# Pecoy Copper Phase 1 Metallurgical Review Identifies Potential Step-Change in Gold Recovery and Optimization Opportunities

Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/pecoy-copper-phase-1-metallurgical-review-identifies-potential-step-change-in-go--66bb8ba9-c95b-4330-94a4-8dddab4f73d5

Original source: https://money.tmx.com/en/quote/PCU/news/4743938318778576/pecoy-copper-phase-1-metallurgical-review-identifies-potential-step-change-in-go

Publisher: tmx

Original announcement: 2026-05-26T10:30:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- 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

Narrative sentiment: 0.60 · Bullish

## Minestarters Atlas 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 factor: Significant potential step-change in gold recovery \(from ~40% to ~73%\)

- Positive factor: Identification of molybdenum optionality as a second revenue stream

- Positive factor: Maintains strong copper recoveries \(90-93%\)

- Positive factor: Independent review by Global Resource Engineering

- Negative factor: Results are based on simulations and require Phase 2 confirmatory testing

- Negative factor: Molybdenum circuit involves trade-offs like potential copper losses

Facts used in scoring: 9

## Classification and evidence

**Mill Route**

Polarity: neutral

Definition: 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 Only**

Polarity: negative

Definition: 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 Route**

Polarity: neutral

Definition: 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 Tested**

Polarity: positive

Definition: 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)

### flotation

[Link to this fact](https://atlas-extractions.minestarters.com/news/pecoy-copper-phase-1-metallurgical-review-identifies-potential-step-change-in-go--66bb8ba9-c95b-4330-94a4-8dddab4f73d5#fact-metallurgical-facts-0)

Pecoy · copper

#### 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 factor: Strong copper recovery

Evidence · table

> 90%

Context: Primary – South Breccia

#### Tags used in scoring

**Mill Route**

Polarity: neutral

Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\).

Why it applies: processing\_route matches the flotation signal

### flotation

[Link to this fact](https://atlas-extractions.minestarters.com/news/pecoy-copper-phase-1-metallurgical-review-identifies-potential-step-change-in-go--66bb8ba9-c95b-4330-94a4-8dddab4f73d5#fact-metallurgical-facts-1)

Pecoy · gold

#### 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 factor: Significant improvement over historical 40% recovery

- Negative factor: Subject to Phase 2 validation

Evidence · table

> 73%

Context: Primary – South Breccia

#### Tags used in scoring

**Mill Route**

Polarity: neutral

Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\).

Why it applies: processing\_route matches the flotation signal

**Low Recovery**

Polarity: negative

Definition: Recovery below the weak band for the commodity and processing route.

Why it applies: 73% is below the weak band \(80%\)

### flotation

[Link to this fact](https://atlas-extractions.minestarters.com/news/pecoy-copper-phase-1-metallurgical-review-identifies-potential-step-change-in-go--66bb8ba9-c95b-4330-94a4-8dddab4f73d5#fact-metallurgical-facts-2)

Pecoy · silver

#### 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 Route**

Polarity: neutral

Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\).

Why it applies: processing\_route matches the flotation signal

### flotation

[Link to this fact](https://atlas-extractions.minestarters.com/news/pecoy-copper-phase-1-metallurgical-review-identifies-potential-step-change-in-go--66bb8ba9-c95b-4330-94a4-8dddab4f73d5#fact-metallurgical-facts-3)

Pecoy · molybdenum

#### 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 factor: Potential for separate molybdenum concentrate

Evidence · table

> 74%

Context: Primary – South Breccia

#### Tags used in scoring

**Mill Route**

Polarity: neutral

Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\).

Why it applies: processing\_route matches the flotation signal

### flotation

[Link to this fact](https://atlas-extractions.minestarters.com/news/pecoy-copper-phase-1-metallurgical-review-identifies-potential-step-change-in-go--66bb8ba9-c95b-4330-94a4-8dddab4f73d5#fact-metallurgical-facts-4)

Pecoy · copper

#### 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 Route**

Polarity: neutral

Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\).

Why it applies: processing\_route matches the flotation signal

**High Recovery**

Polarity: positive

Definition: Recovery at or above the exceptional band for the commodity and processing route.

Why it applies: 93% is at or above the exceptional band \(92%\)

### flotation

[Link to this fact](https://atlas-extractions.minestarters.com/news/pecoy-copper-phase-1-metallurgical-review-identifies-potential-step-change-in-go--66bb8ba9-c95b-4330-94a4-8dddab4f73d5#fact-metallurgical-facts-5)

Pecoy · gold

#### 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 Route**

Polarity: neutral

Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\).

Why it applies: processing\_route matches the flotation signal

**Low Recovery**

Polarity: negative

Definition: Recovery below the weak band for the commodity and processing route.

Why it applies: 70% is below the weak band \(80%\)

### flotation

[Link to this fact](https://atlas-extractions.minestarters.com/news/pecoy-copper-phase-1-metallurgical-review-identifies-potential-step-change-in-go--66bb8ba9-c95b-4330-94a4-8dddab4f73d5#fact-metallurgical-facts-6)

Pecoy · silver

#### 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 Route**

Polarity: neutral

Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\).

Why it applies: processing\_route matches the flotation signal

### flotation

[Link to this fact](https://atlas-extractions.minestarters.com/news/pecoy-copper-phase-1-metallurgical-review-identifies-potential-step-change-in-go--66bb8ba9-c95b-4330-94a4-8dddab4f73d5#fact-metallurgical-facts-7)

Pecoy · molybdenum

#### 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 Route**

Polarity: neutral

Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\).

Why it applies: processing\_route matches the flotation signal

### flotation

[Link to this fact](https://atlas-extractions.minestarters.com/news/pecoy-copper-phase-1-metallurgical-review-identifies-potential-step-change-in-go--66bb8ba9-c95b-4330-94a4-8dddab4f73d5#fact-metallurgical-facts-8)

Pecoy · gold

Historical result

Needs review: historical\_restatement

#### 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 factor: Low historical recovery

Evidence · table

> 36.3%

Context: Oxide and Supergene

#### Tags used in scoring

**Mill Route**

Polarity: neutral

Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\).

Why it applies: processing\_route matches the flotation signal

**Low Recovery**

Polarity: negative

Definition: 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.