Pecoy Copper Phase 1 Metallurgical Review Identifies Potential Step-Change in Gold Recovery and Optimization Opportunities
Original announcement by tmx on
- Company
- Pecoy Copper Corp.
- Ticker
- PCU
- Exchange
- TSX
- Region
- Peru
- Primary commodity
- Copper
- Secondary commodities
- Gold, Silver, Molybdenum
- Document categories
- Metallurgy
- Extracted
- 2026-09-18 14:49:17 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Pecoy Copper has announced results from a Phase 1 metallurgical review by Global Resource Engineering, which suggests a significant potential increase in gold recovery from ~40% to ~73% through flotation optimization. The review also identifies molybdenum as a potential second payable product stream, offering enhanced economic optionality for the Pecoy project in Peru.
Reasoning: The review identifies a major technical opportunity to unlock gold and molybdenum value through flowsheet optimization, significantly improving the project's economic leverage.
Positive factors
- Significant potential step-change in gold recovery (from ~40% to ~73%)
- Identification of molybdenum optionality as a second revenue stream
- Maintains strong copper recoveries (90-93%)
- Independent review by Global Resource Engineering
Negative factors
- Results are based on simulations and require Phase 2 confirmatory testing
- Molybdenum circuit involves trade-offs like potential copper losses
Facts used in scoring: 9
Classification and evidence
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: Review focuses on flotation performance and flowsheet modifications.
Evidence · text
“flotation performance through a broader payable-metals lens”
Bench Scale Onlynegative
Only preliminary bench tests completed — no locked-cycle or pilot work.
Why it applies: The review is a Phase 1 review based on historical test work and simulations, not pilot-scale testing.
Evidence · text
“The Phase 1 review outlines: A potential to significantly improve gold recovery”
Heap Leach Routeneutral
Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.
Why it applies: the document describes a heap_leach route ("heap leaching")
Multi-Domain Testedpositive
Variability across ore domains (oxide, transition, fresh) has been addressed.
Why it applies: 2 distinct composites were tested
Extracted facts
Stored fact records: 9. Some facts used in scoring do not have a stored record.
Metallurgical Results (9)
flotationPecoy · copperRecovery: 90 %View all detailsHide details
Identity
- Project
- Pecoy
- Commodity
- copper
- Region
- peru
- Reported Region
- Peru
- Ticker
- PCU
Test Work
- Program Status
- scoping
- Test Type
- flotation
- Processing Route
- flotation
- Sample
- Primary – South Breccia
Recovery
- Recovery
- 90 %
- Recovery Basis
- unspecified
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-26T00:00:00.000Z
Reasoning: 90% recovery is a strong baseline for a copper project.
Positive factors
- Strong copper recovery
Evidence · table
“90%”
Context: Primary – South Breccia
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
flotationPecoy · goldRecovery: 73 %View all detailsHide details
Identity
- Project
- Pecoy
- Commodity
- gold
- Region
- peru
- Reported Region
- Peru
- Ticker
- PCU
Test Work
- Program Status
- scoping
- Test Type
- flotation
- Processing Route
- flotation
- Sample
- Primary – South Breccia
Recovery
- Recovery
- 73 %
- Recovery Basis
- unspecified
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-26T00:00:00.000Z
Reasoning: The jump from 40% to 73% gold recovery represents a major value unlock.
Positive factors
- Significant improvement over historical 40% recovery
Negative factors
- Subject to Phase 2 validation
Evidence · table
“73%”
Context: Primary – South Breccia
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
Low Recoverynegative
Recovery below the weak band for the commodity and processing route.
Why it applies: 73% is below the weak band (80%)
flotationPecoy · silverRecovery: 85 %View all detailsHide details
Identity
- Project
- Pecoy
- Commodity
- silver
- Region
- peru
- Reported Region
- Peru
- Ticker
- PCU
Test Work
- Program Status
- scoping
- Test Type
- flotation
- Processing Route
- flotation
- Sample
- Primary – South Breccia
Recovery
- Recovery
- 85 %
- Recovery Basis
- unspecified
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-26T00:00:00.000Z
Reasoning: Solid silver recovery estimate.
Evidence · table
“85%”
Context: Primary – South Breccia
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
flotationPecoy · molybdenumRecovery: 74 %View all detailsHide details
Identity
- Project
- Pecoy
- Commodity
- molybdenum
- Region
- peru
- Reported Region
- Peru
- Ticker
- PCU
Test Work
- Program Status
- scoping
- Test Type
- flotation
- Processing Route
- flotation
- Sample
- Primary – South Breccia
Recovery
- Recovery
- 74 %
- Recovery Basis
- unspecified
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-26T00:00:00.000Z
Reasoning: Adds a second payable product stream.
Positive factors
- Potential for separate molybdenum concentrate
Evidence · table
“74%”
Context: Primary – South Breccia
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
flotationPecoy · copperRecovery: 93 %View all detailsHide details
Identity
- Project
- Pecoy
- Commodity
- copper
- Region
- peru
- Reported Region
- Peru
- Ticker
- PCU
Test Work
- Program Status
- scoping
- Test Type
- flotation
- Processing Route
- flotation
- Sample
- Primary – Granite
Recovery
- Recovery
- 93 %
- Recovery Basis
- unspecified
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-26T00:00:00.000Z
Reasoning: High copper recovery.
Evidence · table
“93%”
Context: Primary – Granite
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
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: 93% is at or above the exceptional band (92%)
flotationPecoy · goldRecovery: 70 %View all detailsHide details
Identity
- Project
- Pecoy
- Commodity
- gold
- Region
- peru
- Reported Region
- Peru
- Ticker
- PCU
Test Work
- Program Status
- scoping
- Test Type
- flotation
- Processing Route
- flotation
- Sample
- Primary – Granite
Recovery
- Recovery
- 70 %
- Recovery Basis
- unspecified
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-26T00:00:00.000Z
Reasoning: Significant improvement over historical ~40%.
Evidence · table
“70%”
Context: Primary – Granite
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
Low Recoverynegative
Recovery below the weak band for the commodity and processing route.
Why it applies: 70% is below the weak band (80%)
flotationPecoy · silverRecovery: 84 %View all detailsHide details
Identity
- Project
- Pecoy
- Commodity
- silver
- Region
- peru
- Reported Region
- Peru
- Ticker
- PCU
Test Work
- Program Status
- scoping
- Test Type
- flotation
- Processing Route
- flotation
- Sample
- Primary – Granite
Recovery
- Recovery
- 84 %
- Recovery Basis
- unspecified
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-26T00:00:00.000Z
Reasoning: Consistent silver recovery.
Evidence · table
“84%”
Context: Primary – Granite
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
flotationPecoy · molybdenumRecovery: 72 %View all detailsHide details
Identity
- Project
- Pecoy
- Commodity
- molybdenum
- Region
- peru
- Reported Region
- Peru
- Ticker
- PCU
Test Work
- Program Status
- scoping
- Test Type
- flotation
- Processing Route
- flotation
- Sample
- Primary – Granite
Recovery
- Recovery
- 72 %
- Recovery Basis
- unspecified
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-05-26T00:00:00.000Z
Reasoning: Identified molybdenum optionality.
Evidence · table
“72%”
Context: Primary – Granite
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
flotationPecoy · goldRecovery: 36.3 %Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Pecoy
- Commodity
- gold
- Region
- peru
- Reported Region
- Peru
- Ticker
- PCU
Test Work
- Program Status
- scoping
- Test Type
- flotation
- Processing Route
- flotation
- Sample
- Oxide and Supergene (Historical 2014)
Recovery
- Recovery
- 36.3 %
- Recovery Basis
- actual_test
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2014-01-01T00:00:00.000Z
Dates
- Event date
- 2026-05-26T00:00:00.000Z
Reasoning: Historical baseline for comparison.
Negative factors
- Low historical recovery
Evidence · table
“36.3%”
Context: Oxide and Supergene
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
Low Recoverynegative
Recovery below the weak band for the commodity and processing route.
Why it applies: 36.3% 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.