Rio Silver Inc. Reports: Initial Silver - Gold - Lead Recoveries of 85 %, 74 % and 77% Respectively From the Maria Norte in Central Peru
Original announcement by tmx on
- Company
- Rio Silver Inc.
- Ticker
- RYO
- Exchange
- TSX
- Region
- Central Peru
- Primary commodity
- Silver
- Secondary commodities
- Gold, Lead
- Document categories
- Metallurgy
- Extracted
- 2026-09-12 22:57:39 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Rio Silver Inc. has reported successful initial metallurgical flotation test work at the Maria Norte property in Peru. The results demonstrated high recoveries for silver (85%), gold (74%), and lead (77%), producing two high-grade concentrates with low arsenic content.
Reasoning: Initial flotation test work on a large composite sample from Maria Norte shows strong recoveries for silver, gold, and lead with low arsenic penalties.
Positive factors
- High silver and gold recoveries achieved via flotation
- Low arsenic levels in concentrates
- High-grade concentrates produced
Negative factors
- Initial test work only; further optimization required for different vein sets
Facts used in scoring: 3
Classification and evidence
Free Millingpositive
Simple, clean ore amenable to standard processing without oxidation.
Why it applies: Initial flotation results show good recoveries for silver, gold, and lead.
Evidence · text
“Initial metallurgical results have confirmed the high recoveries of silver and gold at Maria Norte.”
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: The metallurgical work utilized conventional flotation methods.
Evidence · text
“through conventional flotation methods”
Single Domain Onlynegative
Testing limited to one composite or domain — representativeness not established.
Why it applies: only one composite was tested
Extracted facts
Stored fact records: 3. Some facts used in scoring do not have a stored record.
Metallurgical Results (3)
flotationMaria Norte · silverRecovery: 85 %Head Grade: 4.32Head Grade Unit: ounces per metric tonneView all detailsHide details
Identity
- Project
- Maria Norte
- Commodity
- silver
- Region
- peru
- Reported Region
- Central Peru
- Ticker
- RYO
Test Work
- Program Status
- preliminary
- Test Type
- flotation
- Processing Route
- flotation
- Sample
- Large composite sample from surface showing quartz-lead (Qtz-Pb) sulphide vein
Recovery
- Recovery
- 85 %
- Recovery Basis
- actual_test
- Head Grade
- 4.32
- Head Grade Unit
- ounces per metric tonne
Lab
- Laboratory
- Procesmin Ingenieros SRL
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-08T00:00:00.000Z
Reasoning: High silver recovery achieved in initial flotation tests.
Positive factors
- 85% recovery is strong for flotation
Evidence · text
“Initial Silver - Gold - Lead Recoveries of 85 %, 74 % and 77% Respectively”
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
flotationMaria Norte · goldRecovery: 74 %Head Grade: 3Head Grade Unit: grams per metric tonneView all detailsHide details
Identity
- Project
- Maria Norte
- Commodity
- gold
- Region
- peru
- Reported Region
- Central Peru
- Ticker
- RYO
Test Work
- Program Status
- preliminary
- Test Type
- flotation
- Processing Route
- flotation
- Sample
- Large composite sample from surface showing quartz-lead (Qtz-Pb) sulphide vein
Recovery
- Recovery
- 74 %
- Recovery Basis
- actual_test
- Head Grade
- 3
- Head Grade Unit
- grams per metric tonne
Lab
- Laboratory
- Procesmin Ingenieros SRL
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-08T00:00:00.000Z
Reasoning: Solid gold recovery reported in initial metallurgical testing.
Positive factors
- 74% gold recovery is good for initial flotation
Evidence · text
“Initial Silver - Gold - Lead Recoveries of 85 %, 74 % and 77%”
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: 74% is below the weak band (80%)
flotationMaria Norte · leadRecovery: 77 %Head Grade: 4.05Head Grade Unit: %View all detailsHide details
Identity
- Project
- Maria Norte
- Commodity
- lead
- Region
- peru
- Reported Region
- Central Peru
- Ticker
- RYO
Test Work
- Program Status
- preliminary
- Test Type
- flotation
- Processing Route
- flotation
- Sample
- Large composite sample from surface showing quartz-lead (Qtz-Pb) sulphide vein
Recovery
- Recovery
- 77 %
- Recovery Basis
- actual_test
- Head Grade
- 4.05
- Head Grade Unit
- %
Lab
- Laboratory
- Procesmin Ingenieros SRL
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-08T00:00:00.000Z
Reasoning: Lead recovery is consistent with initial flotation results.
Positive factors
- 77% lead recovery achieved
Evidence · text
“Initial Silver - Gold - Lead Recoveries of 85 %, 74 % and 77%”
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
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.