Kingman Reports 82.3% Gravity-Recoverable Gold and 93.5% Preliminary Gold Recovery from Rosebud Metallurgical Testing
Original announcement by tmx on
- Company
- Kingman Minerals Ltd.
- Ticker
- KGS
- Exchange
- TSX
- Region
- Arizona
- Primary commodity
- Gold
- Secondary commodities
- Silver
- Document categories
- Metallurgy
- Extracted
- 2026-09-16 06:23:29 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Kingman Minerals reported highly favourable preliminary metallurgical results from its Rosebud Gold Property in Arizona. Testing via a combined gravity and rougher flotation flowsheet achieved a 93.5% preliminary gold recovery, supported by a strong 82.3% gravity-recoverable gold (GRG) response.
Reasoning: The metallurgical results show exceptionally high gravity recoverability and strong combined gold-silver recovery, providing a solid technical foundation for the Rosebud project.
Positive factors
- High gravity-recoverable gold (82.3%)
- Strong combined recovery (93.5%)
- High-grade gravity concentrate (379.97 g/t Au)
- Presence of silver credits
Negative factors
- High variability/nugget effect noted in composites
- Results are preliminary and laboratory-scale
Facts used in scoring: 5
Classification and evidence
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: Combined gold recovery of 93.5% is exceptional for preliminary testing.
Evidence · text
“achieved a preliminary 93.5% overall gold recovery”
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: Testing involved a combined gravity and rougher flotation flowsheet.
Evidence · text
“combined gravity and rougher flotation flowsheet”
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: the document describes a gravity route ("gravity")
Multi-Domain Testedpositive
Variability across ore domains (oxide, transition, fresh) has been addressed.
Why it applies: 3 distinct composites were tested
Extracted facts
Stored fact records: 5. Some facts used in scoring do not have a stored record.
Metallurgical Results (5)
Fact 1Rosebud Gold Property · goldRecovery: 93.5 %Head Grade: 12.52Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Rosebud Gold Property
- Commodity
- gold
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- KGS
Test Work
- Processing Route
- combined gravity and rougher flotation
- Sample
- Master Composite (combined gravity and rougher flotation)
- Grind P80
- 75 µm
Recovery
- Recovery
- 93.5 %
- Recovery Basis
- actual_test
- Head Grade
- 12.52
- Head Grade Unit
- g/t
Lab
- Laboratory
- Sepro Laboratories
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: 93.5% combined recovery is very strong for a preliminary test.
Positive factors
- High overall recovery
- Strong gravity response
Evidence · text
“preliminary 93.5% overall gold recovery from a combined gravity and rougher flotation flowsheet”
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: processing_route matches the gravity signal
Fact 2Rosebud Gold Property · goldRecovery: 82.3 %Head Grade: 12.52Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Rosebud Gold Property
- Commodity
- gold
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- KGS
Test Work
- Processing Route
- gravity concentration
- Sample
- Master Composite (gravity concentration)
- Grind P80
- 75 µm
Recovery
- Recovery
- 82.3 %
- Recovery Basis
- actual_test
- Head Grade
- 12.52
- Head Grade Unit
- g/t
Lab
- Laboratory
- Sepro Laboratories
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: 82.3% GRG is an exceptionally strong response for gravity concentration.
Positive factors
- Exceptionally high GRG
Evidence · text
“82.3% Gravity Recoverable Gold ("GRG")”
Tags used in scoring
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: processing_route matches the gravity signal
Fact 3Rosebud Gold Property · goldView all detailsHide details
Identity
- Project
- Rosebud Gold Property
- Commodity
- gold
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- KGS
Test Work
- Sample
- Gravity concentrate
Recovery
- Conc. Grade
- 379.97
- Conc. Grade Unit
- g/t
Lab
- Laboratory
- Sepro Laboratories
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: 379.97 g/t Au is a very high-grade concentrate.
Positive factors
- Very high grade concentrate
Evidence · text
“gravity concentrate grading 379.97 g/t gold”
Fact 4Rosebud Gold Property · goldRecovery: 61.9 %Head Grade: 12.52Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Rosebud Gold Property
- Commodity
- gold
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- KGS
Test Work
- Processing Route
- rougher flotation
- Sample
- Rougher flotation of gravity tailings
Recovery
- Recovery
- 61.9 %
- Recovery Basis
- actual_test
- Head Grade
- 12.52
- Head Grade Unit
- g/t
Lab
- Laboratory
- Sepro Laboratories
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: 61.9% recovery from flotation of tailings is a strong secondary recovery step.
Positive factors
- Significant additional recovery from tailings
Evidence · text
“Rougher flotation of the gravity tailings recovered an additional 61.9% of the gold”
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
Low Recoverynegative
Recovery below the weak band for the commodity and processing route.
Why it applies: 61.9% is below the weak band (80%)
Fact 5Rosebud Gold Property · silverRecovery: 63.1 %Head Grade: 60.5Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Rosebud Gold Property
- Commodity
- silver
- Region
- usa_az
- Reported Region
- Arizona
- Ticker
- KGS
Test Work
- Processing Route
- combined gravity and rougher flotation
- Sample
- Master Composite (combined gravity and flotation)
Recovery
- Recovery
- 63.1 %
- Recovery Basis
- actual_test
- Head Grade
- 60.5
- Head Grade Unit
- g/t
Lab
- Laboratory
- Sepro Laboratories
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: 63.1% silver recovery provides meaningful byproduct value.
Positive factors
- Encouraging silver credits
Evidence · text
“combined gravity and flotation testing recovering approximately 63.1% of the contained silver”
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
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: 63.1% is below the weak band (75%)
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.