Goldsky Resources Reports Positive Metallurgical Test Results for the Barsele Gold Project
Original announcement by cnw on
- Company
- Goldsky Resources Corp
- Ticker
- GSKR
- Exchange
- Unavailable
- Region
- Sweden
- Primary commodity
- Gold
- Secondary commodities
- Silver
- Document categories
- Metallurgy
- Extracted
- 2026-09-21 13:03:59 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Goldsky Resources reported positive metallurgical test results for the Barsele gold project in Sweden, achieving overall gold recoveries of 89.6% for the Central deposit and 90.8% for the Avan deposit. The results, conducted by Alfred H Knight, confirm that the mineralization responds well to a conventional gravity-cyanidation flowsheet.
Reasoning: The testwork demonstrates strong gold recoveries (89.6-90.8%) using a conventional gravity-cyanidation circuit, supporting the project's PEA advancement.
Positive factors
- High overall gold recoveries (90% range)
- Fast leach kinetics
- Conventional flowsheet compatibility
- QA/QC disclosed with accredited lab
Negative factors
- Interim results only
- Requires further optimization for reagent consumption
Facts used in scoring: 6
Classification and evidence
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: The testwork involves milling to 80% passing 75 microns and cyanide leaching.
Evidence · text
“A 20-kilogram sample was milled to 80% passing 75 microns”
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: The flowsheet includes a Falcon L40 centrifugal gravity concentrator.
Evidence · text
“processed through a Falcon L40 centrifugal gravity concentrator”
QA/QC Disclosedpositive · Story-specific tag
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The release mentions ISO 17025 accreditation for the assay lab and digital sample tracking.
Evidence · text
“SAEL Assay Laboratory, which is ISO 17025 accredited”
Multi-Domain Testedpositive
Variability across ore domains (oxide, transition, fresh) has been addressed.
Why it applies: 2 distinct composites were tested
Extracted facts
Stored fact records: 6. Some facts used in scoring do not have a stored record.
Metallurgical Results (6)
bottle rollBarsele · goldRecovery: 89.6 %View all detailsHide details
Identity
- Project
- Barsele
- Commodity
- gold
- Region
- sweden
- Reported Region
- Sweden
- Ticker
- GSKR
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- gravity concentration and cyanide bottle-roll leach
- Sample
- Central composite sample (77.6kg)
- Grind P80
- 75 µm
Recovery
- Recovery
- 89.6 %
- Recovery Basis
- actual_test
Reagents
- Cyanide
- 0.75 kg/t
- Lime
- 0.5 kg/t
Lab
- Laboratory
- Alfred H Knight Laboratory
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-21T00:00:00.000Z
Reasoning: Overall mass balance recovery of 89.6% is strong for a preliminary program.
Positive factors
- High overall recovery
- Acceptable cyanide consumption
Evidence · text
“overall mass balance gold recoveries of 89.6% for the Central composite sample”
Tags used in scoring
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: processing_route matches the gravity signal
bottle rollBarsele · goldRecovery: 90.8 %View all detailsHide details
Identity
- Project
- Barsele
- Commodity
- gold
- Region
- sweden
- Reported Region
- Sweden
- Ticker
- GSKR
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- gravity concentration and cyanide bottle-roll leach
- Sample
- Avan composite sample (78.7kg)
- Grind P80
- 75 µm
Recovery
- Recovery
- 90.8 %
- Recovery Basis
- actual_test
Reagents
- Cyanide
- 0.75 kg/t
- Lime
- 0.5 kg/t
Lab
- Laboratory
- Alfred H Knight Laboratory
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-21T00:00:00.000Z
Reasoning: Overall mass balance recovery of 90.8% is strong for a preliminary program.
Positive factors
- High overall recovery
Evidence · text
“overall mass balance gold recoveries of ... 90.8% for the Avan composite sample”
Tags used in scoring
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: processing_route matches the gravity signal
gravityBarsele · goldRecovery: 30.2 %View all detailsHide details
Identity
- Project
- Barsele
- Commodity
- gold
- Region
- sweden
- Reported Region
- Sweden
- Ticker
- GSKR
Test Work
- Program Status
- preliminary
- Test Type
- gravity
- Processing Route
- gravity concentration
- Sample
- Central composite sample (gravity concentration)
Recovery
- Recovery
- 30.2 %
- Recovery Basis
- actual_test
Lab
- Laboratory
- Alfred H Knight Laboratory
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-21T00:00:00.000Z
Reasoning: 30.2% gravity recovery is indicative of gravity-recoverable gold.
Positive factors
- Indicates gravity-recoverable gold
Evidence · text
“Gravity gold recoveries of 30.2% for the Central composite sample”
Tags used in scoring
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: processing_route matches the gravity signal
Low Recoverynegative
Recovery below the weak band for the commodity and processing route.
Why it applies: 30.2% is below the weak band (80%)
gravityBarsele · goldRecovery: 27.7 %View all detailsHide details
Identity
- Project
- Barsele
- Commodity
- gold
- Region
- sweden
- Reported Region
- Sweden
- Ticker
- GSKR
Test Work
- Program Status
- preliminary
- Test Type
- gravity
- Processing Route
- gravity concentration
- Sample
- Avan composite sample (gravity concentration)
Recovery
- Recovery
- 27.7 %
- Recovery Basis
- actual_test
Lab
- Laboratory
- Alfred H Knight Laboratory
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-21T00:00:00.000Z
Reasoning: 27.7% gravity recovery is indicative of gravity-recoverable gold.
Positive factors
- Indicates gravity-recoverable gold
Evidence · text
“Gravity gold recoveries of ... 27.7% for the Avan composite sample”
Tags used in scoring
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: processing_route matches the gravity signal
Low Recoverynegative
Recovery below the weak band for the commodity and processing route.
Why it applies: 27.7% is below the weak band (80%)
bottle rollBarsele · goldRecovery: 86 %View all detailsHide details
Identity
- Project
- Barsele
- Commodity
- gold
- Region
- sweden
- Reported Region
- Sweden
- Ticker
- GSKR
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanide bottle-roll leach
- Sample
- Central composite sample (leach extraction)
Recovery
- Recovery
- 86 %
- Recovery Basis
- actual_test
Lab
- Laboratory
- Alfred H Knight Laboratory
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-21T00:00:00.000Z
Reasoning: 86.0% leach extraction on tailings is a solid result for preliminary testing.
Positive factors
- Strong leach extraction
Evidence · text
“Gold leach extraction of 86.0% for the Central composite sample”
bottle rollBarsele · goldRecovery: 88.1 %View all detailsHide details
Identity
- Project
- Barsele
- Commodity
- gold
- Region
- sweden
- Reported Region
- Sweden
- Ticker
- GSKR
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanide bottle-roll leach
- Sample
- Avan composite sample (leach extraction)
Recovery
- Recovery
- 88.1 %
- Recovery Basis
- actual_test
Lab
- Laboratory
- Alfred H Knight Laboratory
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-21T00:00:00.000Z
Reasoning: 88.1% leach extraction on tailings is a solid result for preliminary testing.
Positive factors
- Strong leach extraction
Evidence · text
“Gold leach extraction of ... 88.1% for the Avan composite sample”
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.