# i-80 Gold Reports High-Grade Assay Results at Archimedes Underground Project Including 24.6 g/t Au Over 23.6 Meters; Development Advancing on Schedule

Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf

Original source: https://money.tmx.com/en/quote/IAU/news/5754089117881818/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc

Publisher: tmx

Original announcement: 2026-04-08T10:05:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: i-80 Gold

- Ticker: IAU

- Exchange: TSX

- Region: Nevada, United States

- Primary commodity: Gold

- Secondary commodities: None reported

- Document categories: Drill results, Permitting

- Extracted: 2026-09-12 06:57:47 UTC

Narrative sentiment: 0.80 · Bullish

## Minestarters Atlas summary

i-80 Gold has reported high-grade assay results from infill drilling at its Archimedes Underground Project in Nevada, including 24.6 g/t Au over 23.6 meters. These results confirm and extend mineralization in the Upper Archimedes zone, supporting ongoing development and future mine planning. The company is advancing construction on schedule, with first gold production targeted for Q3 2026, and is evaluating an emerging oxide opportunity for additional low-cost ounces.

Reasoning: The drill results from the Archimedes Underground Project show consistent high-grade gold intercepts, including bonanza grades, which are positive for the project's economics and resource confidence. The infill drilling program is successfully delineating mineralization and supporting future mine planning and resource upgrades. Development is on schedule, and the company is exploring additional oxide opportunities. The disclosure of QA/QC procedures and QP sign-off adds to the confidence in the results.

- Positive factor: High-grade gold intercepts, including bonanza grades, confirm and extend mineralization in Upper Archimedes.

- Positive factor: Drill program is primarily infill, aimed at upgrading inferred resources and enhancing confidence for mine planning.

- Positive factor: Development at Archimedes is advancing on schedule, with first gold expected in Q3 2026.

- Positive factor: Emerging oxide opportunity has potential for low-cost ounces, with metallurgical testwork underway.

- Positive factor: Comprehensive QA/QC procedures are disclosed, including certified lab and QP sign-off.

- Negative factor: True widths are estimated as a range \(40-65% of core width\) rather than precise values for each intercept.

Low confidence — this extraction should be reviewed alongside the original source.

Facts used in scoring: 38

## Classification and evidence

**Bonanza Intercept**

Polarity: positive

Definition: Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: Hole iAU26-05 returned 24.6 g/t Au over 23.6 m, which is an exceptionally high-grade gold intercept for underground mining.

Evidence · table

> 24.6

Context: 23.6

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: The document states that 'True widths are estimated between approximately 40%-65% of core width', providing an estimate for true width.

Evidence · text

> True widths are estimated between approximately 40%-65% of core width.

**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: The release mentions that samples were submitted to MSALABS \(MSA\), an ISO9001 accredited laboratory, and that i-80 Gold's QA/QC program includes regular insertion of CRM standards, duplicates, and blanks.

Evidence · text

> All samples were submitted to MSALABS \(MSA\) of Elko, NV, which is an ISO9001 accredited laboratory, independent of the Company. ... i-80 Gold's QA/QC program includes regular insertion of CRM standards, duplicates, and blanks into the sample stream with a stringent review of all results.

**QP/CP Signed**

Polarity: positive

Story-specific tag

Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience.

Why it applies: The technical information was reviewed and approved by Paul Chawrun P.Eng. and Tyler Hill CPG., both qualified persons within the meaning of NI 43-101 and S-K 1300.

Evidence · text

> The technical information contained in this press release has been prepared under the supervision of, and has been reviewed and approved by Paul Chawrun P.Eng., Chief Operating Officer, and Tyler Hill CPG., Vice President, Geology, for the Company, each of whom are qualified persons within the meaning of National Instrument 43-101 - Standards of Disclosure for Mineral Projects \("NI 43-101"\) and S-K 1300.

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: The drilling program is described as 'infill drilling' with a focus on further delineating Upper Archimedes and upgrading inferred resources.

Evidence · text

> Infill drilling commenced in the fourth quarter of 2025 with a focus on further delineating Upper Archimedes

**NI 43-101 Compliant**

Polarity: positive

Story-specific tag

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

Why it applies: The technical information and PEA are prepared in accordance with NI 43-101.

Evidence · text

> prepared in accordance with NI 43-101

## Extracted facts

Stored fact records: 38. Some facts used in scoring do not have a stored record.

## Drill Results (38)

### iAU25-01

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-0)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-01
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 5.6
- Grade Unit: g/t
- Intercept: 4.8 m
- From: 151.2 m
- To: 156 m
- Intercept Depth: 151.2 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-01:151.2-156
- Mining Method: underground

#### Location

- Easting: 587369
- Northing: 4375860
- CRS: NAD83 Zone 11
- Elevation: 1774 m
- Azimuth: 3 °
- Dip: -44 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept shows a good gold grade over a moderate width, contributing positively to the resource confidence for underground mining.

- Positive factor: High-grade gold intercept for underground mining.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 5.6

Context: 4.8

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-01

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-1)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-01
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 9.2
- Grade Unit: g/t
- Intercept: 2.9 m
- From: 189.9 m
- To: 192.8 m
- Intercept Depth: 189.9 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-01:189.9-192.8
- Mining Method: underground

#### Location

- Easting: 587369
- Northing: 4375860
- CRS: NAD83 Zone 11
- Elevation: 1774 m
- Azimuth: 3 °
- Dip: -44 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept shows a high gold grade over a narrow width, which is positive for underground mining scenarios.

- Positive factor: High-grade gold intercept for underground mining.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 9.2

Context: 2.9

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-01

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-2)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-01
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 6.6
- Grade Unit: g/t
- Intercept: 28.3 m
- From: 195.4 m
- To: 223.7 m
- Intercept Depth: 195.4 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-01:195.4-223.7
- Mining Method: underground

#### Location

- Easting: 587369
- Northing: 4375860
- CRS: NAD83 Zone 11
- Elevation: 1774 m
- Azimuth: 3 °
- Dip: -44 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept demonstrates strong gold grades over a substantial width, which is highly material for the project, especially given the oxide nature.

- Positive factor: High-grade gold intercept over a significant width, indicating good continuity.

- Positive factor: Oxide mineralization provides potential for low-cost ounces.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 6.6

Context: 28.3

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-02

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-3)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-02
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 7
- Grade Unit: g/t
- Intercept: 19 m
- From: 129.7 m
- To: 148.7 m
- Intercept Depth: 129.7 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-02:129.7-148.7
- Mining Method: underground

#### Location

- Easting: 587369
- Northing: 4375860
- CRS: NAD83 Zone 11
- Elevation: 1774 m
- Azimuth: 1 °
- Dip: -51 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept provides strong gold grades over a significant width, reinforcing the mineralization continuity.

- Positive factor: High-grade gold intercept over a good width for underground mining.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 7.0

Context: 19.0

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-02

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-4)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-02
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 6.9
- Grade Unit: g/t
- Intercept: 13.7 m
- From: 157.9 m
- To: 171.6 m
- Intercept Depth: 157.9 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-02:157.9-171.6
- Mining Method: underground

#### Location

- Easting: 587369
- Northing: 4375860
- CRS: NAD83 Zone 11
- Elevation: 1774 m
- Azimuth: 1 °
- Dip: -51 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept provides strong gold grades over a significant width, reinforcing the mineralization continuity.

- Positive factor: High-grade gold intercept over a good width for underground mining.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 6.9

Context: 13.7

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-02

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-5)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-02
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 4.1
- Grade Unit: g/t
- Intercept: 21.3 m
- From: 171.6 m
- To: 192.9 m
- Intercept Depth: 171.6 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-02:171.6-192.9
- Mining Method: underground

#### Location

- Easting: 587369
- Northing: 4375860
- CRS: NAD83 Zone 11
- Elevation: 1774 m
- Azimuth: 1 °
- Dip: -51 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept shows a good gold grade over a substantial width, which is positive for the project, especially given the oxide nature.

- Positive factor: Good gold grade over a significant width, indicating continuity.

- Positive factor: Oxide mineralization provides potential for low-cost ounces.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 4.1

Context: 21.3

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-03

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-6)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-03
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 5.4
- Grade Unit: g/t
- Intercept: 10.7 m
- From: 108.8 m
- To: 119.5 m
- Intercept Depth: 108.8 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-03:108.8-119.5
- Mining Method: underground

#### Location

- Easting: 587355
- Northing: 4375820
- CRS: NAD83 Zone 11
- Elevation: 1779 m
- Azimuth: 324 °
- Dip: -35 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept shows a good gold grade over a moderate width, contributing positively to the resource confidence for underground mining.

- Positive factor: High-grade gold intercept for underground mining.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 5.4

Context: 10.7

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-03

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-7)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-03
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 10.3
- Grade Unit: g/t
- Intercept: 6.9 m
- From: 154.7 m
- To: 161.6 m
- Intercept Depth: 154.7 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-03:154.7-161.6
- Mining Method: underground

#### Location

- Easting: 587355
- Northing: 4375820
- CRS: NAD83 Zone 11
- Elevation: 1779 m
- Azimuth: 324 °
- Dip: -35 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept shows a high gold grade over a moderate width, which is positive for underground mining scenarios.

- Positive factor: High-grade gold intercept for underground mining.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 10.3

Context: 6.9

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-04

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-8)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-04
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 14
- Grade Unit: g/t
- Intercept: 9.1 m
- From: 153.3 m
- To: 162.5 m
- Intercept Depth: 153.3 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-04:153.3-162.5
- Mining Method: underground

#### Location

- Easting: 587369
- Northing: 4375860
- CRS: NAD83 Zone 11
- Elevation: 1774 m
- Azimuth: 352 °
- Dip: -42 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept shows a very strong gold grade over a good width, which is highly material for underground mining.

- Positive factor: Very high-grade gold intercept over a good width for underground mining.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 14.0

Context: 9.1

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-04

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-9)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-04
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 2.1
- Grade Unit: g/t
- Intercept: 15.2 m
- From: 197.5 m
- To: 212.8 m
- Intercept Depth: 197.5 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-04:197.5-212.8
- Mining Method: underground

#### Location

- Easting: 587369
- Northing: 4375860
- CRS: NAD83 Zone 11
- Elevation: 1774 m
- Azimuth: 352 °
- Dip: -42 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept shows a good gold grade over a substantial width, which is positive for the project, especially given the oxide nature.

- Positive factor: Good gold grade over a significant width, indicating continuity.

- Positive factor: Oxide mineralization provides potential for low-cost ounces.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 2.1

Context: 15.2

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-05

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-10)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-05
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 2.7
- Grade Unit: g/t
- Intercept: 16 m
- From: 139.9 m
- To: 155.9 m
- Intercept Depth: 139.9 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-05:139.9-155.9
- Mining Method: underground

#### Location

- Easting: 587355
- Northing: 4375820
- CRS: NAD83 Zone 11
- Elevation: 1779 m
- Azimuth: 327 °
- Dip: -31 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept shows a good gold grade over a substantial width, which is positive for the project, especially given the oxide nature.

- Positive factor: Good gold grade over a significant width, indicating continuity.

- Positive factor: Oxide mineralization provides potential for low-cost ounces.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 2.7

Context: 16.0

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-06

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-11)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-06
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 12.7
- Grade Unit: g/t
- Intercept: 7.3 m
- From: 125.9 m
- To: 133.2 m
- Intercept Depth: 125.9 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-06:125.9-133.2
- Mining Method: underground

#### Location

- Easting: 587369
- Northing: 4375860
- CRS: NAD83 Zone 11
- Elevation: 1774 m
- Azimuth: 350 °
- Dip: -57 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept shows a very strong gold grade over a moderate width, which is highly material for underground mining.

- Positive factor: Very high-grade gold intercept for underground mining.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 12.7

Context: 7.3

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-06

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-12)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-06
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 7.3
- Grade Unit: g/t
- Intercept: 18.7 m
- From: 145.1 m
- To: 163.8 m
- Intercept Depth: 145.1 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-06:145.1-163.8
- Mining Method: underground

#### Location

- Easting: 587369
- Northing: 4375860
- CRS: NAD83 Zone 11
- Elevation: 1774 m
- Azimuth: 350 °
- Dip: -57 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept provides strong gold grades over a significant width, which is positive for the project, especially given the oxide nature.

- Positive factor: High-grade gold intercept over a good width, indicating continuity.

- Positive factor: Oxide mineralization provides potential for low-cost ounces.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 7.3

Context: 18.7

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-07

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-13)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-07
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 12.1
- Grade Unit: g/t
- Intercept: 13.7 m
- From: 133.2 m
- To: 146.9 m
- Intercept Depth: 133.2 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-07:133.2-146.9
- Mining Method: underground

#### Location

- Easting: 587354
- Northing: 4375820
- CRS: NAD83 Zone 11
- Elevation: 1779 m
- Azimuth: 316 °
- Dip: -36 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept shows a very strong gold grade over a good width, which is highly material for underground mining.

- Positive factor: Very high-grade gold intercept over a good width for underground mining.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 12.1

Context: 13.7

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-08

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-14)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-08
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 9.5
- Grade Unit: g/t
- Intercept: 14.6 m
- From: 132 m
- To: 146.6 m
- Intercept Depth: 132 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-08:132-146.6
- Mining Method: underground

#### Location

- Easting: 587369
- Northing: 4375860
- CRS: NAD83 Zone 11
- Elevation: 1774 m
- Azimuth: 350 °
- Dip: -50 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept provides strong gold grades over a significant width, reinforcing the mineralization continuity.

- Positive factor: High-grade gold intercept over a good width for underground mining.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 9.5

Context: 14.6

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-08

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-15)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-08
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 3.1
- Grade Unit: g/t
- Intercept: 23.7 m
- From: 170.8 m
- To: 194.5 m
- Intercept Depth: 170.8 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-08:170.8-194.5
- Mining Method: underground

#### Location

- Easting: 587369
- Northing: 4375860
- CRS: NAD83 Zone 11
- Elevation: 1774 m
- Azimuth: 350 °
- Dip: -50 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept shows a good gold grade over a substantial width, which is positive for the project, especially given the oxide nature.

- Positive factor: Good gold grade over a significant width, indicating continuity.

- Positive factor: Oxide mineralization provides potential for low-cost ounces.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 3.1

Context: 23.7

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-09

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-16)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-09
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 6
- Grade Unit: g/t
- Intercept: 7.4 m
- From: 113.7 m
- To: 121.1 m
- Intercept Depth: 113.7 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-09:113.7-121.1
- Mining Method: underground

#### Location

- Easting: 587354
- Northing: 4375820
- CRS: NAD83 Zone 11
- Elevation: 1779 m
- Azimuth: 315 °
- Dip: -32 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept shows a good gold grade over a moderate width, contributing positively to the resource confidence for underground mining.

- Positive factor: High-grade gold intercept for underground mining.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 6.0

Context: 7.4

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-09

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-17)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-09
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 10.2
- Grade Unit: g/t
- Intercept: 36.4 m
- From: 139.5 m
- To: 176 m
- Intercept Depth: 139.5 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-09:139.5-176
- Mining Method: underground

#### Location

- Easting: 587354
- Northing: 4375820
- CRS: NAD83 Zone 11
- Elevation: 1779 m
- Azimuth: 315 °
- Dip: -32 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept represents a bonanza grade over an exceptional width, making it highly material and a key highlight of the drilling program.

- Positive factor: Very high-grade gold intercept over an exceptional width, indicating strong continuity.

- Positive factor: This is one of the highlight intercepts mentioned in the release.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 10.2

Context: 36.4

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-10

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-18)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-10
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 4
- Grade Unit: g/t
- Intercept: 2.7 m
- From: 121.8 m
- To: 124.5 m
- Intercept Depth: 121.8 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-10:121.8-124.5
- Mining Method: underground

#### Location

- Easting: 587369
- Northing: 4375860
- CRS: NAD83 Zone 11
- Elevation: 1774 m
- Azimuth: 344 °
- Dip: -43 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept shows a good gold grade but over a narrow width, making it less material than wider intercepts.

- Positive factor: Good gold grade for underground mining.

- Negative factor: Narrow intercept length.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 4.0

Context: 2.7

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-11

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-19)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-11
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 11
- Grade Unit: g/t
- Intercept: 20.4 m
- From: 126.7 m
- To: 147.2 m
- Intercept Depth: 126.7 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-11:126.7-147.2
- Mining Method: underground

#### Location

- Easting: 587354
- Northing: 4375820
- CRS: NAD83 Zone 11
- Elevation: 1779 m
- Azimuth: 306 °
- Dip: -36 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept shows a very strong gold grade over a substantial width, which is highly material for underground mining.

- Positive factor: Very high-grade gold intercept over a significant width, indicating strong continuity.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 11.0

Context: 20.4

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-11

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-20)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-11
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 3.3
- Grade Unit: g/t
- Intercept: 16.2 m
- From: 147.2 m
- To: 163.4 m
- Intercept Depth: 147.2 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-11:147.2-163.4
- Mining Method: underground

#### Location

- Easting: 587354
- Northing: 4375820
- CRS: NAD83 Zone 11
- Elevation: 1779 m
- Azimuth: 306 °
- Dip: -36 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept shows a good gold grade over a substantial width, which is positive for the project, especially given the oxide nature.

- Positive factor: Good gold grade over a significant width, indicating continuity.

- Positive factor: Oxide mineralization provides potential for low-cost ounces.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 3.3

Context: 16.2

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-12

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-21)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-12
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 4.3
- Grade Unit: g/t
- Intercept: 5.9 m
- From: 95.4 m
- To: 101.3 m
- Intercept Depth: 95.4 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-12:95.4-101.3
- Mining Method: underground

#### Location

- Easting: 587368
- Northing: 4375860
- CRS: NAD83 Zone 11
- Elevation: 1774 m
- Azimuth: 331 °
- Dip: -55 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept shows a good gold grade over a moderate width, which is positive for the project, especially given the oxide nature.

- Positive factor: Good gold grade for underground mining.

- Positive factor: Oxide mineralization provides potential for low-cost ounces.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 4.3

Context: 5.9

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-12

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-22)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-12
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 4.4
- Grade Unit: g/t
- Intercept: 12.8 m
- From: 149.4 m
- To: 162.2 m
- Intercept Depth: 149.4 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-12:149.4-162.2
- Mining Method: underground

#### Location

- Easting: 587368
- Northing: 4375860
- CRS: NAD83 Zone 11
- Elevation: 1774 m
- Azimuth: 331 °
- Dip: -55 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept shows a good gold grade over a good width, which is positive for the project, especially given the oxide nature.

- Positive factor: Good gold grade over a good width, indicating continuity.

- Positive factor: Oxide mineralization provides potential for low-cost ounces.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 4.4

Context: 12.8

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-13

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-23)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-13
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 8.1
- Grade Unit: g/t
- Intercept: 10.2 m
- From: 135.1 m
- To: 145.4 m
- Intercept Depth: 135.1 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-13:135.1-145.4
- Mining Method: underground

#### Location

- Easting: 587354
- Northing: 4375820
- CRS: NAD83 Zone 11
- Elevation: 1779 m
- Azimuth: 299 °
- Dip: -38 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept provides strong gold grades over a significant width, reinforcing the mineralization continuity.

- Positive factor: High-grade gold intercept over a good width for underground mining.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 8.1

Context: 10.2

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-14

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-24)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-14
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 9.3
- Grade Unit: g/t
- Intercept: 15.2 m
- From: 104.2 m
- To: 119.5 m
- Intercept Depth: 104.2 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-14:104.2-119.5
- Mining Method: underground

#### Location

- Easting: 587368
- Northing: 4375860
- CRS: NAD83 Zone 11
- Elevation: 1774 m
- Azimuth: 332 °
- Dip: -59 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept provides strong gold grades over a significant width, reinforcing the mineralization continuity.

- Positive factor: High-grade gold intercept over a good width for underground mining.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 9.3

Context: 15.2

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-14

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-25)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-14
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 6.1
- Grade Unit: g/t
- Intercept: 42.1 m
- From: 129.9 m
- To: 172 m
- Intercept Depth: 129.9 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-14:129.9-172
- Mining Method: underground

#### Location

- Easting: 587368
- Northing: 4375860
- CRS: NAD83 Zone 11
- Elevation: 1774 m
- Azimuth: 332 °
- Dip: -59 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept represents a strong gold grade over an exceptional width, making it highly material and a key highlight of the drilling program, especially given the oxide nature.

- Positive factor: High-grade gold intercept over an exceptional width, indicating strong continuity.

- Positive factor: Oxide mineralization provides potential for low-cost ounces.

- Positive factor: This is one of the highlight intercepts mentioned in the release.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 6.1

Context: 42.1

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-15

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-26)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-15
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 5.3
- Grade Unit: g/t
- Intercept: 20.7 m
- From: 130.8 m
- To: 151.5 m
- Intercept Depth: 130.8 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-15:130.8-151.5
- Mining Method: underground

#### Location

- Easting: 587354
- Northing: 4375820
- CRS: NAD83 Zone 11
- Elevation: 1779 m
- Azimuth: 297 °
- Dip: -34 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept provides strong gold grades over a significant width, reinforcing the mineralization continuity.

- Positive factor: High-grade gold intercept over a good width for underground mining.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 5.3

Context: 20.7

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU25-15

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-27)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU25-15
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 2.5
- Grade Unit: g/t
- Intercept: 8 m
- From: 176 m
- To: 183.9 m
- Intercept Depth: 176 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU25-15:176-183.9
- Mining Method: underground

#### Location

- Easting: 587354
- Northing: 4375820
- CRS: NAD83 Zone 11
- Elevation: 1779 m
- Azimuth: 297 °
- Dip: -34 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept shows a good gold grade over a moderate width, which is positive for the project, especially given the oxide nature.

- Positive factor: Good gold grade for underground mining.

- Positive factor: Oxide mineralization provides potential for low-cost ounces.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 2.5

Context: 8.0

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU26-01

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-28)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU26-01
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 8
- Grade Unit: g/t
- Intercept: 46.4 m
- From: 135 m
- To: 181.4 m
- Intercept Depth: 135 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU26-01:135-181.4
- Mining Method: underground

#### Location

- Easting: 587354
- Northing: 4375820
- CRS: NAD83 Zone 11
- Elevation: 1779 m
- Azimuth: 292 °
- Dip: -32 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept represents a strong gold grade over an exceptional width, making it highly material and a key highlight of the drilling program.

- Positive factor: High-grade gold intercept over an exceptional width, indicating strong continuity.

- Positive factor: This is one of the highlight intercepts mentioned in the release.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 8.0

Context: 46.4

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU26-01

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-29)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU26-01
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 5.3
- Grade Unit: g/t
- Intercept: 20.5 m
- From: 151.1 m
- To: 171.5 m
- Intercept Depth: 151.1 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU26-01:151.1-171.5
- Mining Method: underground

#### Location

- Easting: 587354
- Northing: 4375820
- CRS: NAD83 Zone 11
- Elevation: 1779 m
- Azimuth: 292 °
- Dip: -32 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This sub-interval shows a good gold grade over a significant width, which is positive for the project, especially given the oxide nature.

- Positive factor: High-grade gold intercept over a good width, indicating continuity.

- Positive factor: Oxide mineralization provides potential for low-cost ounces.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 5.3

Context: 20.5

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU26-01

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-30)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU26-01
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 12.8
- Grade Unit: g/t
- Intercept: 2.4 m
- From: 186.5 m
- To: 188.9 m
- Intercept Depth: 186.5 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU26-01:186.5-188.9
- Mining Method: underground

#### Location

- Easting: 587354
- Northing: 4375820
- CRS: NAD83 Zone 11
- Elevation: 1779 m
- Azimuth: 292 °
- Dip: -32 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This sub-interval shows a very strong gold grade but over a narrow width, making it less material than wider intercepts.

- Positive factor: Very high-grade gold intercept for underground mining.

- Negative factor: Narrow intercept length.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 12.8

Context: 2.4

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU26-02

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-31)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU26-02
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 2.3
- Grade Unit: g/t
- Intercept: 19.8 m
- From: 146.3 m
- To: 166.1 m
- Intercept Depth: 146.3 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU26-02:146.3-166.1
- Mining Method: underground

#### Location

- Easting: 587368
- Northing: 4375860
- CRS: NAD83 Zone 11
- Elevation: 1774 m
- Azimuth: 322 °
- Dip: -46 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept shows a good gold grade over a substantial width, which is positive for the project, especially given the oxide nature.

- Positive factor: Good gold grade over a significant width, indicating continuity.

- Positive factor: Oxide mineralization provides potential for low-cost ounces.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 2.3

Context: 19.8

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU26-03

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-32)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU26-03
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 13.8
- Grade Unit: g/t
- Intercept: 6.7 m
- From: 134.1 m
- To: 140.8 m
- Intercept Depth: 134.1 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU26-03:134.1-140.8
- Mining Method: underground

#### Location

- Easting: 587354
- Northing: 4375820
- CRS: NAD83 Zone 11
- Elevation: 1779 m
- Azimuth: 290 °
- Dip: -38 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept shows a very strong gold grade over a moderate width, which is highly material for underground mining.

- Positive factor: Very high-grade gold intercept for underground mining.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 13.8

Context: 6.7

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU26-03

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-33)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU26-03
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 3.9
- Grade Unit: g/t
- Intercept: 44.3 m
- From: 140.8 m
- To: 185 m
- Intercept Depth: 140.8 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU26-03:140.8-185
- Mining Method: underground

#### Location

- Easting: 587354
- Northing: 4375820
- CRS: NAD83 Zone 11
- Elevation: 1779 m
- Azimuth: 290 °
- Dip: -38 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept represents a strong gold grade over an exceptional width, making it highly material and a key highlight of the drilling program, especially given the oxide nature.

- Positive factor: High-grade gold intercept over an exceptional width, indicating strong continuity.

- Positive factor: Oxide mineralization provides potential for low-cost ounces.

- Positive factor: This is one of the highlight intercepts mentioned in the release.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 3.9

Context: 44.3

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU26-04

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-34)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU26-04
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 10.3
- Grade Unit: g/t
- Intercept: 7.2 m
- From: 104.5 m
- To: 111.7 m
- Intercept Depth: 104.5 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU26-04:104.5-111.7
- Mining Method: underground

#### Location

- Easting: 587368
- Northing: 4375860
- CRS: NAD83 Zone 11
- Elevation: 1774 m
- Azimuth: 319 °
- Dip: -59 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept shows a high gold grade over a moderate width, which is positive for underground mining scenarios.

- Positive factor: High-grade gold intercept for underground mining.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 10.3

Context: 7.2

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU26-04

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-35)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU26-04
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 2.9
- Grade Unit: g/t
- Intercept: 37.9 m
- From: 130.5 m
- To: 168.3 m
- Intercept Depth: 130.5 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU26-04:130.5-168.3
- Mining Method: underground

#### Location

- Easting: 587368
- Northing: 4375860
- CRS: NAD83 Zone 11
- Elevation: 1774 m
- Azimuth: 319 °
- Dip: -59 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept shows a good gold grade over an exceptional width, which is positive for the project, especially given the oxide nature.

- Positive factor: Good gold grade over an exceptional width, indicating strong continuity.

- Positive factor: Oxide mineralization provides potential for low-cost ounces.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 2.9

Context: 37.9

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU26-05

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-36)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU26-05
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 24.6
- Grade Unit: g/t
- Intercept: 23.6 m
- From: 128.2 m
- To: 151.8 m
- Intercept Depth: 128.2 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU26-05:128.2-151.8
- Mining Method: underground

#### Location

- Easting: 587354
- Northing: 4375820
- CRS: NAD83 Zone 11
- Elevation: 1779 m
- Azimuth: 386 °
- Dip: -30 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept represents an exceptionally high-grade gold result over a substantial width, making it highly material and the primary highlight of the drilling program.

- Positive factor: Bonanza grade gold intercept over a significant width, indicating exceptional continuity.

- Positive factor: This is the headline intercept of the release.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 24.6

Context: 23.6

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

### iAU26-05

[Link to this fact](https://atlas-extractions.minestarters.com/news/i-80-gold-reports-high-grade-assay-results-at-archimedes-underground-project-inc--58607483-c260-4b6d-9bb7-21eea1a386cf#fact-drill-facts-37)

Archimedes Underground · gold

#### Identity

- Hole ID: iAU26-05
- Project: Archimedes Underground
- Commodity: gold
- Region: usa\_nv
- Reported Region: usa\_nv
- Ticker: IAU

#### Geometry

- Grade: 5.7
- Grade Unit: g/t
- Intercept: 6.5 m
- From: 170.1 m
- To: 176.6 m
- Intercept Depth: 170.1 m

#### Classification

- Program: resource
- Sample Type: drill
- Group ID: iAU26-05:170.1-176.6
- Mining Method: underground

#### Location

- Easting: 587354
- Northing: 4375820
- CRS: NAD83 Zone 11
- Elevation: 1779 m
- Azimuth: 386 °
- Dip: -30 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: MSALABS \(MSA\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: This intercept shows a good gold grade over a moderate width, contributing positively to the resource confidence for underground mining.

- Positive factor: High-grade gold intercept for underground mining.

- Negative factor: True width is estimated as a range, not a precise value.

Evidence · table

> 5.7

Context: 6.5

#### 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "resource"

## 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.