# Homerun Resources Inc. Thermal Pre-Treatment with Acid Leaching Produces Plus 4N Silica Sand Supporting Bulk Sample Distribution and Advanced Materials Development

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/homerun-resources-inc-thermal-pre-treatment-with-acid-leaching-produces-plus-4n--3ac68ac5-07a7-41c9-92c5-4273dae3c51f

Original source: https://www.newsfilecorp.com/release/311789/Homerun-Resources-Inc.-Thermal-PreTreatment-with-Acid-Leaching-Produces-Plus-4N-Silica-Sand-Supporting-Bulk-Sample-Distribution-and-Advanced-Materials-Development

Publisher: newsfile

Original announcement: 2026-08-27T12:00:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Homerun Resources Inc.

- Ticker: HMR

- Exchange: Unavailable

- Region: Bahia, Brazil

- Primary commodity: Silica

- Secondary commodities: None reported

- Document categories: Metallurgy

- Extracted: 2026-08-27 12:03:52 UTC

Narrative sentiment: 0.80 · Bullish

## Minestarters Atlas summary

Homerun Resources has successfully produced +4N \(99.99%\) purity silica sand through a 2-hour thermal pre-treatment and acid leaching process. The purified material, containing only 81 ppm impurities, has been shipped to prospective customers and research partners for qualification.

Reasoning: The test-work successfully demonstrated a high-purity \(+4N\) silica product using an optimized, low-energy thermal and acid leaching route, which is a critical milestone for commercialization.

- Positive factor: Successful production of +4N \(99.99%\) purity silica

- Positive factor: Low impurity levels \(81 ppm\) achieved with minimal heating duration

- Positive factor: Demonstrated reproducibility of processing at scale

- Positive factor: Bulk samples shipped for customer qualification

Facts used in scoring: 2

## Classification and evidence

**Mill Route**

Polarity: neutral

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

Why it applies: The process involves thermal pre-treatment and acid leaching, which are part of a processing plant/mill flowsheet.

Evidence · text

> Thermal Pre-Treatment with Acid Leaching

## Extracted facts

Stored fact records: 2. Some facts used in scoring do not have a stored record.

## Metallurgical Results (2)

### thermal pre-treatment followed by acid leaching

[Link to this fact](https://atlas-staging.minestarters.com/news/homerun-resources-inc-thermal-pre-treatment-with-acid-leaching-produces-plus-4n--3ac68ac5-07a7-41c9-92c5-4273dae3c51f#fact-metallurgical-facts-0)

silica

#### Identity

- Commodity: silica
- Ticker: HMR

#### Test Work

- Program Status: detailed
- Test Type: thermal pre-treatment followed by acid leaching
- Processing Route: 2-hour thermal pre-treatment followed by acid leaching
- Sample: bulk purified silica material \(+99.99% SiO2\) via 2-hour thermal pre-treatment and acid leaching

#### Recovery

- Conc. Grade: 99.99
- Conc. Grade Unit: % SiO2

#### Lab

- Laboratory: Dorfner Anzaplan GmbH

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-08-27T00:00:00.000Z

Reasoning: Achieving 99.99% purity with low impurities \(81 ppm\) via a short 2-hour thermal cycle is a significant technical success.

- Positive factor: High purity achieved \(+4N\)

- Positive factor: Low impurity level \(81 ppm\)

Evidence · text

> successfully produced bulk purified silica material \(+99.99% SiO2\)

### thermal pre-treatment followed by acid leaching

[Link to this fact](https://atlas-staging.minestarters.com/news/homerun-resources-inc-thermal-pre-treatment-with-acid-leaching-produces-plus-4n--3ac68ac5-07a7-41c9-92c5-4273dae3c51f#fact-metallurgical-facts-1)

silica

#### Identity

- Commodity: silica
- Ticker: HMR

#### Test Work

- Program Status: detailed
- Test Type: thermal pre-treatment followed by acid leaching
- Processing Route: 2-hour thermal pre-treatment followed by acid leaching
- Sample: impurities in purified silica

#### Recovery

- Conc. Grade: 81
- Conc. Grade Unit: ppm

#### Lab

- Laboratory: Dorfner Anzaplan GmbH

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-08-27T00:00:00.000Z

Reasoning: 81 ppm impurities is a very low level for silica purification processes.

- Positive factor: Low impurity count \(81 ppm\)

Evidence · text

> delivered the lowest overall impurities at 81 ppm

## 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.