# 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 Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/rio-silver-highlights-high-grade-silver-up-to-6-26-g-t-au-and-991-g-t-ag-28-9-oz--168e70f7-fdfe-4db4-844f-a1e2224b272b Original source: https://money.tmx.com/en/quote/RYO/news/5414459072026036/rio-silver-highlights-high-grade-silver-up-to-6-26-g-t-au-and-991-g-t-ag-28-9-oz Publisher: tmx Original announcement: 2026-01-06T12:30:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - 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: 2026-09-12 23:09:23 UTC Narrative sentiment: 0.70 · Bullish ## Minestarters Atlas 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 from surface vein outcrops and waste material. The company also highlighted favorable metallurgical characteristics and proximity to existing infrastructure to support near-term development. 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 potential and near-term development path. - Positive factor: High-grade silver intercepts confirmed via NI 43-101 verification - Positive factor: Favorable metallurgy \(flotation amenability\) noted - Positive factor: Proximity to existing infrastructure - Positive factor: Epithermal vein system characteristics - Negative factor: No QA/QC \(blanks, standards, duplicates\) inserted due to limited sample size - Negative factor: Sampling is surface-based \(grab/chip\) rather than deep drilling Facts used in scoring: 5 ## Classification and evidence **QA/QC Disclosed** Polarity: positive Definition: 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 an ISO 9001-certified laboratory. Evidence · text > All samples were bagged, labelled, and sealed in the field using single-use security ties **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: The project is positioned within a renowned silver district \(Huachocolpa District\) known for long-life production. Evidence · text > These are good grades in a district known for long-life silver production **Mill Route** Polarity: neutral Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\). Why it applies: the document describes a flotation route \("flotation"\) **Single Domain Only** Polarity: negative Definition: Testing limited to one composite or domain — representativeness not established. Why it applies: only one composite was tested ## Extracted facts Stored fact records: 5. Some facts used in scoring do not have a stored record. ## Drill Results (4) ### Fact 1 [Link to this fact](https://atlas-extractions.minestarters.com/news/rio-silver-highlights-high-grade-silver-up-to-6-26-g-t-au-and-991-g-t-ag-28-9-oz--168e70f7-fdfe-4db4-844f-a1e2224b272b#fact-drill-facts-0) Maria Norte · silver #### 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 - Deposit Type: epithermal - Program: exploration - Sample Type: channel - Mining Method: underground #### Location - Location: Outcrop - Loc. Source: document #### QA/QC - Laboratory: Certimin S.A. - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes #### Deleterious - Deleterious Flag: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-01-06T00:00:00.000Z Reasoning: 991 g/t Ag over 0.7m is a very high-grade silver intercept for an epithermal system. - Positive factor: Exceptional silver grade - Negative factor: Surface sample only Evidence · text > 991 g/t silver from a 0.7-metre surface vein channel sample #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "Established Infrastructure: Road access and operating processing facilities are located approximately 11 kilometers from" ### Fact 2 [Link to this fact](https://atlas-extractions.minestarters.com/news/rio-silver-highlights-high-grade-silver-up-to-6-26-g-t-au-and-991-g-t-ag-28-9-oz--168e70f7-fdfe-4db4-844f-a1e2224b272b#fact-drill-facts-1) Maria Norte · gold #### 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 - Deposit Type: epithermal - Program: exploration - Sample Type: channel - Group ID: null:0-0.7 - Mining Method: underground #### Location - Location: Outcrop - Loc. Source: document #### QA/QC - Laboratory: Certimin S.A. - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes #### Deleterious - Deleterious Flag: No #### 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 factor: Strong gold grade Evidence · table > 6.263 Context: 0.7 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "Established Infrastructure: Road access and operating processing facilities are located approximately 11 kilometers from" ### Fact 3 [Link to this fact](https://atlas-extractions.minestarters.com/news/rio-silver-highlights-high-grade-silver-up-to-6-26-g-t-au-and-991-g-t-ag-28-9-oz--168e70f7-fdfe-4db4-844f-a1e2224b272b#fact-drill-facts-2) Maria Norte · silver #### 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 - Deposit Type: epithermal - Program: exploration - Sample Type: channel - Group ID: null:0-0.5 - Mining Method: underground #### Location - Location: Outcrop - Loc. Source: document #### QA/QC - Laboratory: Certimin S.A. - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes #### Deleterious - Deleterious Flag: No #### 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 high-grade intercept. - Positive factor: High silver grade Evidence · text > 869 g/t silver , with associated lead and zinc, from a 0.5-metre surface vein channel sample #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "Established Infrastructure: Road access and operating processing facilities are located approximately 11 kilometers from" ### Fact 4 [Link to this fact](https://atlas-extractions.minestarters.com/news/rio-silver-highlights-high-grade-silver-up-to-6-26-g-t-au-and-991-g-t-ag-28-9-oz--168e70f7-fdfe-4db4-844f-a1e2224b272b#fact-drill-facts-3) Maria Norte · silver #### Identity - Project: Maria Norte - Commodity: silver - Region: peru - Reported Region: Peru - Ticker: RYO #### Geometry - Grade: 396 - Grade Unit: g/t #### Classification - Deposit Type: epithermal - Program: exploration - Sample Type: surface - Mining Method: underground #### Location - Location: Waste dump - Loc. Source: document #### QA/QC - Laboratory: Certimin S.A. - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes #### Deleterious - Deleterious Flag: No #### 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 factor: High silver grade in waste Evidence · text > 396 g/t silver from a historic waste dump grab sample #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: proximity is offered as the value premise: "Established Infrastructure: Road access and operating processing facilities are located approximately 11 kilometers from" ## Metallurgical Results (1) ### Fact 1 [Link to this fact](https://atlas-extractions.minestarters.com/news/rio-silver-highlights-high-grade-silver-up-to-6-26-g-t-au-and-991-g-t-ag-28-9-oz--168e70f7-fdfe-4db4-844f-a1e2224b272b#fact-metallurgical-facts-4) Maria Norte · silver #### Identity - Project: Maria Norte - Commodity: silver - Region: peru - Reported Region: Peru - Ticker: RYO #### Test Work - Processing Route: flotation - Sample: Historic metallurgical test work reviewed by the Company #### Recovery - Recovery Basis: unspecified #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-01-06T00:00:00.000Z Reasoning: Historic test work indicates mineralization responds to conventional flotation, which is a positive indicator for processing. - Positive factor: Amenable to conventional flotation - Negative factor: Historic test work, not recent Evidence · text > Historic metallurgical test work reviewed by the Company indicates that mineralization at Maria Norte responds to conventional flotation methods. #### Tags used in scoring **Mill Route** Polarity: neutral Definition: 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.