# Borealis Advances Sandman Toward Development with 5,000 Metre Drill Program

Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/borealis-advances-sandman-toward-development-with-5-000-metre-drill-program--24665bff-0d56-4d09-800d-b8af67a2b424

Original source: https://money.tmx.com/en/quote/BOGO/news/6425984577326668/borealis-advances-sandman-toward-development-with-5-000-metre-drill-program

Publisher: tmx

Original announcement: 2026-06-10T11:00:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Borealis Mining Company Limited

- Ticker: BOGO

- Exchange: TSX

- Region: Nevada

- Primary commodity: Gold

- Secondary commodities: None reported

- Document categories: Resource update, Other

- Extracted: 2026-09-15 14:51:15 UTC

Narrative sentiment: 0.40 · Bullish

## Minestarters Atlas summary

Borealis Mining Company Limited has announced a 5,000-metre drilling program at the Sandman Gold Project in Nevada, aimed at metallurgical, geotechnical, and resource expansion work. The program is designed to support future engineering studies and permitting activities to advance the project toward development.

Reasoning: The announcement focuses on a new drilling program intended to advance the project, while restating a 2021 resource estimate for context.

- Positive factor: Commencement of 5,000m drilling program to advance project toward development

- Positive factor: Program includes critical metallurgical and geotechnical testing

- Positive factor: Existing PEA shows robust economics \(105% IRR\)

- Positive factor: Significant oxide component identified for heap-leach feed

- Negative factor: Resource estimate provided is historical \(2021\)

Facts used in scoring: 7

## Classification and evidence

**Resource Update**

Polarity: neutral

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

Why it applies: The document restates a 2021 mineral resource estimate for the Sandman project.

Evidence · text

> Table 1: Sandman Mineral Resource Estimate \(2021\)

**Inferred Resource**

Polarity: negative

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

Why it applies: The resource estimate includes a significant portion of Inferred category material.

Evidence · text

> 60,800 ounces of gold in the Inferred category

## Extracted facts

Stored fact records: 7. Some facts used in scoring do not have a stored record.

## Resource Estimates (7)

### Fact 1

[Link to this fact](https://atlas-extractions.minestarters.com/news/borealis-advances-sandman-toward-development-with-5-000-metre-drill-program--24665bff-0d56-4d09-800d-b8af67a2b424#fact-resource-facts-0)

#### Identity

- Region: usa\_nv
- Reported Region: Nevada
- Ticker: BOGO

#### Resource scope

- Reporting standards: ni\_43\_101
- Mining method: open\_pit

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-06-10T00:00:00.000Z

Reasoning: Announcement of a substantial new drilling campaign.

- Positive factor: Significant meterage dedicated to advancing project towards development

Evidence · text

> 5,000 metre drilling program

#### Tags used in scoring

**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

**NI 43-101 Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard.

Why it applies: reporting\_standards includes ni\_43\_101

**No Contained Metal**

Polarity: negative

Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained\_metal was not reported

**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&amp;I component.

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

**DFS-Supporting**

Polarity: neutral

Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&amp;I confidence.

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

### indicated

[Link to this fact](https://atlas-extractions.minestarters.com/news/borealis-advances-sandman-toward-development-with-5-000-metre-drill-program--24665bff-0d56-4d09-800d-b8af67a2b424#fact-resource-facts-1)

Sandman Gold Project · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Sandman Gold Project
- Commodity: gold
- Region: usa\_nv
- Reported Region: Nevada
- Ticker: BOGO

#### Resource scope

- Estimate type: resource
- Resource group id: resource:d01501f74f5f4840643d
- Deposit or zone: Total

#### Resource Data

- Category: indicated
- Tonnes: 18550000
- Grade: 0.73
- Grade Unit: g/t
- Contained Metal: 433000
- Contained Unit: oz

#### Prior Estimate

- Resource Date: 2021-01-01

#### Review

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

#### Dates

- Event date: 2026-06-10T00:00:00.000Z

Reasoning: Restatement of the 2021 resource total.

- Positive factor: Significant gold resource

- Negative factor: Historical data \(2021\)

Evidence · table

> 0.73

Context: 18,550,000

#### 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

**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&amp;I component.

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

**DFS-Supporting**

Polarity: neutral

Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&amp;I confidence.

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

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 5.4 years before this release

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/borealis-advances-sandman-toward-development-with-5-000-metre-drill-program--24665bff-0d56-4d09-800d-b8af67a2b424#fact-resource-facts-2)

Sandman Gold Project · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Sandman Gold Project
- Commodity: gold
- Region: usa\_nv
- Reported Region: Nevada
- Ticker: BOGO

#### Resource scope

- Estimate type: resource
- Resource group id: resource:6daf73efcaeea6eb0a3f
- Deposit or zone: Total

#### Resource Data

- Category: inferred
- Tonnes: 3246000
- Grade: 0.58
- Grade Unit: g/t
- Contained Metal: 60800
- Contained Unit: oz

#### Prior Estimate

- Resource Date: 2021-01-01

#### Review

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

#### Dates

- Event date: 2026-06-10T00:00:00.000Z

Reasoning: Restatement of the 2021 inferred resource total.

- Negative factor: Historical data \(2021\)

- Negative factor: Inferred category

Evidence · table

> 0.58

Context: 3,246,000

#### 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

**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&amp;I component.

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

**DFS-Supporting**

Polarity: neutral

Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&amp;I confidence.

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

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 5.4 years before this release

### indicated

[Link to this fact](https://atlas-extractions.minestarters.com/news/borealis-advances-sandman-toward-development-with-5-000-metre-drill-program--24665bff-0d56-4d09-800d-b8af67a2b424#fact-resource-facts-3)

Sandman Gold Project · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Sandman Gold Project
- Commodity: gold
- Region: usa\_nv
- Reported Region: Nevada
- Ticker: BOGO

#### Resource scope

- Estimate type: resource
- Resource group id: resource:cda52a3e118ef7c1a43f
- Deposit or zone: Oxide
- Material type: oxide

#### Resource Data

- Category: indicated
- Tonnes: 12991000
- Grade: 0.63
- Grade Unit: g/t
- Contained Metal: 265100
- Contained Unit: oz

#### Prior Estimate

- Resource Date: 2021-01-01

#### Review

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

#### Dates

- Event date: 2026-06-10T00:00:00.000Z

Reasoning: Restatement of the 2021 oxide indicated resource.

- Positive factor: Significant oxide component

- Negative factor: Historical data \(2021\)

Evidence · table

> 0.63

Context: 12,991,000

#### 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

**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&amp;I component.

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

**DFS-Supporting**

Polarity: neutral

Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&amp;I confidence.

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

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 5.4 years before this release

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/borealis-advances-sandman-toward-development-with-5-000-metre-drill-program--24665bff-0d56-4d09-800d-b8af67a2b424#fact-resource-facts-4)

Sandman Gold Project · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Sandman Gold Project
- Commodity: gold
- Region: usa\_nv
- Reported Region: Nevada
- Ticker: BOGO

#### Resource scope

- Estimate type: resource
- Resource group id: resource:153098bda04ee87d90dd
- Deposit or zone: Oxide
- Material type: oxide

#### Resource Data

- Category: inferred
- Tonnes: 2377000
- Grade: 0.46
- Grade Unit: g/t
- Contained Metal: 35500
- Contained Unit: oz

#### Prior Estimate

- Resource Date: 2021-01-01

#### Review

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

#### Dates

- Event date: 2026-06-10T00:00:00.000Z

Reasoning: Restatement of the 2021 oxide inferred resource.

- Negative factor: Historical data \(2021\)

- Negative factor: Inferred category

Evidence · table

> 0.46

Context: 2,377,000

#### 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

**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&amp;I component.

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

**DFS-Supporting**

Polarity: neutral

Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&amp;I confidence.

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

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 5.4 years before this release

### indicated

[Link to this fact](https://atlas-extractions.minestarters.com/news/borealis-advances-sandman-toward-development-with-5-000-metre-drill-program--24665bff-0d56-4d09-800d-b8af67a2b424#fact-resource-facts-5)

Sandman Gold Project · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Sandman Gold Project
- Commodity: gold
- Region: usa\_nv
- Reported Region: Nevada
- Ticker: BOGO

#### Resource scope

- Estimate type: resource
- Resource group id: resource:2eb1d1c92d7a93c5f78b
- Deposit or zone: Fresh
- Material type: fresh

#### Resource Data

- Category: indicated
- Tonnes: 5559000
- Grade: 0.94
- Grade Unit: g/t
- Contained Metal: 167900
- Contained Unit: oz

#### Prior Estimate

- Resource Date: 2021-01-01

#### Review

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

#### Dates

- Event date: 2026-06-10T00:00:00.000Z

Reasoning: Restatement of the 2021 fresh indicated resource.

- Negative factor: Historical data \(2021\)

Evidence · table

> 0.94

Context: 5,559,000

#### 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

**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&amp;I component.

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

**DFS-Supporting**

Polarity: neutral

Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&amp;I confidence.

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

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 5.4 years before this release

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/borealis-advances-sandman-toward-development-with-5-000-metre-drill-program--24665bff-0d56-4d09-800d-b8af67a2b424#fact-resource-facts-6)

Sandman Gold Project · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Sandman Gold Project
- Commodity: gold
- Region: usa\_nv
- Reported Region: Nevada
- Ticker: BOGO

#### Resource scope

- Estimate type: resource
- Resource group id: resource:2d86ca2766e4e062393a
- Deposit or zone: Fresh
- Material type: fresh

#### Resource Data

- Category: inferred
- Tonnes: 869000
- Grade: 0.91
- Grade Unit: g/t
- Contained Metal: 25300
- Contained Unit: oz

#### Prior Estimate

- Resource Date: 2021-01-01

#### Review

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

#### Dates

- Event date: 2026-06-10T00:00:00.000Z

Reasoning: Restatement of the 2021 fresh inferred resource.

- Negative factor: Historical data \(2021\)

- Negative factor: Inferred category

Evidence · table

> 0.91

Context: 869,000

#### 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

**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&amp;I component.

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

**DFS-Supporting**

Polarity: neutral

Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&amp;I confidence.

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

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 5.4 years before this release

## 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.
