# RPX Gold Announces Positive Metallurgical Test Results

Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6

Original source: https://money.tmx.com/en/quote/RPX/news/8752642803242762/rpx-gold-announces-positive-metallurgical-test-results

Publisher: tmx

Original announcement: 2026-09-02T10:48:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: RPX Gold Inc.

- Ticker: RPX

- Exchange: TSX

- Region: Ontario

- Primary commodity: Gold

- Secondary commodities: None reported

- Document categories: Metallurgy, Economic study, Resource update

- Extracted: 2026-09-18 18:22:27 UTC

Narrative sentiment: 0.80 · Bullish

## Minestarters Atlas summary

RPX Gold announced positive preliminary metallurgical test results from its Wawa Gold Project in Ontario, showing average gold recoveries of 93.4% for open-pit samples and 88.3% for underground samples using conventional cyanidation. These results validate the processing assumptions from the 2026 PEA and support the company's plan to advance the project towards a Pre-Feasibility Study by mid-2027. The program tested 26 of 71 samples, with some indicating elevated arsenic levels.

Reasoning: RPX Gold announced positive preliminary metallurgical test results from its Wawa Gold Project, demonstrating high gold recoveries via conventional cyanidation for both open-pit and underground material. These results are encouraging and support the project's development assumptions and progression towards a PFS, although they are preliminary and some samples contain arsenic.

- Positive factor: High gold recoveries achieved through conventional cyanidation

- Positive factor: Results validate processing assumptions for the Wawa Gold Project

- Positive factor: Supports advancement towards a Pre-Feasibility Study \(PFS\)

- Negative factor: Results are preliminary, covering only 26 of 71 samples

- Negative factor: Some samples show elevated arsenic content, indicating potential processing considerations

Facts used in scoring: 29

## Classification and evidence

**Multi-Domain Tested**

Polarity: positive

Definition: Variability across ore domains \(oxide, transition, fresh\) has been addressed.

Why it applies: 22 distinct composites were tested

## Extracted facts

Stored fact records: 28. Some facts used in scoring do not have a stored record.

## Resource Estimates (2)

### indicated

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-resource-facts-27)

Wawa Gold Project · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Resource scope

- Estimate type: resource
- Resource group id: resource:1194391d819795fc9e82

#### Resource Data

- Category: indicated
- Tonnes: 22909000
- Grade: 1.69
- Grade Unit: g/t
- Contained Metal: 1244000
- Contained Unit: oz

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2026-02-18T00:00:00.000Z

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: Restatement of the indicated mineral resource from the 2026 PEA.

- Positive factor: Defines a significant indicated resource base for the project

- Negative factor: Historical data, not a new resource estimate

Evidence · text

> indicated mineral resource of 22.909 million \(“M”\) tonnes grading 1.69 g/t Au containing 1,244,000 ounces Au

#### Tags used in scoring

**Indicated Resource**

Polarity: positive

Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

**Resource Update**

Polarity: neutral

Definition: Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

**PEA-Supporting**

Polarity: neutral

Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

**PFS-Supporting**

Polarity: neutral

Definition: Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-resource-facts-28)

Wawa Gold Project · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Resource scope

- Estimate type: resource
- Resource group id: resource:33cf718d23880b33e284

#### Resource Data

- Category: inferred
- Tonnes: 9951000
- Grade: 1.59
- Grade Unit: g/t
- Contained Metal: 509000
- Contained Unit: oz

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2026-02-18T00:00:00.000Z

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: Restatement of the inferred mineral resource from the 2026 PEA.

- Positive factor: Identifies additional inferred resource potential

- Negative factor: Historical data, not a new resource estimate

- Negative factor: Inferred category has lower confidence

Evidence · text

> inferred mineral resource of 9.951 M tonnes grading 1.59 g/t Au containing 509,000 ounces Au

#### Tags used in scoring

**Inferred Resource**

Polarity: negative

Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

**Resource Update**

Polarity: neutral

Definition: Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

**PEA-Supporting**

Polarity: neutral

Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

**PFS-Supporting**

Polarity: neutral

Definition: Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

## Metallurgical Results (26)

### bottle roll

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-metallurgical-facts-0)

Wawa Gold Project · gold

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Test Work

- Program Status: detailed
- Test Type: bottle roll
- Processing Route: cyanidation
- Sample: HS-15-31 MET-10 RPX OP Central
- Grind P80: 75 µm
- Leach Time: 48 hours

#### Recovery

- Recovery: 90.4 %
- Recovery Basis: actual\_test
- Head Grade: 0.73
- Head Grade Unit: g/t
- Tailings Grade: 0.07
- Tailings Grade Unit: g/t

#### Reagents

- Reagent Notes: target 1.5 grams per liter NaCN at slurry pH 10.5

#### Lab

- Laboratory: SGS Canada Inc. at Lakefield
- Consultant: Haggarty Technical Services Corporation

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: High gold recovery achieved for an open-pit sample, supporting the project's metallurgical viability.

- Positive factor: High gold recovery for open-pit sample

- Positive factor: Validates conventional cyanidation processing

Evidence · table

> 90.4

Context: HS-15-31

### bottle roll

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-metallurgical-facts-1)

Wawa Gold Project · gold

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Test Work

- Program Status: detailed
- Test Type: bottle roll
- Processing Route: cyanidation
- Sample: SD-25-541 MET-12 RPX OP Central
- Grind P80: 75 µm
- Leach Time: 48 hours

#### Recovery

- Recovery: 90.5 %
- Recovery Basis: actual\_test
- Head Grade: 1.64
- Head Grade Unit: g/t
- Tailings Grade: 0.16
- Tailings Grade Unit: g/t

#### Reagents

- Reagent Notes: target 1.5 grams per liter NaCN at slurry pH 10.5

#### Lab

- Laboratory: SGS Canada Inc. at Lakefield
- Consultant: Haggarty Technical Services Corporation

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: High gold recovery achieved for an open-pit sample, supporting the project's metallurgical viability.

- Positive factor: High gold recovery for open-pit sample

- Positive factor: Validates conventional cyanidation processing

Evidence · table

> 90.5

Context: SD-25-541

### bottle roll

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-metallurgical-facts-2)

Wawa Gold Project · gold

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Test Work

- Program Status: detailed
- Test Type: bottle roll
- Processing Route: cyanidation
- Sample: HS-15-31 MET-9 RPX OP Central
- Grind P80: 75 µm
- Leach Time: 48 hours

#### Recovery

- Recovery: 92.8 %
- Recovery Basis: actual\_test
- Head Grade: 5.8
- Head Grade Unit: g/t
- Tailings Grade: 0.42
- Tailings Grade Unit: g/t

#### Reagents

- Reagent Notes: target 1.5 grams per liter NaCN at slurry pH 10.5

#### Lab

- Laboratory: SGS Canada Inc. at Lakefield
- Consultant: Haggarty Technical Services Corporation

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: Very high gold recovery achieved for an open-pit sample, further supporting the project's metallurgical viability.

- Positive factor: Very high gold recovery for open-pit sample

- Positive factor: Validates conventional cyanidation processing

Evidence · table

> 92.8

Context: HS-15-31

### bottle roll

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-metallurgical-facts-3)

Wawa Gold Project · gold

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Test Work

- Program Status: detailed
- Test Type: bottle roll
- Processing Route: cyanidation
- Sample: SD-18-248 MET-15 RPX OP South Pit
- Grind P80: 75 µm
- Leach Time: 48 hours

#### Recovery

- Recovery: 85.4 %
- Recovery Basis: actual\_test
- Head Grade: 4.81
- Head Grade Unit: g/t
- Tailings Grade: 0.7
- Tailings Grade Unit: g/t

#### Reagents

- Reagent Notes: target 1.5 grams per liter NaCN at slurry pH 10.5

#### Lab

- Laboratory: SGS Canada Inc. at Lakefield
- Consultant: Haggarty Technical Services Corporation

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: Good gold recovery achieved for an open-pit sample, supporting the project's metallurgical viability.

- Positive factor: Good gold recovery for open-pit sample

- Positive factor: Validates conventional cyanidation processing

Evidence · table

> 85.4

Context: SD-18-248

### bottle roll

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-metallurgical-facts-4)

Wawa Gold Project · gold

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Test Work

- Program Status: detailed
- Test Type: bottle roll
- Processing Route: cyanidation
- Sample: SD-26-627 MET-24 RPX OP South Pit
- Grind P80: 75 µm
- Leach Time: 48 hours

#### Recovery

- Recovery: 92.2 %
- Recovery Basis: actual\_test
- Head Grade: 5
- Head Grade Unit: g/t
- Tailings Grade: 0.39
- Tailings Grade Unit: g/t

#### Reagents

- Reagent Notes: target 1.5 grams per liter NaCN at slurry pH 10.5

#### Lab

- Laboratory: SGS Canada Inc. at Lakefield
- Consultant: Haggarty Technical Services Corporation

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: Very high gold recovery achieved for an open-pit sample, but with elevated arsenic content which may require further consideration.

- Positive factor: Very high gold recovery for open-pit sample

- Positive factor: Validates conventional cyanidation processing

- Negative factor: Elevated arsenic content in the sample

Evidence · table

> 92.2

Context: SD-26-627

### bottle roll

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-metallurgical-facts-5)

Wawa Gold Project · gold

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Test Work

- Program Status: detailed
- Test Type: bottle roll
- Processing Route: cyanidation
- Sample: SD-26-627 MET-6 RPX OP South Pit
- Grind P80: 75 µm
- Leach Time: 48 hours

#### Recovery

- Recovery: 92.9 %
- Recovery Basis: actual\_test
- Head Grade: 2.55
- Head Grade Unit: g/t
- Tailings Grade: 0.18
- Tailings Grade Unit: g/t

#### Reagents

- Reagent Notes: target 1.5 grams per liter NaCN at slurry pH 10.5

#### Lab

- Laboratory: SGS Canada Inc. at Lakefield
- Consultant: Haggarty Technical Services Corporation

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: Very high gold recovery achieved for an open-pit sample, further supporting the project's metallurgical viability.

- Positive factor: Very high gold recovery for open-pit sample

- Positive factor: Validates conventional cyanidation processing

Evidence · table

> 92.9

Context: SD-26-627

### bottle roll

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-metallurgical-facts-6)

Wawa Gold Project · gold

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Test Work

- Program Status: detailed
- Test Type: bottle roll
- Processing Route: cyanidation
- Sample: SD-25-588 MET-16 RPX OP South Pit
- Grind P80: 75 µm
- Leach Time: 48 hours

#### Recovery

- Recovery: 94.1 %
- Recovery Basis: actual\_test
- Head Grade: 1.77
- Head Grade Unit: g/t
- Tailings Grade: 0.11
- Tailings Grade Unit: g/t

#### Reagents

- Reagent Notes: target 1.5 grams per liter NaCN at slurry pH 10.5

#### Lab

- Laboratory: SGS Canada Inc. at Lakefield
- Consultant: Haggarty Technical Services Corporation

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: Exceptional gold recovery achieved for an open-pit sample, strongly supporting the project's metallurgical viability.

- Positive factor: Exceptional gold recovery for open-pit sample

- Positive factor: Validates conventional cyanidation processing

Evidence · table

> 94.1

Context: SD-25-588

### bottle roll

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-metallurgical-facts-7)

Wawa Gold Project · gold

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Test Work

- Program Status: detailed
- Test Type: bottle roll
- Processing Route: cyanidation
- Sample: SD-25-573 MET-13 RPX OP South Pit
- Grind P80: 75 µm
- Leach Time: 48 hours

#### Recovery

- Recovery: 94.4 %
- Recovery Basis: actual\_test
- Head Grade: 3.03
- Head Grade Unit: g/t
- Tailings Grade: 0.17
- Tailings Grade Unit: g/t

#### Reagents

- Reagent Notes: target 1.5 grams per liter NaCN at slurry pH 10.5

#### Lab

- Laboratory: SGS Canada Inc. at Lakefield
- Consultant: Haggarty Technical Services Corporation

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: Exceptional gold recovery achieved for an open-pit sample, strongly supporting the project's metallurgical viability.

- Positive factor: Exceptional gold recovery for open-pit sample

- Positive factor: Validates conventional cyanidation processing

Evidence · table

> 94.4

Context: SD-25-573

### bottle roll

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-metallurgical-facts-8)

Wawa Gold Project · gold

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Test Work

- Program Status: detailed
- Test Type: bottle roll
- Processing Route: cyanidation
- Sample: SD-26-630 MET-35 RPX OP South Pit
- Grind P80: 75 µm
- Leach Time: 48 hours

#### Recovery

- Recovery: 95.2 %
- Recovery Basis: actual\_test
- Head Grade: 1.78
- Head Grade Unit: g/t
- Tailings Grade: 0.09
- Tailings Grade Unit: g/t

#### Reagents

- Reagent Notes: target 1.5 grams per liter NaCN at slurry pH 10.5

#### Lab

- Laboratory: SGS Canada Inc. at Lakefield
- Consultant: Haggarty Technical Services Corporation

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: Exceptional gold recovery achieved for an open-pit sample, providing strong validation for the project's metallurgical viability.

- Positive factor: Exceptional gold recovery for open-pit sample

- Positive factor: Validates conventional cyanidation processing

Evidence · table

> 95.2

Context: SD-26-630

#### Tags used in scoring

**High Recovery**

Polarity: positive

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

Why it applies: 95.2% is at or above the exceptional band \(95%\)

### bottle roll

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-metallurgical-facts-9)

Wawa Gold Project · gold

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Test Work

- Program Status: detailed
- Test Type: bottle roll
- Processing Route: cyanidation
- Sample: SD-26-626 MET-25 RPX OP South Pit
- Grind P80: 75 µm
- Leach Time: 48 hours

#### Recovery

- Recovery: 95.5 %
- Recovery Basis: actual\_test
- Head Grade: 18.6
- Head Grade Unit: g/t
- Tailings Grade: 0.84
- Tailings Grade Unit: g/t

#### Reagents

- Reagent Notes: target 1.5 grams per liter NaCN at slurry pH 10.5

#### Lab

- Laboratory: SGS Canada Inc. at Lakefield
- Consultant: Haggarty Technical Services Corporation

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: Exceptional gold recovery achieved for a high-grade open-pit sample, but with elevated arsenic content which may require further consideration.

- Positive factor: Exceptional gold recovery for high-grade open-pit sample

- Positive factor: Validates conventional cyanidation processing

- Negative factor: Elevated arsenic content in the sample

Evidence · table

> 95.5

Context: SD-26-626

#### Tags used in scoring

**High Recovery**

Polarity: positive

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

Why it applies: 95.5% is at or above the exceptional band \(95%\)

### bottle roll

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-metallurgical-facts-10)

Wawa Gold Project · gold

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Test Work

- Program Status: detailed
- Test Type: bottle roll
- Processing Route: cyanidation
- Sample: SD-25-589 MET-8 RPX OP South Pit
- Grind P80: 75 µm
- Leach Time: 48 hours

#### Recovery

- Recovery: 96.2 %
- Recovery Basis: actual\_test
- Head Grade: 6.26
- Head Grade Unit: g/t
- Tailings Grade: 0.24
- Tailings Grade Unit: g/t

#### Reagents

- Reagent Notes: target 1.5 grams per liter NaCN at slurry pH 10.5

#### Lab

- Laboratory: SGS Canada Inc. at Lakefield
- Consultant: Haggarty Technical Services Corporation

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: Exceptional gold recovery achieved for an open-pit sample, providing strong validation for the project's metallurgical viability.

- Positive factor: Exceptional gold recovery for open-pit sample

- Positive factor: Validates conventional cyanidation processing

Evidence · table

> 96.2

Context: SD-25-589

#### Tags used in scoring

**High Recovery**

Polarity: positive

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

Why it applies: 96.2% is at or above the exceptional band \(95%\)

### bottle roll

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-metallurgical-facts-11)

Wawa Gold Project · gold

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Test Work

- Program Status: detailed
- Test Type: bottle roll
- Processing Route: cyanidation
- Sample: SD-25-573 MET-18 RPX OP South Pit
- Grind P80: 75 µm
- Leach Time: 48 hours

#### Recovery

- Recovery: 96.8 %
- Recovery Basis: actual\_test
- Head Grade: 1.73
- Head Grade Unit: g/t
- Tailings Grade: 0.06
- Tailings Grade Unit: g/t

#### Reagents

- Reagent Notes: target 1.5 grams per liter NaCN at slurry pH 10.5

#### Lab

- Laboratory: SGS Canada Inc. at Lakefield
- Consultant: Haggarty Technical Services Corporation

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: Exceptional gold recovery achieved for an open-pit sample, providing strong validation for the project's metallurgical viability.

- Positive factor: Exceptional gold recovery for open-pit sample

- Positive factor: Validates conventional cyanidation processing

Evidence · table

> 96.8

Context: SD-25-573

#### Tags used in scoring

**High Recovery**

Polarity: positive

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

Why it applies: 96.8% is at or above the exceptional band \(95%\)

### bottle roll

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-metallurgical-facts-12)

Wawa Gold Project · gold

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Test Work

- Program Status: detailed
- Test Type: bottle roll
- Processing Route: cyanidation
- Sample: SD-18-248 MET-19 RPX OP South Pit
- Grind P80: 75 µm
- Leach Time: 48 hours

#### Recovery

- Recovery: 97.3 %
- Recovery Basis: actual\_test
- Head Grade: 3.75
- Head Grade Unit: g/t
- Tailings Grade: 0.1
- Tailings Grade Unit: g/t

#### Reagents

- Reagent Notes: target 1.5 grams per liter NaCN at slurry pH 10.5

#### Lab

- Laboratory: SGS Canada Inc. at Lakefield
- Consultant: Haggarty Technical Services Corporation

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: Exceptional gold recovery achieved for an open-pit sample, providing strong validation for the project's metallurgical viability.

- Positive factor: Exceptional gold recovery for open-pit sample

- Positive factor: Validates conventional cyanidation processing

Evidence · table

> 97.3

Context: SD-18-248

#### Tags used in scoring

**High Recovery**

Polarity: positive

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

Why it applies: 97.3% is at or above the exceptional band \(95%\)

### bottle roll

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-metallurgical-facts-13)

Wawa Gold Project · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Test Work

- Program Status: detailed
- Test Type: bottle roll
- Processing Route: cyanidation
- Sample: U0882L6 MET-28 Historical UG 65
- Grind P80: 75 µm
- Leach Time: 48 hours

#### Recovery

- Recovery: 80.4 %
- Recovery Basis: actual\_test
- Head Grade: 6.57
- Head Grade Unit: g/t
- Tailings Grade: 1.29
- Tailings Grade Unit: g/t

#### Reagents

- Reagent Notes: target 1.5 grams per liter NaCN at slurry pH 10.5

#### Lab

- Laboratory: SGS Canada Inc. at Lakefield
- Consultant: Haggarty Technical Services Corporation

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: Good gold recovery for a historical underground sample, but with elevated arsenic content and representing older data.

- Positive factor: Good gold recovery for historical underground sample

- Negative factor: Historical data, not new test work

- Negative factor: Elevated arsenic content in the sample

Evidence · table

> 80.4

Context: U0882L6

### bottle roll

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-metallurgical-facts-14)

Wawa Gold Project · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Test Work

- Program Status: detailed
- Test Type: bottle roll
- Processing Route: cyanidation
- Sample: U0913L6 MET-31 Historical UG 65
- Grind P80: 75 µm
- Leach Time: 48 hours

#### Recovery

- Recovery: 86.9 %
- Recovery Basis: actual\_test
- Head Grade: 8.53
- Head Grade Unit: g/t
- Tailings Grade: 1.12
- Tailings Grade Unit: g/t

#### Reagents

- Reagent Notes: target 1.5 grams per liter NaCN at slurry pH 10.5

#### Lab

- Laboratory: SGS Canada Inc. at Lakefield
- Consultant: Haggarty Technical Services Corporation

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: Good gold recovery for a historical underground sample, but with elevated arsenic content and representing older data.

- Positive factor: Good gold recovery for historical underground sample

- Negative factor: Historical data, not new test work

- Negative factor: Elevated arsenic content in the sample

Evidence · table

> 86.9

Context: U0913L6

### bottle roll

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-metallurgical-facts-15)

Wawa Gold Project · gold

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Test Work

- Program Status: detailed
- Test Type: bottle roll
- Processing Route: cyanidation
- Sample: SD-14-04 MET-36 RPX UG 65
- Grind P80: 75 µm
- Leach Time: 48 hours

#### Recovery

- Recovery: 89.4 %
- Recovery Basis: actual\_test
- Head Grade: 4.26
- Head Grade Unit: g/t
- Tailings Grade: 0.45
- Tailings Grade Unit: g/t

#### Reagents

- Reagent Notes: target 1.5 grams per liter NaCN at slurry pH 10.5

#### Lab

- Laboratory: SGS Canada Inc. at Lakefield
- Consultant: Haggarty Technical Services Corporation

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: Good gold recovery achieved for an underground sample, supporting the project's metallurgical viability.

- Positive factor: Good gold recovery for underground sample

- Positive factor: Validates conventional cyanidation processing

Evidence · table

> 89.4

Context: SD-14-04

### bottle roll

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-metallurgical-facts-16)

Wawa Gold Project · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Test Work

- Program Status: detailed
- Test Type: bottle roll
- Processing Route: cyanidation
- Sample: U0491L5 MET-33 Historical UG 65
- Grind P80: 75 µm
- Leach Time: 48 hours

#### Recovery

- Recovery: 89.7 %
- Recovery Basis: actual\_test
- Head Grade: 10.5
- Head Grade Unit: g/t
- Tailings Grade: 1.08
- Tailings Grade Unit: g/t

#### Reagents

- Reagent Notes: target 1.5 grams per liter NaCN at slurry pH 10.5

#### Lab

- Laboratory: SGS Canada Inc. at Lakefield
- Consultant: Haggarty Technical Services Corporation

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: Good gold recovery for a historical underground sample, but with elevated arsenic content and representing older data.

- Positive factor: Good gold recovery for historical underground sample

- Negative factor: Historical data, not new test work

- Negative factor: Elevated arsenic content in the sample

Evidence · table

> 89.7

Context: U0491L5

### bottle roll

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-metallurgical-facts-17)

Wawa Gold Project · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Test Work

- Program Status: detailed
- Test Type: bottle roll
- Processing Route: cyanidation
- Sample: U0669L5 MET-26 Historical UG 65
- Grind P80: 75 µm
- Leach Time: 48 hours

#### Recovery

- Recovery: 93.8 %
- Recovery Basis: actual\_test
- Head Grade: 23.7
- Head Grade Unit: g/t
- Tailings Grade: 1.47
- Tailings Grade Unit: g/t

#### Reagents

- Reagent Notes: target 1.5 grams per liter NaCN at slurry pH 10.5

#### Lab

- Laboratory: SGS Canada Inc. at Lakefield
- Consultant: Haggarty Technical Services Corporation

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: Very high gold recovery for a high-grade historical underground sample, but with elevated arsenic content and representing older data.

- Positive factor: Very high gold recovery for high-grade historical underground sample

- Negative factor: Historical data, not new test work

- Negative factor: Elevated arsenic content in the sample

Evidence · table

> 93.8

Context: U0669L5

### bottle roll

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-metallurgical-facts-18)

Wawa Gold Project · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Test Work

- Program Status: detailed
- Test Type: bottle roll
- Processing Route: cyanidation
- Sample: U0659L5 MET-3 Historical UG 65
- Grind P80: 75 µm
- Leach Time: 48 hours

#### Recovery

- Recovery: 94.3 %
- Recovery Basis: actual\_test
- Head Grade: 3.33
- Head Grade Unit: g/t
- Tailings Grade: 0.19
- Tailings Grade Unit: g/t

#### Reagents

- Reagent Notes: target 1.5 grams per liter NaCN at slurry pH 10.5

#### Lab

- Laboratory: SGS Canada Inc. at Lakefield
- Consultant: Haggarty Technical Services Corporation

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: Exceptional gold recovery for a historical underground sample, but representing older data.

- Positive factor: Exceptional gold recovery for historical underground sample

- Negative factor: Historical data, not new test work

Evidence · table

> 94.3

Context: U0659L5

### bottle roll

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-metallurgical-facts-19)

Wawa Gold Project · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Test Work

- Program Status: detailed
- Test Type: bottle roll
- Processing Route: cyanidation
- Sample: U1701L4 MET-32 Historical UG Jubilee
- Grind P80: 75 µm
- Leach Time: 48 hours

#### Recovery

- Recovery: 86.5 %
- Recovery Basis: actual\_test
- Head Grade: 2.4
- Head Grade Unit: g/t
- Tailings Grade: 0.33
- Tailings Grade Unit: g/t

#### Reagents

- Reagent Notes: target 1.5 grams per liter NaCN at slurry pH 10.5

#### Lab

- Laboratory: SGS Canada Inc. at Lakefield
- Consultant: Haggarty Technical Services Corporation

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: Good gold recovery for a historical underground sample, but with elevated arsenic content and representing older data.

- Positive factor: Good gold recovery for historical underground sample

- Negative factor: Historical data, not new test work

- Negative factor: Elevated arsenic content in the sample

Evidence · table

> 86.5

Context: U1701L4

### bottle roll

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-metallurgical-facts-20)

Wawa Gold Project · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Test Work

- Program Status: detailed
- Test Type: bottle roll
- Processing Route: cyanidation
- Sample: U1663L5 MET-2 Historical UG Old Tom
- Grind P80: 75 µm
- Leach Time: 48 hours

#### Recovery

- Recovery: 77.4 %
- Recovery Basis: actual\_test
- Head Grade: 7.71
- Head Grade Unit: g/t
- Tailings Grade: 1.75
- Tailings Grade Unit: g/t

#### Reagents

- Reagent Notes: target 1.5 grams per liter NaCN at slurry pH 10.5

#### Lab

- Laboratory: SGS Canada Inc. at Lakefield
- Consultant: Haggarty Technical Services Corporation

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: Lower gold recovery for a historical underground sample, combined with very high arsenic content and representing older data.

- Negative factor: Historical data, not new test work

- Negative factor: Elevated arsenic content in the sample

- Negative factor: Recovery is at the lower end of expectations for cyanidation

Evidence · table

> 77.4

Context: U1663L5

#### Tags used in scoring

**Low Recovery**

Polarity: negative

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

Why it applies: 77.4% is below the weak band \(80%\)

### bottle roll

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-metallurgical-facts-21)

Wawa Gold Project · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Test Work

- Program Status: detailed
- Test Type: bottle roll
- Processing Route: cyanidation
- Sample: U1680L5 MET-1 Historical UG Old Tom
- Grind P80: 75 µm
- Leach Time: 48 hours

#### Recovery

- Recovery: 86.2 %
- Recovery Basis: actual\_test
- Head Grade: 3.32
- Head Grade Unit: g/t
- Tailings Grade: 0.46
- Tailings Grade Unit: g/t

#### Reagents

- Reagent Notes: target 1.5 grams per liter NaCN at slurry pH 10.5

#### Lab

- Laboratory: SGS Canada Inc. at Lakefield
- Consultant: Haggarty Technical Services Corporation

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: Good gold recovery for a historical underground sample, but with elevated arsenic content and representing older data.

- Positive factor: Good gold recovery for historical underground sample

- Negative factor: Historical data, not new test work

- Negative factor: Elevated arsenic content in the sample

Evidence · table

> 86.2

Context: U1680L5

### bottle roll

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-metallurgical-facts-22)

Wawa Gold Project · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Test Work

- Program Status: detailed
- Test Type: bottle roll
- Processing Route: cyanidation
- Sample: U1650L5 MET-7 Historical UG Old Tom
- Grind P80: 75 µm
- Leach Time: 48 hours

#### Recovery

- Recovery: 88.4 %
- Recovery Basis: actual\_test
- Head Grade: 14.2
- Head Grade Unit: g/t
- Tailings Grade: 1.64
- Tailings Grade Unit: g/t

#### Reagents

- Reagent Notes: target 1.5 grams per liter NaCN at slurry pH 10.5

#### Lab

- Laboratory: SGS Canada Inc. at Lakefield
- Consultant: Haggarty Technical Services Corporation

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: Good gold recovery for a high-grade historical underground sample, but with elevated arsenic content and representing older data.

- Positive factor: Good gold recovery for high-grade historical underground sample

- Negative factor: Historical data, not new test work

- Negative factor: Elevated arsenic content in the sample

Evidence · table

> 88.4

Context: U1650L5

### bottle roll

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-metallurgical-facts-23)

Wawa Gold Project · gold

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Test Work

- Program Status: detailed
- Test Type: bottle roll
- Processing Route: cyanidation
- Sample: SD-23-457 MET-5 RPX UG Old Tom - Upper
- Grind P80: 75 µm
- Leach Time: 48 hours

#### Recovery

- Recovery: 90.2 %
- Recovery Basis: actual\_test
- Head Grade: 1.99
- Head Grade Unit: g/t
- Tailings Grade: 0.2
- Tailings Grade Unit: g/t

#### Reagents

- Reagent Notes: target 1.5 grams per liter NaCN at slurry pH 10.5

#### Lab

- Laboratory: SGS Canada Inc. at Lakefield
- Consultant: Haggarty Technical Services Corporation

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: High gold recovery achieved for an underground sample, supporting the project's metallurgical viability.

- Positive factor: High gold recovery for underground sample

- Positive factor: Validates conventional cyanidation processing

Evidence · table

> 90.2

Context: SD-23-457

### bottle roll

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-metallurgical-facts-24)

Wawa Gold Project · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Test Work

- Program Status: detailed
- Test Type: bottle roll
- Processing Route: cyanidation
- Sample: AV-11-018 MET-11 Historical UG Old Tom - Upper
- Grind P80: 75 µm
- Leach Time: 48 hours

#### Recovery

- Recovery: 92.5 %
- Recovery Basis: actual\_test
- Head Grade: 3.38
- Head Grade Unit: g/t
- Tailings Grade: 0.26
- Tailings Grade Unit: g/t

#### Reagents

- Reagent Notes: target 1.5 grams per liter NaCN at slurry pH 10.5

#### Lab

- Laboratory: SGS Canada Inc. at Lakefield
- Consultant: Haggarty Technical Services Corporation

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: Very high gold recovery for a historical underground sample, but representing older data.

- Positive factor: Very high gold recovery for historical underground sample

- Negative factor: Historical data, not new test work

Evidence · table

> 92.5

Context: AV-11-018

### bottle roll

[Link to this fact](https://atlas-extractions.minestarters.com/news/rpx-gold-announces-positive-metallurgical-test-results--ef088848-5db9-4573-9433-aaaf423721d6#fact-metallurgical-facts-25)

Wawa Gold Project · gold

#### Identity

- Project: Wawa Gold Project
- Commodity: gold
- Region: canada\_on
- Reported Region: Ontario
- Ticker: RPX

#### Test Work

- Program Status: detailed
- Test Type: bottle roll
- Processing Route: cyanidation
- Sample: SD-18-255 MET-23 RPX UG Old Tom - Upper
- Grind P80: 75 µm
- Leach Time: 48 hours

#### Recovery

- Recovery: 92.5 %
- Recovery Basis: actual\_test
- Head Grade: 17.2
- Head Grade Unit: g/t
- Tailings Grade: 1.29
- Tailings Grade Unit: g/t

#### Reagents

- Reagent Notes: target 1.5 grams per liter NaCN at slurry pH 10.5

#### Lab

- Laboratory: SGS Canada Inc. at Lakefield
- Consultant: Haggarty Technical Services Corporation

#### Location

- Loc. Confidence: medium

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-09-02T00:00:00.000Z

Reasoning: Very high gold recovery achieved for a high-grade underground sample, further supporting the project's metallurgical viability.

- Positive factor: Very high gold recovery for high-grade underground sample

- Positive factor: Validates conventional cyanidation processing

Evidence · table

> 92.5

Context: SD-18-255

## 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.