# Canstar Trenching Reveals up to 5% Copper, +30% Zinc in Early Bedrock Spot Analysis, Reveals Semi-Massive Sulphide in Footwall Mineralization Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/canstar-trenching-reveals-up-to-5-copper-30-zinc-in-early-bedrock-spot-analysis--893b6abb-2ca4-40ae-98d9-d780b30f5480 Original source: https://money.tmx.com/en/quote/ROX/news/7369738703126539/canstar-trenching-reveals-up-to-5-copper-30-zinc-in-early-bedrock-spot-analysis- Publisher: tmx Original announcement: 2025-10-16T11:25:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: Canstar Resources Inc. - Ticker: ROX - Exchange: TSX - Region: Newfoundland - Primary commodity: Zinc - Secondary commodities: Copper, Lead, Gold, Silver - Document categories: Drill results, Agreement transaction - Extracted: 2026-09-18 19:02:40 UTC Narrative sentiment: 0.70 · Bullish ## Minestarters Atlas summary Canstar Resources reported encouraging trenching results at the Mary March project in Newfoundland, with pXRF spot analyses showing up to 30% zinc, 4% copper, and 3% lead. The trenching exposed semi-massive sulphides and suggests an up-dip extension of historical mineralization to the surface. Additionally, the company entered into option agreements to acquire 29 mineral claims adjoining the project. Reasoning: The announcement reports encouraging high-grade pXRF spot results from trenching that suggest an extension of known VMS mineralization, alongside a strategic option agreement for adjacent claims. - Positive factor: High-grade pXRF spot results \(+30% Zn\) - Positive factor: Identification of semi-massive sulphides - Positive factor: Extension of known mineralization to surface - Positive factor: Strategic acquisition of adjoining claims - Negative factor: Results are preliminary pXRF spot analyses, not certified assays - Negative factor: Trenching is early-stage bedrock analysis Facts used in scoring: 10 ## Classification and evidence **Step-Out Extension** Polarity: positive Definition: Mineralization extended beyond the previously known limit. Why it applies: Trenching potentially represents the up-dip extension of mineralization first identified in 1999/2000. Evidence · text > potentially represent the up-dip extension of mineralization first identified in 1999/2000 **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: The project is located in the historic Buchans Mining District, a prolific VMS camp. Evidence · text > located in Newfoundland's historic Buchans Mining District **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: The release names a Qualified Person \(Bob Patey, P.Geo\) and mentions the use of certified reference materials for pXRF calibration. Evidence · text > Qualified Person Bob Patey, P.Geo... has reviewed and approved the scientific and technical information ## Extracted facts Stored fact records: 10. Some facts used in scoring do not have a stored record. ## Drill Results (10) ### MM25-TR-05 [Link to this fact](https://atlas-extractions.minestarters.com/news/canstar-trenching-reveals-up-to-5-copper-30-zinc-in-early-bedrock-spot-analysis--893b6abb-2ca4-40ae-98d9-d780b30f5480#fact-drill-facts-0) Mary March · zinc #### Identity - Hole ID: MM25-TR-05 - Project: Mary March - Commodity: zinc - Region: canada\_nl - Reported Region: canada\_nl - Ticker: ROX #### Geometry - Grade: 31.57 - Grade Unit: % #### Classification - Sample Type: surface #### QA/QC - QA/QC Disclosed: Yes - QP Signed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-10-16T00:00:00.000Z Reasoning: High grade zinc reading from pXRF spot analysis. - Positive factor: High grade zinc reading - Negative factor: pXRF screening only Evidence · text > readings ranging from 16.9% to 31.57% zinc #### 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 ### MM25-TR-05 [Link to this fact](https://atlas-extractions.minestarters.com/news/canstar-trenching-reveals-up-to-5-copper-30-zinc-in-early-bedrock-spot-analysis--893b6abb-2ca4-40ae-98d9-d780b30f5480#fact-drill-facts-1) Mary March · lead #### Identity - Hole ID: MM25-TR-05 - Project: Mary March - Commodity: lead - Region: canada\_nl - Reported Region: canada\_nl - Ticker: ROX #### Geometry - Grade: 3.08 - Grade Unit: % #### Classification - Sample Type: surface #### QA/QC - QA/QC Disclosed: Yes - QP Signed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-10-16T00:00:00.000Z Reasoning: Lead reading from pXRF spot analysis. - Negative factor: pXRF screening only Evidence · text > 0.17% to 3.08% lead #### 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 ### MM25-TR-05 [Link to this fact](https://atlas-extractions.minestarters.com/news/canstar-trenching-reveals-up-to-5-copper-30-zinc-in-early-bedrock-spot-analysis--893b6abb-2ca4-40ae-98d9-d780b30f5480#fact-drill-facts-2) Mary March · copper #### Identity - Hole ID: MM25-TR-05 - Project: Mary March - Commodity: copper - Region: canada\_nl - Reported Region: canada\_nl - Ticker: ROX #### Geometry - Grade: 4.28 - Grade Unit: % #### Classification - Sample Type: surface #### QA/QC - QA/QC Disclosed: Yes - QP Signed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-10-16T00:00:00.000Z Reasoning: Copper reading from pXRF spot analysis. - Positive factor: High grade copper reading - Negative factor: pXRF screening only Evidence · text > 0.81% to 4.28% copper #### 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 ### MM-294-03 [Link to this fact](https://atlas-extractions.minestarters.com/news/canstar-trenching-reveals-up-to-5-copper-30-zinc-in-early-bedrock-spot-analysis--893b6abb-2ca4-40ae-98d9-d780b30f5480#fact-drill-facts-3) Mary March · zinc Historical result Needs review: historical\_restatement #### Identity - Hole ID: MM-294-03 - Project: Mary March - Commodity: zinc - Region: canada\_nl - Reported Region: canada\_nl - Ticker: ROX #### Geometry - Grade: 3.02 - Grade Unit: % - Intercept: 20.6 m #### Classification - Sample Type: drill #### QA/QC - QA/QC Disclosed: Yes - QP Signed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-10-16T00:00:00.000Z Reasoning: Historical drill hole intercept. Evidence · text > intercepted 20.6 m grading 3.02% zinc #### 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### MM-294-03 [Link to this fact](https://atlas-extractions.minestarters.com/news/canstar-trenching-reveals-up-to-5-copper-30-zinc-in-early-bedrock-spot-analysis--893b6abb-2ca4-40ae-98d9-d780b30f5480#fact-drill-facts-4) Mary March · lead Historical result Needs review: historical\_restatement #### Identity - Hole ID: MM-294-03 - Project: Mary March - Commodity: lead - Region: canada\_nl - Reported Region: canada\_nl - Ticker: ROX #### Geometry - Grade: 1.08 - Grade Unit: % - Intercept: 20.6 m #### Classification - Sample Type: drill #### QA/QC - QA/QC Disclosed: Yes - QP Signed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-10-16T00:00:00.000Z Reasoning: Historical drill hole intercept. Evidence · text > and 1.08% lead #### 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### MM-294-03 [Link to this fact](https://atlas-extractions.minestarters.com/news/canstar-trenching-reveals-up-to-5-copper-30-zinc-in-early-bedrock-spot-analysis--893b6abb-2ca4-40ae-98d9-d780b30f5480#fact-drill-facts-5) Mary March · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: MM-294-03 - Project: Mary March - Commodity: gold - Region: canada\_nl - Reported Region: canada\_nl - Ticker: ROX #### Geometry - Grade: 4.2 - Grade Unit: g/t - Intercept: 9.63 m #### Classification - Sample Type: drill #### QA/QC - QA/QC Disclosed: Yes - QP Signed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-10-16T00:00:00.000Z Reasoning: Historical drill hole intercept. Evidence · text > 9.63 metres grading 4.2 g/t gold #### 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### MM-294-03 [Link to this fact](https://atlas-extractions.minestarters.com/news/canstar-trenching-reveals-up-to-5-copper-30-zinc-in-early-bedrock-spot-analysis--893b6abb-2ca4-40ae-98d9-d780b30f5480#fact-drill-facts-6) Mary March · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: MM-294-03 - Project: Mary March - Commodity: silver - Region: canada\_nl - Reported Region: canada\_nl - Ticker: ROX #### Geometry - Grade: 122 - Grade Unit: g/t - Intercept: 9.63 m #### Classification - Sample Type: drill #### QA/QC - QA/QC Disclosed: Yes - QP Signed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-10-16T00:00:00.000Z Reasoning: Historical drill hole intercept. Evidence · text > 122 g/t silver #### 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### MM-294-03 [Link to this fact](https://atlas-extractions.minestarters.com/news/canstar-trenching-reveals-up-to-5-copper-30-zinc-in-early-bedrock-spot-analysis--893b6abb-2ca4-40ae-98d9-d780b30f5480#fact-drill-facts-7) Mary March · zinc Historical result Needs review: historical\_restatement #### Identity - Hole ID: MM-294-03 - Project: Mary March - Commodity: zinc - Region: canada\_nl - Reported Region: canada\_nl - Ticker: ROX #### Geometry - Grade: 10.1 - Grade Unit: % - Intercept: 9.63 m #### Classification - Sample Type: drill #### QA/QC - QA/QC Disclosed: Yes - QP Signed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-10-16T00:00:00.000Z Reasoning: Historical drill hole intercept. Evidence · text > 10.1% zinc #### 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### MM-294-03 [Link to this fact](https://atlas-extractions.minestarters.com/news/canstar-trenching-reveals-up-to-5-copper-30-zinc-in-early-bedrock-spot-analysis--893b6abb-2ca4-40ae-98d9-d780b30f5480#fact-drill-facts-8) Mary March · lead Historical result Needs review: historical\_restatement #### Identity - Hole ID: MM-294-03 - Project: Mary March - Commodity: lead - Region: canada\_nl - Reported Region: canada\_nl - Ticker: ROX #### Geometry - Grade: 1.8 - Grade Unit: % - Intercept: 9.63 m #### Classification - Sample Type: drill #### QA/QC - QA/QC Disclosed: Yes - QP Signed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-10-16T00:00:00.000Z Reasoning: Historical drill hole intercept. Evidence · text > 1.8% lead #### 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### MM-294-03 [Link to this fact](https://atlas-extractions.minestarters.com/news/canstar-trenching-reveals-up-to-5-copper-30-zinc-in-early-bedrock-spot-analysis--893b6abb-2ca4-40ae-98d9-d780b30f5480#fact-drill-facts-9) Mary March · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: MM-294-03 - Project: Mary March - Commodity: copper - Region: canada\_nl - Reported Region: canada\_nl - Ticker: ROX #### Geometry - Grade: 0.64 - Grade Unit: % - Intercept: 9.63 m #### Classification - Sample Type: drill #### QA/QC - QA/QC Disclosed: Yes - QP Signed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-10-16T00:00:00.000Z Reasoning: Historical drill hole intercept. Evidence · text > 0.64% copper #### 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 **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ## 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.