Rio Silver Highlights High-Grade Silver up to 6.26 g/t Au and 991 g/t Ag (28.9 oz per metric tonne) over 0.70 metres at Maria Norte and Advances a Clear Near-Term Development Path in Peru
Original announcement by tmx on
- Company
- Rio Silver Inc.
- Ticker
- RYO
- Exchange
- TSX
- Region
- Peru
- Primary commodity
- Silver
- Secondary commodities
- Gold, Lead, Zinc, Copper
- Document categories
- Drill results, Metallurgy
- Extracted
- 2026-08-21 03:35:27 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Rio Silver has confirmed high-grade silver and gold mineralization at the Maria Norte project in Peru through NI 43-101 verification sampling. The results include silver grades up to 991 g/t and gold up to 6.26 g/t, supported by favorable metallurgical indications for flotation.
Reasoning: Verification sampling confirms high-grade silver (up to 991 g/t) and gold (up to 6.26 g/t) at surface, supporting the project's epithermal model.
Positive factors
- High-grade silver intercepts confirmed via NI 43-101 verification
- Favorable metallurgy (flotation amenability) noted
- Proximity to existing infrastructure
Negative factors
- No QA/QC (blanks/standards) inserted due to low sample count
Facts used in scoring: 5
Classification and evidence
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: Release mentions samples were bagged, labelled, and sealed, and analyzed by Certimin S.A., an ISO 9001-certified lab.
Evidence · text
“All samples were bagged, labelled, and sealed in the field using single-use security ties... analyzed by Certimin S.A., an ISO 9001–certified laboratory”
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: The author explicitly states no blanks, standards, or duplicates were inserted due to limited sample size.
Evidence · text
“No additional quality control samples (blanks, standards, or duplicates) were inserted due to the limited number of samples collected”
Extracted facts
Stored fact records: 5. Some facts used in scoring do not have a stored record.
Drill Results (5)
Fact 1Maria Norte · silverGrade: 991Grade Unit: g/tIntercept: 0.7 mView all detailsHide details
Identity
- Project
- Maria Norte
- Commodity
- silver
- Region
- peru
- Reported Region
- Peru
- Ticker
- RYO
Geometry
- Grade
- 991
- Grade Unit
- g/t
- Intercept
- 0.7 m
Classification
- Sample Type
- channel
QA/QC
- Laboratory
- Certimin S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-06T00:00:00.000Z
Reasoning: 991 g/t Ag is an exceptional grade for this deposit type.
Positive factors
- Exceptional silver grade
Evidence · text
“991 g/t silver from a 0.7-metre surface vein channel sample”
Fact 2Maria Norte · goldGrade: 6.263Grade Unit: g/tIntercept: 0.7 mView all detailsHide details
Identity
- Project
- Maria Norte
- Commodity
- gold
- Region
- peru
- Reported Region
- Peru
- Ticker
- RYO
Geometry
- Grade
- 6.263
- Grade Unit
- g/t
- Intercept
- 0.7 m
Classification
- Sample Type
- channel
QA/QC
- Laboratory
- Certimin S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-06T00:00:00.000Z
Reasoning: 6.26 g/t Au is a strong grade for an epithermal system.
Positive factors
- Strong gold grade
Evidence · table
“6.263”
Context: 0.7
Fact 3Maria Norte · silverGrade: 869Grade Unit: g/tIntercept: 0.5 mView all detailsHide details
Identity
- Project
- Maria Norte
- Commodity
- silver
- Region
- peru
- Reported Region
- Peru
- Ticker
- RYO
Geometry
- Grade
- 869
- Grade Unit
- g/t
- Intercept
- 0.5 m
Classification
- Sample Type
- channel
QA/QC
- Laboratory
- Certimin S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-06T00:00:00.000Z
Reasoning: 869 g/t Ag is a strong intercept.
Positive factors
- High silver grade
Evidence · text
“869 g/t silver , with associated lead and zinc, from a 0.5-metre surface vein channel sample”
Fact 4Maria Norte · silverGrade: 396Grade Unit: g/tView all detailsHide details
Identity
- Project
- Maria Norte
- Commodity
- silver
- Region
- peru
- Reported Region
- Peru
- Ticker
- RYO
Geometry
- Grade
- 396
- Grade Unit
- g/t
Classification
- Sample Type
- grab
QA/QC
- Laboratory
- Certimin S.A.
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-06T00:00:00.000Z
Reasoning: 396 g/t Ag in a waste dump grab sample confirms mineralization presence.
Positive factors
- Significant silver grade in waste
Evidence · text
“396 g/t silver from a historic waste dump grab sample”
Fact 5silverView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- RYO
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-06T00:00:00.000Z
Reasoning: The document mentions historical test work indicates amenability to flotation, but does not provide specific recovery numbers.
Positive factors
- Amenable to conventional flotation
Negative factors
- Historical data only
- No specific recovery percentage reported
Evidence · text
“Historic metallurgical test work reviewed by the Company indicates that mineralization at Maria Norte responds to conventional flotation methods.”
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.