading 53.0% Pb ... can be produced from this material.”
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
flotationNorth Rackla · silverView all detailsHide details
Identity
- Project
- North Rackla
- Commodity
- silver
- Region
- canada_yt
- Reported Region
- Yukon
- Ticker
- CD
Test Work
- Program Status
- preliminary
- Test Type
- flotation
- Processing Route
- flotation
- Sample
- High-Grade (HG) sulphide lead concentrate
Recovery
- Conc. Grade
- 960
- Conc. Grade Unit
- g/t Ag
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-06-02T00:00:00.000Z
Reasoning: High silver credits in HG lead concentrate.
Positive factors
- Exceptional silver grade in concentrate
Evidence · text
“delivering stellar grades of 960 g/t Ag (HG)”
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation 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.