# Peruvian Metals Announces Gold Recoveries of 89% in Sulphides at Palta Dorada

Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/peruvian-metals-announces-gold-recoveries-of-89-in-sulphides-at-palta-dorada--1f826254-7e60-4108-9790-ad129c2346f2

Original source: https://money.tmx.com/en/quote/PER/news/5081352568413638/peruvian-metals-announces-gold-recoveries-of-89-in-sulphides-at-palta-dorada

Publisher: tmx

Original announcement: 2026-01-21T12:30:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Peruvian Metals Corp

- Ticker: PER

- Exchange: TSX

- Region: Northern Peru

- Primary commodity: Gold

- Secondary commodities: Silver

- Document categories: Metallurgy

- Extracted: 2026-09-12 18:53:55 UTC

Narrative sentiment: 0.60 · Bullish

## Minestarters Atlas summary

Peruvian Metals has announced updated metallurgical results for its Palta Dorada Gold-Silver property in Peru. Testing on sulphide material via flotation yielded 89% gold recovery, while oxide material via agitated cyanide leaching returned 82% gold recovery.

Reasoning: The release reports successful metallurgical testwork on two distinct ore domains \(oxide and sulphide\) with gold recoveries meeting or exceeding expectations for their respective routes.

- Positive factor: Recoveries exceeding 80% for both oxide and sulphide material

- Positive factor: Sulphide gold recovery of 89% via flotation

- Positive factor: Oxide gold recovery of 82% via cyanide leaching

- Positive factor: QP sign-off provided

- Negative factor: Silver recoveries are relatively low \(58-61%\)

- Negative factor: Historical sample mentioned was not representative

Facts used in scoring: 5

## Classification and evidence

**QP/CP Signed**

Polarity: positive

Story-specific tag

Definition: 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: Jeffrey Reeder, P. Geo., is named as the Qualified Person who reviewed and approved the technical contents.

Evidence · text

> Qualified Person Jeffrey Reeder, P. Geo., is the Qualified Person, as defined by National Instrument 43-101

**Mill Route**

Polarity: neutral

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

Why it applies: the document describes a mill\_cil route \("CIP"\)

**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: 5. Some facts used in scoring do not have a stored record.

## Metallurgical Results (5)

### flotation

[Link to this fact](https://atlas-extractions.minestarters.com/news/peruvian-metals-announces-gold-recoveries-of-89-in-sulphides-at-palta-dorada--1f826254-7e60-4108-9790-ad129c2346f2#fact-metallurgical-facts-0)

Palta Dorada · gold

#### Identity

- Project: Palta Dorada
- Commodity: gold
- Region: peru
- Reported Region: Northern Peru
- Ticker: PER

#### Test Work

- Test Type: flotation
- Processing Route: flotation
- Sample: sulphide material from San Juan vein shaft

#### Recovery

- Recovery: 89 %
- Recovery Basis: actual\_test
- Head Grade: 8.3
- Head Grade Unit: g/t

#### Lab

- Laboratory: Procesmin Ingenieros SRL

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-01-21T00:00:00.000Z

Reasoning: High gold recovery on sulphide material via flotation.

- Positive factor: 89% recovery is strong for sulphide flotation

Evidence · text

> Precious metal recoveries on the sulphide material using flotation returned 89% for gold

#### 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/peruvian-metals-announces-gold-recoveries-of-89-in-sulphides-at-palta-dorada--1f826254-7e60-4108-9790-ad129c2346f2#fact-metallurgical-facts-1)

Palta Dorada · silver

#### Identity

- Project: Palta Dorada
- Commodity: silver
- Region: peru
- Reported Region: Northern Peru
- Ticker: PER

#### Test Work

- Test Type: flotation
- Processing Route: flotation
- Sample: sulphide material from San Juan vein shaft

#### Recovery

- Recovery: 61 %
- Recovery Basis: actual\_test
- Head Grade: 3.39
- Head Grade Unit: oz/mt

#### Lab

- Laboratory: Procesmin Ingenieros SRL

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-01-21T00:00:00.000Z

Reasoning: Moderate silver recovery via flotation.

- Negative factor: 61% silver recovery is relatively low

Evidence · text

> returned 89% for gold and 61% for silver

#### 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: 61% is below the weak band \(75%\)

### agitated cyanide leaching

[Link to this fact](https://atlas-extractions.minestarters.com/news/peruvian-metals-announces-gold-recoveries-of-89-in-sulphides-at-palta-dorada--1f826254-7e60-4108-9790-ad129c2346f2#fact-metallurgical-facts-2)

Palta Dorada · gold

#### Identity

- Project: Palta Dorada
- Commodity: gold
- Region: peru
- Reported Region: Northern Peru
- Ticker: PER

#### Test Work

- Test Type: agitated cyanide leaching
- Processing Route: agitated cyanide leaching
- Sample: oxide material from San Juan vein shaft
- Leach Time: 48 hours

#### Recovery

- Recovery: 82 %
- Recovery Basis: actual\_test
- Head Grade: 35.1
- Head Grade Unit: g/t

#### Lab

- Laboratory: Procesmin Ingenieros SRL

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-01-21T00:00:00.000Z

Reasoning: Good gold recovery on high-grade oxide material.

- Positive factor: 82% recovery is solid for oxide cyanide leach

Evidence · text

> Agitated cyanide leaching results show recoveries of 82% for gold

### agitated cyanide leaching

[Link to this fact](https://atlas-extractions.minestarters.com/news/peruvian-metals-announces-gold-recoveries-of-89-in-sulphides-at-palta-dorada--1f826254-7e60-4108-9790-ad129c2346f2#fact-metallurgical-facts-3)

Palta Dorada · silver

#### Identity

- Project: Palta Dorada
- Commodity: silver
- Region: peru
- Reported Region: Northern Peru
- Ticker: PER

#### Test Work

- Test Type: agitated cyanide leaching
- Processing Route: agitated cyanide leaching
- Sample: oxide material from San Juan vein shaft
- Leach Time: 48 hours

#### Recovery

- Recovery: 58 %
- Recovery Basis: actual\_test
- Head Grade: 1.51
- Head Grade Unit: oz/mt

#### Lab

- Laboratory: Procesmin Ingenieros SRL

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-01-21T00:00:00.000Z

Reasoning: Low silver recovery via cyanide leaching.

- Negative factor: 58% silver recovery is low

Evidence · text

> and 58% for silver over 48 hours

#### Tags used in scoring

**Low Recovery**

Polarity: negative

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

Why it applies: 58% is below the weak band \(75%\)

### Fact 5

[Link to this fact](https://atlas-extractions.minestarters.com/news/peruvian-metals-announces-gold-recoveries-of-89-in-sulphides-at-palta-dorada--1f826254-7e60-4108-9790-ad129c2346f2#fact-metallurgical-facts-4)

Palta Dorada · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Palta Dorada
- Commodity: gold
- Region: peru
- Reported Region: Northern Peru
- Ticker: PER

#### Test Work

- Sample: oxide material \(June 2022 sample\)

#### Recovery

- Recovery: 90 %
- Recovery Basis: actual\_test
- Head Grade: 9.74
- Head Grade Unit: g/t

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2022-06-01T00:00:00.000Z

#### Dates

- Event date: 2026-01-21T00:00:00.000Z

Reasoning: Historical oxide recovery result.

- Positive factor: 90% recovery is high

Evidence · text

> gold recoveries of 90%

## 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.