# Riverside Resources Expands Porphyry Copper Targets at Ariel Project, Sonora, Mexico

Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/riverside-resources-expands-porphyry-copper-targets-at-ariel-project-sonora-mexi--a1b33e8e-05b5-4dbb-9bf9-519c5136d0d9

Original source: https://money.tmx.com/en/quote/RRI/news/5770511462148171/riverside-resources-expands-porphyry-copper-targets-at-ariel-project-sonora-mexi

Publisher: tmx

Original announcement: 2026-02-26T15:45:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Riverside Resources Inc.

- Ticker: RRI

- Exchange: TSX

- Region: Sonora, Mexico

- Primary commodity: Copper

- Secondary commodities: Silver, Lead, Gold, Zinc

- Document categories: Drill results, Other

- Extracted: 2026-09-18 18:50:15 UTC

Narrative sentiment: 0.60 · Bullish

## Minestarters Atlas summary

Riverside Resources reported high-grade silver and lead rock chip samples from the Maria Luisa epithermal target at the Ariel Copper Project in Sonora, Mexico. These results are interpreted as lateral indicators for the primary porphyry copper-gold system, which is located near the La Caridad mining complex.

Reasoning: The release reports high-grade surface geochemistry \(Ag and Pb\) that provides vectors for the primary porphyry copper target, though no actual drill assays are provided in this release.

- Positive factor: High-grade silver and lead vein samples reported

- Positive factor: Geological context links project to major copper districts

- Positive factor: QA/QC protocols and certified lab \(ACT Labs\) disclosed

- Positive factor: Project is drill-ready and fully permitted

- Negative factor: Results are from surface rock chip sampling, not drill intercepts

Facts used in scoring: 18

## Classification and evidence

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: Release includes details on standards, blanks, duplicates, and lab procedures.

Evidence · text

> Standards and blanks were inserted every 20 samples and the laboratory also did duplicates every 20 samples

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: Project is located near the La Caridad copper mining complex.

Evidence · text

> located approximately 18 km east-southeast of the La Caridad copper mining complex

## Extracted facts

Stored fact records: 18. Some facts used in scoring do not have a stored record.

## Drill Results (18)

### RRI-12911

[Link to this fact](https://atlas-extractions.minestarters.com/news/riverside-resources-expands-porphyry-copper-targets-at-ariel-project-sonora-mexi--a1b33e8e-05b5-4dbb-9bf9-519c5136d0d9#fact-drill-facts-0)

Ariel · gold

#### Identity

- Hole ID: RRI-12911
- Project: Ariel
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: RRI

#### Geometry

- Grade: 0.42
- Grade Unit: g/t

#### Classification

- Sample Type: surface

#### Location

- Location: Maria Luisa
- Loc. Source: document

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-02-26T00:00:00.000Z

Reasoning: Low-grade gold anomaly in surface sample.

Evidence · table

> 0.42 g/t Au

Context: RRI-12911

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**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

### RRI-12911

[Link to this fact](https://atlas-extractions.minestarters.com/news/riverside-resources-expands-porphyry-copper-targets-at-ariel-project-sonora-mexi--a1b33e8e-05b5-4dbb-9bf9-519c5136d0d9#fact-drill-facts-1)

Ariel · lead

#### Identity

- Hole ID: RRI-12911
- Project: Ariel
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: RRI

#### Geometry

- Grade: 0.07
- Grade Unit: %

#### Classification

- Sample Type: surface

#### Location

- Location: Maria Luisa
- Loc. Source: document

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-02-26T00:00:00.000Z

Reasoning: Trace lead in surface sample.

Evidence · table

> 0.07%Pb

Context: RRI-12911

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**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

### RRI-12912

[Link to this fact](https://atlas-extractions.minestarters.com/news/riverside-resources-expands-porphyry-copper-targets-at-ariel-project-sonora-mexi--a1b33e8e-05b5-4dbb-9bf9-519c5136d0d9#fact-drill-facts-2)

Ariel · lead

#### Identity

- Hole ID: RRI-12912
- Project: Ariel
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: RRI

#### Geometry

- Grade: 1.36
- Grade Unit: %

#### Classification

- Sample Type: surface

#### Location

- Location: Maria Luisa
- Loc. Source: document

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-02-26T00:00:00.000Z

Reasoning: Moderate lead grade in surface sample.

- Positive factor: Significant lead grade for surface sampling

Evidence · table

> 1.36% Pb

Context: RRI-12912

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**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

### RRI-12912

[Link to this fact](https://atlas-extractions.minestarters.com/news/riverside-resources-expands-porphyry-copper-targets-at-ariel-project-sonora-mexi--a1b33e8e-05b5-4dbb-9bf9-519c5136d0d9#fact-drill-facts-3)

Ariel · gold

#### Identity

- Hole ID: RRI-12912
- Project: Ariel
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: RRI

#### Geometry

- Grade: 0.36
- Grade Unit: g/t

#### Classification

- Sample Type: surface

#### Location

- Location: Maria Luisa
- Loc. Source: document

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-02-26T00:00:00.000Z

Reasoning: Low-grade gold in surface sample.

Evidence · table

> 0.36 g/t Au

Context: RRI-12912

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**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

### RRI-12913

[Link to this fact](https://atlas-extractions.minestarters.com/news/riverside-resources-expands-porphyry-copper-targets-at-ariel-project-sonora-mexi--a1b33e8e-05b5-4dbb-9bf9-519c5136d0d9#fact-drill-facts-4)

Ariel · lead

#### Identity

- Hole ID: RRI-12913
- Project: Ariel
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: RRI

#### Geometry

- Grade: 3.14
- Grade Unit: %

#### Classification

- Sample Type: surface

#### Location

- Location: Maria Luisa
- Loc. Source: document

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-02-26T00:00:00.000Z

Reasoning: Strong lead grade in surface sample.

- Positive factor: High lead grade for surface sampling

Evidence · table

> 3.14% Pb

Context: RRI-12913

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**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

### RRI-12913

[Link to this fact](https://atlas-extractions.minestarters.com/news/riverside-resources-expands-porphyry-copper-targets-at-ariel-project-sonora-mexi--a1b33e8e-05b5-4dbb-9bf9-519c5136d0d9#fact-drill-facts-5)

Ariel · zinc

#### Identity

- Hole ID: RRI-12913
- Project: Ariel
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: RRI

#### Geometry

- Grade: 0.14
- Grade Unit: %

#### Classification

- Sample Type: surface

#### Location

- Location: Maria Luisa
- Loc. Source: document

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-02-26T00:00:00.000Z

Reasoning: Trace zinc in surface sample.

Evidence · table

> 0.14% Zn

Context: RRI-12913

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**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

### RRI-12914

[Link to this fact](https://atlas-extractions.minestarters.com/news/riverside-resources-expands-porphyry-copper-targets-at-ariel-project-sonora-mexi--a1b33e8e-05b5-4dbb-9bf9-519c5136d0d9#fact-drill-facts-6)

Ariel · lead

#### Identity

- Hole ID: RRI-12914
- Project: Ariel
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: RRI

#### Geometry

- Grade: 1.03
- Grade Unit: %

#### Classification

- Sample Type: surface

#### Location

- Location: Maria Luisa
- Loc. Source: document

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-02-26T00:00:00.000Z

Reasoning: Moderate lead grade in surface sample.

Evidence · table

> 1.03% Pb

Context: RRI-12914

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**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

### RRI-12918

[Link to this fact](https://atlas-extractions.minestarters.com/news/riverside-resources-expands-porphyry-copper-targets-at-ariel-project-sonora-mexi--a1b33e8e-05b5-4dbb-9bf9-519c5136d0d9#fact-drill-facts-7)

Ariel · silver

#### Identity

- Hole ID: RRI-12918
- Project: Ariel
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: RRI

#### Geometry

- Grade: 138
- Grade Unit: g/t

#### Classification

- Sample Type: surface

#### Location

- Location: Maria Luisa
- Loc. Source: document

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-02-26T00:00:00.000Z

Reasoning: Significant silver grade in surface sample.

Evidence · table

> 138 g/t Ag

Context: RRI-12918

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**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

### RRI-12918

[Link to this fact](https://atlas-extractions.minestarters.com/news/riverside-resources-expands-porphyry-copper-targets-at-ariel-project-sonora-mexi--a1b33e8e-05b5-4dbb-9bf9-519c5136d0d9#fact-drill-facts-8)

Ariel · lead

#### Identity

- Hole ID: RRI-12918
- Project: Ariel
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: RRI

#### Geometry

- Grade: 5.39
- Grade Unit: %

#### Classification

- Sample Type: surface

#### Location

- Location: Maria Luisa
- Loc. Source: document

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-02-26T00:00:00.000Z

Reasoning: Strong lead grade in surface sample.

- Positive factor: High lead grade in surface sample

Evidence · table

> 5.39% Pb

Context: RRI-12918

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**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

### RRI-12918

[Link to this fact](https://atlas-extractions.minestarters.com/news/riverside-resources-expands-porphyry-copper-targets-at-ariel-project-sonora-mexi--a1b33e8e-05b5-4dbb-9bf9-519c5136d0d9#fact-drill-facts-9)

Ariel · gold

#### Identity

- Hole ID: RRI-12918
- Project: Ariel
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: RRI

#### Geometry

- Grade: 0.34
- Grade Unit: g/t

#### Classification

- Sample Type: surface

#### Location

- Location: Maria Luisa
- Loc. Source: document

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-02-26T00:00:00.000Z

Reasoning: Low-grade gold in surface sample.

Evidence · table

> 0.34 g/t Au

Context: RRI-12918

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**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

### RRI-1412

[Link to this fact](https://atlas-extractions.minestarters.com/news/riverside-resources-expands-porphyry-copper-targets-at-ariel-project-sonora-mexi--a1b33e8e-05b5-4dbb-9bf9-519c5136d0d9#fact-drill-facts-10)

Ariel · silver

#### Identity

- Hole ID: RRI-1412
- Project: Ariel
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: RRI

#### Geometry

- Grade: 225
- Grade Unit: g/t

#### Classification

- Sample Type: surface

#### Location

- Location: Maria Luisa
- Loc. Source: document

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-02-26T00:00:00.000Z

Reasoning: Significant silver grade in surface sample.

Evidence · table

> 225 g/t Ag

Context: RRI-1412

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**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

### RRI-1419

[Link to this fact](https://atlas-extractions.minestarters.com/news/riverside-resources-expands-porphyry-copper-targets-at-ariel-project-sonora-mexi--a1b33e8e-05b5-4dbb-9bf9-519c5136d0d9#fact-drill-facts-11)

Ariel · silver

#### Identity

- Hole ID: RRI-1419
- Project: Ariel
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: RRI

#### Geometry

- Grade: 320
- Grade Unit: g/t

#### Classification

- Sample Type: surface

#### Location

- Location: Maria Luisa
- Loc. Source: document

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-02-26T00:00:00.000Z

Reasoning: Strong silver grade in surface sample.

- Positive factor: High silver grade in surface sample

Evidence · table

> 320 g/t Ag

Context: RRI-1419

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**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

### RRI-1425

[Link to this fact](https://atlas-extractions.minestarters.com/news/riverside-resources-expands-porphyry-copper-targets-at-ariel-project-sonora-mexi--a1b33e8e-05b5-4dbb-9bf9-519c5136d0d9#fact-drill-facts-12)

Ariel · silver

#### Identity

- Hole ID: RRI-1425
- Project: Ariel
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: RRI

#### Geometry

- Grade: 161
- Grade Unit: g/t

#### Classification

- Sample Type: surface

#### Location

- Location: Maria Luisa
- Loc. Source: document

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-02-26T00:00:00.000Z

Reasoning: Significant silver grade in surface sample.

Evidence · table

> 161 g/t Ag

Context: RRI-1425

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**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

### RRI-1545

[Link to this fact](https://atlas-extractions.minestarters.com/news/riverside-resources-expands-porphyry-copper-targets-at-ariel-project-sonora-mexi--a1b33e8e-05b5-4dbb-9bf9-519c5136d0d9#fact-drill-facts-13)

Ariel · silver

#### Identity

- Hole ID: RRI-1545
- Project: Ariel
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: RRI

#### Geometry

- Grade: 200
- Grade Unit: g/t

#### Classification

- Sample Type: surface

#### Location

- Location: Maria Luisa
- Loc. Source: document

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-02-26T00:00:00.000Z

Reasoning: Significant silver grade in surface sample.

Evidence · table

> 200 g/t Ag

Context: RRI-1545

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**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

### RRI-1545

[Link to this fact](https://atlas-extractions.minestarters.com/news/riverside-resources-expands-porphyry-copper-targets-at-ariel-project-sonora-mexi--a1b33e8e-05b5-4dbb-9bf9-519c5136d0d9#fact-drill-facts-14)

Ariel · gold

#### Identity

- Hole ID: RRI-1545
- Project: Ariel
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: RRI

#### Geometry

- Grade: 0.657
- Grade Unit: g/t

#### Classification

- Sample Type: surface

#### Location

- Location: Maria Luisa
- Loc. Source: document

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-02-26T00:00:00.000Z

Reasoning: Low-grade gold in surface sample.

Evidence · table

> 0.657 g/t Au

Context: RRI-1545

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**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

### RRI-1545

[Link to this fact](https://atlas-extractions.minestarters.com/news/riverside-resources-expands-porphyry-copper-targets-at-ariel-project-sonora-mexi--a1b33e8e-05b5-4dbb-9bf9-519c5136d0d9#fact-drill-facts-15)

Ariel · lead

#### Identity

- Hole ID: RRI-1545
- Project: Ariel
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: RRI

#### Geometry

- Grade: 1
- Grade Unit: %

#### Classification

- Sample Type: surface

#### Location

- Location: Maria Luisa
- Loc. Source: document

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-02-26T00:00:00.000Z

Reasoning: Moderate lead grade in surface sample.

Evidence · table

> 1% Pb

Context: RRI-1545

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**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

### RRI-11122

[Link to this fact](https://atlas-extractions.minestarters.com/news/riverside-resources-expands-porphyry-copper-targets-at-ariel-project-sonora-mexi--a1b33e8e-05b5-4dbb-9bf9-519c5136d0d9#fact-drill-facts-16)

Ariel · gold

#### Identity

- Hole ID: RRI-11122
- Project: Ariel
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: RRI

#### Geometry

- Grade: 0.5
- Grade Unit: g/t

#### Classification

- Sample Type: surface

#### Location

- Location: Maria Luisa
- Loc. Source: document

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-02-26T00:00:00.000Z

Reasoning: Low-grade gold in surface sample.

Evidence · table

> 0.5 g/t Au

Context: RRI-11122

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**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

### RRI-11122

[Link to this fact](https://atlas-extractions.minestarters.com/news/riverside-resources-expands-porphyry-copper-targets-at-ariel-project-sonora-mexi--a1b33e8e-05b5-4dbb-9bf9-519c5136d0d9#fact-drill-facts-17)

Ariel · lead

#### Identity

- Hole ID: RRI-11122
- Project: Ariel
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: RRI

#### Geometry

- Grade: 0.131
- Grade Unit: %

#### Classification

- Sample Type: surface

#### Location

- Location: Maria Luisa
- Loc. Source: document

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-02-26T00:00:00.000Z

Reasoning: Trace lead in surface sample.

Evidence · table

> 0.131% Pb

Context: RRI-11122

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**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

## 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.