Perpetua Resources Reports New High-Grade Gold and Antimony Discoveries and a New Gold-Tungsten Zone at Stibnite Perpetua Resources Corp. (Nasdaq: PPTA) (TSX: PPTA) ("Perpetua Resources" or "Perpetua" or the "Company") is pleased to report drilling results and...

Original announcement by prnewswire on Aug 18, 2026

Bullish

Company: Perpetua Resources Corp.
Ticker: PPTA
Exchange: Unavailable
Region: Idaho
Primary commodity: Gold
Secondary commodities: Antimony, Tungsten
Document categories: Drill results, Other
Extracted: 2026-08-24 04:23:24 UTC

Minestarters Atlas analysis

Summary

Perpetua Resources has reported significant high-grade gold, antimony, and tungsten drill results from its Stibnite Gold Project in Idaho. The results include new gold-tungsten discoveries and high-grade antimony intercepts, positioning tungsten as a potential second critical mineral for the project.

Reasoning: The release reports significant new high-grade gold, antimony, and tungsten intercepts that establish tungsten as a new exploration focus and demonstrate potential for resource expansion.

Positive factors

High-grade gold intercepts
New tungsten discovery
Significant antimony-tungsten intercepts
Expansion of exploration focus to critical minerals

Negative factors

Regulatory review required for targets outside current permit

Facts used in scoring: 8

Classification and evidence

Bonanza Interceptpositive

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

Why it applies: 16.2 g/t gold intercept in SB580 is exceptionally high grade.

Evidence · text

“Hole SB580: 6.4 meters of 16.2 g/t gold”

QA/QC Disclosedpositive

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

Why it applies: Release details assay methods, lab names (ALS), and QA/QC procedures like blanks and standards.

Evidence · text

“Analyses were carried out by ALS Global Laboratories... Umpire samples are routinely submitted to third party labs and blank and standard samples are inserted”

Extracted facts

Stored fact records: 8. Some facts used in scoring do not have a stored record.

Drill Results (8)

SB597Stibnite Gold Project · goldGrade: 3.2Grade Unit: g/tIntercept: 21.3 mView all details

Link to this fact

Identity

Hole ID: SB597
Project: Stibnite Gold Project
Commodity: gold
Region: usa_id
Reported Region: Idaho
Ticker: PPTA

Geometry

Grade: 3.2
Grade Unit: g/t
Intercept: 21.3 m
From: 24 m
To: 45.3 m

Classification

Program: exploration
Sample Type: drill
Group ID: SB597:24.0-45.3
Mining Method: open_pit

QA/QC

Laboratory: ALS Global Laboratories
QA/QC Disclosed: Yes
Lab Certified: Yes
QP Signed: Yes
QA/QC Methods: blanks, standards, duplicates, umpire, check_assays

Review

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

Dates

Event date: 2026-08-18T00:00:00.000Z

Reasoning: 21.3m at 3.2 g/t gold is a strong intercept for an open pit project.

Positive factors

Significant width and grade

Evidence · text

“Hole SB597: 21.3 meters of 3.2 g/t gold and 0.9% tungsten from 24 meter depth”

SB597Stibnite Gold Project · tungstenGrade: 0.9Grade Unit: %Intercept: 21.3 mView all details

Link to this fact

Identity

Hole ID: SB597
Project: Stibnite Gold Project
Commodity: tungsten
Region: usa_id
Reported Region: Idaho
Ticker: PPTA

Geometry

Grade: 0.9
Grade Unit: %
Intercept: 21.3 m
From: 24 m
To: 45.3 m

Classification

Program: exploration
Sample Type: drill
Group ID: SB597:24.0-45.3
Mining Method: open_pit

QA/QC

Laboratory: ALS Global Laboratories
QA/QC Disclosed: Yes
Lab Certified: Yes
QP Signed: Yes
QA/QC Methods: blanks, standards, duplicates, umpire, check_assays

Review

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

Dates

Event date: 2026-08-18T00:00:00.000Z

Reasoning: Co-occurrence of tungsten with gold in a significant interval.

Positive factors

New tungsten discovery

Evidence · text

“Hole SB597: 21.3 meters of 3.2 g/t gold and 0.9% tungsten from 24 meter depth”

SB597Stibnite Gold Project · goldGrade: 7.1Grade Unit: g/tIntercept: 7 mView all details

Link to this fact

Identity

Hole ID: SB597
Project: Stibnite Gold Project
Commodity: gold
Region: usa_id
Reported Region: Idaho
Ticker: PPTA

Geometry

Grade: 7.1
Grade Unit: g/t
Intercept: 7 m
From: 34 m
To: 41 m

Classification

Program: exploration
Sample Type: drill
Group ID: SB597:34.0-41.0
Mining Method: open_pit

QA/QC

Laboratory: ALS Global Laboratories
QA/QC Disclosed: Yes
Lab Certified: Yes
QP Signed: Yes
QA/QC Methods: blanks, standards, duplicates, umpire, check_assays

Review

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

Dates

Event date: 2026-08-18T00:00:00.000Z

Reasoning: High-grade 7.0m interval within the larger intercept.

Positive factors

High-grade sub-interval

Evidence · text

“incl. 7.0 meters grading 7.1 g/t gold and 0.3% tungsten from 34 meter depth”

SB597Stibnite Gold Project · tungstenGrade: 0.3Grade Unit: %Intercept: 7 mView all details

Link to this fact

Identity

Hole ID: SB597
Project: Stibnite Gold Project
Commodity: tungsten
Region: usa_id
Reported Region: Idaho
Ticker: PPTA

Geometry

Grade: 0.3
Grade Unit: %
Intercept: 7 m
From: 34 m
To: 41 m

Classification

Program: exploration
Sample Type: drill
Group ID: SB597:34.0-41.0
Mining Method: open_pit

QA/QC

Laboratory: ALS Global Laboratories
QA/QC Disclosed: Yes
Lab Certified: Yes
QP Signed: Yes
QA/QC Methods: blanks, standards, duplicates, umpire, check_assays

Review

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

Dates

Event date: 2026-08-18T00:00:00.000Z

Reasoning: Sub-interval tungsten grade.

Evidence · text

“incl. 7.0 meters grading 7.1 g/t gold and 0.3% tungsten from 34 meter depth”

SB580Stibnite Gold Project · goldGrade: 16.2Grade Unit: g/tIntercept: 6.4 mView all details

Link to this fact

Identity

Hole ID: SB580
Project: Stibnite Gold Project
Commodity: gold
Region: usa_id
Reported Region: Idaho
Ticker: PPTA

Geometry

Grade: 16.2
Grade Unit: g/t
Intercept: 6.4 m
From: 0 m
To: 6.4 m

Classification

Program: exploration
Sample Type: drill
Group ID: SB580:0.0-6.4
Mining Method: open_pit

QA/QC

Laboratory: ALS Global Laboratories
QA/QC Disclosed: Yes
Lab Certified: Yes
QP Signed: Yes
QA/QC Methods: blanks, standards, duplicates, umpire, check_assays

Review

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

Dates

Event date: 2026-08-18T00:00:00.000Z

Reasoning: 16.2 g/t gold is an exceptional grade for an open pit project.

Positive factors

Exceptional gold grade

Evidence · text

“Hole SB580: 6.4 meters of 16.2 g/t gold and 1.7% antimony from surface”

SB580Stibnite Gold Project · antimonyGrade: 1.7Grade Unit: %Intercept: 6.4 mView all details

Link to this fact

Identity

Hole ID: SB580
Project: Stibnite Gold Project
Commodity: antimony
Region: usa_id
Reported Region: Idaho
Ticker: PPTA

Geometry

Grade: 1.7
Grade Unit: %
Intercept: 6.4 m
From: 0 m
To: 6.4 m

Classification

Program: exploration
Sample Type: drill
Group ID: SB580:0.0-6.4
Mining Method: open_pit

QA/QC

Laboratory: ALS Global Laboratories
QA/QC Disclosed: Yes
Lab Certified: Yes
QP Signed: Yes
QA/QC Methods: blanks, standards, duplicates, umpire, check_assays

Review

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

Dates

Event date: 2026-08-18T00:00:00.000Z

Reasoning: High antimony grade from surface.

Positive factors

Significant antimony grade

Evidence · text

“Hole SB580: 6.4 meters of 16.2 g/t gold and 1.7% antimony from surface”

SB519Stibnite Gold Project · antimonyGrade: 3.2Grade Unit: %Intercept: 22.9 mView all details

Link to this fact

Identity

Hole ID: SB519
Project: Stibnite Gold Project
Commodity: antimony
Region: usa_id
Reported Region: Idaho
Ticker: PPTA

Geometry

Grade: 3.2
Grade Unit: %
Intercept: 22.9 m
From: 330 m
To: 352.9 m

Classification

Program: exploration
Sample Type: drill
Group ID: SB519:330.0-352.9
Mining Method: open_pit

QA/QC

Laboratory: ALS Global Laboratories
QA/QC Disclosed: Yes
Lab Certified: Yes
QP Signed: Yes
QA/QC Methods: blanks, standards, duplicates, umpire, check_assays

Review

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

Dates

Event date: 2026-08-18T00:00:00.000Z

Reasoning: 22.9m at 3.2% antimony is a very strong intercept.

Positive factors

Significant antimony grade
Large width

Evidence · text

“Hole SB519: 22.9 meters of 3.2% antimony and 1.2% tungsten from 330 meter depth”

SB519Stibnite Gold Project · tungstenGrade: 1.2Grade Unit: %Intercept: 22.9 mView all details

Link to this fact

Identity

Hole ID: SB519
Project: Stibnite Gold Project
Commodity: tungsten
Region: usa_id
Reported Region: Idaho
Ticker: PPTA

Geometry

Grade: 1.2
Grade Unit: %
Intercept: 22.9 m
From: 330 m
To: 352.9 m

Classification

Program: exploration
Sample Type: drill
Group ID: SB519:330.0-352.9
Mining Method: open_pit

QA/QC

Laboratory: ALS Global Laboratories
QA/QC Disclosed: Yes
Lab Certified: Yes
QP Signed: Yes
QA/QC Methods: blanks, standards, duplicates, umpire, check_assays

Review

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

Dates

Event date: 2026-08-18T00:00:00.000Z

Reasoning: 1.2% tungsten in a large interval is a strong result.

Positive factors

Significant tungsten grade

Evidence · text

“Hole SB519: 22.9 meters of 3.2% antimony and 1.2% tungsten from 330 meter depth”

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.