# 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-extractions.minestarters.com/news/homerun-resources-inc-thermal-pre-treatment-with-acid-leaching-produces-plus-4n--455f5b3f-d611-49f2-9df0-f33cb03a3a09

Original source: https://money.tmx.com/en/quote/HMR/news/6641456137734175/homerun-resources-inc-thermal-pre-treatment-with-acid-leaching-produces-plus-4n-

Publisher: tmx

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: TSX

- Region: Bahia, Brazil

- Primary commodity: Silica

- Secondary commodities: None reported

- Document categories: Metallurgy, Other

- Extracted: 2026-09-12 06:30:14 UTC

Narrative sentiment: 0.80 · Bullish

## Minestarters Atlas summary

Homerun Resources has successfully produced high-purity \(+4N\) silica sand using an optimized 2-hour thermal pre-treatment and acid leaching process. The purified material has been shipped for customer qualification and advanced materials research at UC Davis, demonstrating a potentially lower-cost pathway for production scale-up.

Reasoning: The test-work successfully demonstrated a low-impurity \(+99.99% SiO2\) product using an optimized, lower-energy thermal/acid leach route, advancing the project toward commercial qualification.

- Positive factor: Successful production of +4N purified silica material

- Positive factor: Optimization of thermal pre-treatment duration \(2 hours\) reducing energy/cost potential

- Positive factor: Bulk sample production enables customer qualification and research engagement

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 is a chemical/mechanical processing route.

Evidence · text

> Thermal Pre-Treatment with Acid 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: 2. Some facts used in scoring do not have a stored record.

## Metallurgical Results (2)

### thermal pre-treatment and acid leaching

[Link to this fact](https://atlas-extractions.minestarters.com/news/homerun-resources-inc-thermal-pre-treatment-with-acid-leaching-produces-plus-4n--455f5b3f-d611-49f2-9df0-f33cb03a3a09#fact-metallurgical-facts-0)

Santa Maria Eterna · silica

#### Identity

- Project: Santa Maria Eterna
- Commodity: silica
- Region: brazil
- Reported Region: Bahia, Brazil
- Ticker: HMR

#### Test Work

- Program Status: detailed
- Test Type: thermal pre-treatment and acid leaching
- Processing Route: 2-hour thermal pre-treatment followed by acid leaching
- Sample: bulk purified silica material following 2-hour thermal pre-treatment and acid leaching

#### Recovery

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

#### Lab

- Laboratory: Dorfner Anzaplan GmbH
- Consultant: Dorfner Anzaplan GmbH

#### Review

- Needs Review: No
- Historical: No

#### Dates

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

Reasoning: High purity concentrate achieved via optimized processing route.

- Positive factor: Achieved +4N purity \(+99.99% SiO2\)

- Positive factor: Optimized heating duration reduces energy/cost potential

Evidence · text

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

### thermal pre-treatment and acid leaching

[Link to this fact](https://atlas-extractions.minestarters.com/news/homerun-resources-inc-thermal-pre-treatment-with-acid-leaching-produces-plus-4n--455f5b3f-d611-49f2-9df0-f33cb03a3a09#fact-metallurgical-facts-1)

Santa Maria Eterna · silica

#### Identity

- Project: Santa Maria Eterna
- Commodity: silica
- Region: brazil
- Reported Region: Bahia, Brazil
- Ticker: HMR

#### Test Work

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

#### Recovery

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

#### Lab

- Laboratory: Dorfner Anzaplan GmbH
- Consultant: Dorfner Anzaplan GmbH

#### Review

- Needs Review: No
- Historical: No

#### Dates

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

Reasoning: Low impurity levels support high-purity product classification.

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

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.
