# Rapid Silver and Gold Recoveries From Metallurgical Test Work

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/rapid-silver-and-gold-recoveries-from-metallurgical-test-work--43078f7a-4fea-4deb-a28c-64d333d7d811

Original source: https://www.prnewswire.com/news-releases/rapid-silver-and-gold-recoveries-from-metallurgical-test-work-302908194.html

Publisher: prnewswire

Original announcement: 2026-10-14T11:31:54.193Z

Analysis by Minestarters Atlas

Atlas analysis published: 2026-10-14T11:33:56.447Z

Atlas analysis updated: 2026-10-14T11:33:56.447Z

- Company: Sun Silver Limited

- Ticker: SS1

- Exchange: Unavailable

- Region: Nevada, USA

- Primary commodity: Silver

- Secondary commodities: Gold, Antimony

- Document categories: Metallurgy

- Extracted: 2026-10-14 11:33:57 UTC

Narrative sentiment: 0.80 · Bullish

## Minestarters Atlas summary

Sun Silver reported rapid silver and gold recoveries from cyanide leach testwork at the Maverick Silver Project in Nevada. Results from two composite samples demonstrated high extraction rates within 24 to 48 hours, supporting the evaluation of a tank-leach/CIL processing route.

Reasoning: Highly encouraging metallurgical results showing rapid silver and gold recoveries under optimised cyanide leach conditions, supporting a tank-leach/CIL pathway.

- Positive factor: Rapid extraction kinetics \(24-48 hours\)

- Positive factor: High recoveries for both silver and gold

- Positive factor: Successful reagent optimisation \(lower cyanide/lead nitrate\)

- Positive factor: Potential for antimony recovery via tank-leach/CIL

- Negative factor: Interim results are indicative point-in-time extractions

Facts used in scoring: 4

## Classification and evidence

**Mill Route**

Polarity: neutral

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

Why it applies: The company is evaluating tank-leach/CIL processing pathways.

Evidence · text

> Tank-leach/CIL may provide greater flexibility for potential antimony 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 \("heap-leach"\)

**Single Domain Only**

Polarity: negative

Definition: Testing limited to one composite or domain — representativeness not established.

Why it applies: only one composite was tested

## Extracted facts

Stored fact records: 4. Some facts used in scoring do not have a stored record.

## Metallurgical Results (4)

### cyanide leach bottle-roll

[Link to this fact](https://atlas-staging.minestarters.com/news/rapid-silver-and-gold-recoveries-from-metallurgical-test-work--43078f7a-4fea-4deb-a28c-64d333d7d811#fact-metallurgical-facts-0)

Maverick Silver Project · silver

#### Identity

- Project: Maverick Silver Project
- Commodity: silver
- Region: usa\_nv
- Reported Region: Nevada, USA
- Ticker: SS1

#### Test Work

- Program Status: optimization
- Test Type: cyanide leach bottle-roll
- Processing Route: cyanide leach
- Sample: Sample 1 \(LT15\) - 147kg total weight, oxide and transitional mineralisation, P80 53µm grind, 5,000 ppm initial / 2,500 ppm-maintained NaCN
- Grind P80: 53 µm

#### Recovery

- Recovery: 84.5 %
- Recovery Basis: actual\_test

#### Lab

- Laboratory: Independent Metallurgical Operations \(IMO\), a subsidiary of SGS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-10-14T00:00:00.000Z

Reasoning: Strong silver recovery achieved under high cyanide regime.

- Positive factor: Rapid extraction within 24 hours

### cyanide leach bottle-roll

[Link to this fact](https://atlas-staging.minestarters.com/news/rapid-silver-and-gold-recoveries-from-metallurgical-test-work--43078f7a-4fea-4deb-a28c-64d333d7d811#fact-metallurgical-facts-1)

Maverick Silver Project · gold

#### Identity

- Project: Maverick Silver Project
- Commodity: gold
- Region: usa\_nv
- Reported Region: Nevada, USA
- Ticker: SS1

#### Test Work

- Program Status: optimization
- Test Type: cyanide leach bottle-roll
- Processing Route: cyanide leach
- Sample: Sample 1 \(LT15\) - 147kg total weight, oxide and transitional mineralisation, P80 53µm grind, 5,000 ppm initial / 2,500 ppm-maintained NaCN
- Grind P80: 53 µm

#### Recovery

- Recovery: 83.6 %
- Recovery Basis: actual\_test

#### Lab

- Laboratory: Independent Metallurgical Operations \(IMO\), a subsidiary of SGS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-10-14T00:00:00.000Z

Reasoning: Strong gold recovery achieved under high cyanide regime.

- Positive factor: Rapid extraction within 24 hours

### cyanide leach bottle-roll

[Link to this fact](https://atlas-staging.minestarters.com/news/rapid-silver-and-gold-recoveries-from-metallurgical-test-work--43078f7a-4fea-4deb-a28c-64d333d7d811#fact-metallurgical-facts-2)

Maverick Silver Project · silver

#### Identity

- Project: Maverick Silver Project
- Commodity: silver
- Region: usa\_nv
- Reported Region: Nevada, USA
- Ticker: SS1

#### Test Work

- Program Status: optimization
- Test Type: cyanide leach bottle-roll
- Processing Route: cyanide leach
- Sample: Sample 2 \(LT22\) - 127kg total weight, oxide and transitional mineralisation, P80 53µm grind, 3,000 ppm initial / 1,500 ppm-maintained NaCN, 500 ppm lead nitrate
- Grind P80: 53 µm

#### Recovery

- Recovery: 87.6 %
- Recovery Basis: actual\_test

#### Lab

- Laboratory: Independent Metallurgical Operations \(IMO\), a subsidiary of SGS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-10-14T00:00:00.000Z

Reasoning: Excellent silver recovery achieved under a more moderate reagent regime.

- Positive factor: High recovery achieved with reduced cyanide dosage

- Positive factor: Successful use of lead nitrate to accelerate kinetics

### cyanide leach bottle-roll

[Link to this fact](https://atlas-staging.minestarters.com/news/rapid-silver-and-gold-recoveries-from-metallurgical-test-work--43078f7a-4fea-4deb-a28c-64d333d7d811#fact-metallurgical-facts-3)

Maverick Silver Project · gold

#### Identity

- Project: Maverick Silver Project
- Commodity: gold
- Region: usa\_nv
- Reported Region: Nevada, USA
- Ticker: SS1

#### Test Work

- Program Status: optimization
- Test Type: cyanide leach bottle-roll
- Processing Route: cyanide leach
- Sample: Sample 2 \(LT22\) - 127kg total weight, oxide and transitional mineralisation, P80 53µm grind, 3,000 ppm initial / 1,500 ppm-maintained NaCN, 500 ppm lead nitrate
- Grind P80: 53 µm

#### Recovery

- Recovery: 87.5 %
- Recovery Basis: actual\_test

#### Lab

- Laboratory: Independent Metallurgical Operations \(IMO\), a subsidiary of SGS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-10-14T00:00:00.000Z

Reasoning: Excellent gold recovery achieved under a more moderate reagent regime.

- Positive factor: High recovery achieved with reduced cyanide dosage

## 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.
