# White Cliff reveals fresh copper front at Rae’s Bornite Hills Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/white-cliff-reveals-fresh-copper-front-at-rae-s-bornite-hills--4687476f-feb4-44f2-bb41-3cb9b4647400 Original source: https://stockhead.com.au/resources/white-cliff-reveals-fresh-copper-front-at-raes-bornite-hills/ Publisher: stockhead Original announcement: 2026-09-21T01:48:58.000Z Analysis by Minestarters Atlas Atlas analysis published: 2026-09-21T03:03:26.495Z Atlas analysis updated: 2026-09-21T03:03:26.495Z - Company: White Cliff Minerals - Ticker: WCN - Exchange: Unavailable - Region: northern Canada - Primary commodity: Copper - Secondary commodities: None reported - Document categories: Drill results, Other - Extracted: 2026-09-21 03:03:27 UTC Narrative sentiment: 0.60 · Bullish ## Minestarters Atlas summary White Cliff Minerals has reported visual copper mineralisation, including semi-massive bornite, at its new Bornite Hills target within the Rae project in northern Canada. While official assays are expected in October, the drilling marks the first exploration at this specific target, which remains open along strike and at depth. Reasoning: First-ever drilling at Bornite Hills has visually confirmed copper mineralisation \(bornite/chalcopyrite\), though official assay results are not yet available to confirm grades. - Positive factor: visual copper mineralisation identified - Positive factor: semi-massive bornite observed - Positive factor: first-ever drilling at target - Positive factor: system open along strike and at depth - Negative factor: assays still pending - Negative factor: visual assessment only Low confidence — this extraction should be reviewed alongside the original source. Facts used in scoring: 4 ## Classification and evidence **Step-Out Extension** Polarity: positive Definition: Mineralization extended beyond the previously known limit. Why it applies: First-ever drilling at Bornite Hills tracing mineralisation beneath historical surface showing. Evidence · text > first-ever drilling at Bornite Hills tracing mineralisation beneath a historical surface showing **No QA/QC Disclosure** Polarity: negative Definition: 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 release mentions samples were dispatched but does not disclose specific QA/QC protocols or lab certification. Evidence · text > samples dispatched for laboratory testing and official assays expected in October ## Extracted facts Stored fact records: 4. Some facts used in scoring do not have a stored record. ## Drill Results (4) ### Fact 1 [Link to this fact](https://atlas-staging.minestarters.com/news/white-cliff-reveals-fresh-copper-front-at-rae-s-bornite-hills--4687476f-feb4-44f2-bb41-3cb9b4647400#fact-drill-facts-0) Bornite Hills · copper Needs review: drill\_no\_hole\_id #### Identity - Project: Bornite Hills - Commodity: copper - Region: canada - Reported Region: northern Canada - Ticker: WCN #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Mining Method: unknown #### Location - Location: Bornite Hills - Loc. Source: document #### QA/QC - QA/QC Disclosed: No - Lab Certified: No - QP Signed: No #### Deleterious - Deleterious Flag: No #### Metal Equivalent - Assumptions Disclosed: No #### Compositing - Dilution Disclosed: No #### Review - Needs Review: Yes - Review Reason: drill\_no\_hole\_id - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-21T00:00:00.000Z Reasoning: Visual identification of semi-massive bornite is a strong exploration signal, but lacks assay confirmation. - Positive factor: visual copper mineralisation - Positive factor: semi-massive bornite - Negative factor: assays pending Evidence · text > White Cliff Minerals has unearthed visual copper at Bornite Hills, with assays expected in October. #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 ### Fact 2 [Link to this fact](https://atlas-staging.minestarters.com/news/white-cliff-reveals-fresh-copper-front-at-rae-s-bornite-hills--4687476f-feb4-44f2-bb41-3cb9b4647400#fact-drill-facts-1) Rae · copper Historical result Needs review: historical\_restatement #### Identity - Project: Rae - Commodity: copper - Region: canada - Reported Region: northern Canada - Ticker: WCN #### Geometry - Grade: 46.99 - Grade Unit: % - Intercept: 3.66 m #### Classification - Sample Type: surface #### QA/QC - QA/QC Disclosed: No - Lab Certified: No - QP Signed: No #### Deleterious - Deleterious Flag: No #### Metal Equivalent - Assumptions Disclosed: No #### Compositing - Dilution Disclosed: No #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2026-09-21T00:00:00.000Z Reasoning: Historical surface occurrence with very high copper grade. - Positive factor: high grade Evidence · text > historical surface occurrence that returned 3.66m at 46.99% copper #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not 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 ### Fact 3 [Link to this fact](https://atlas-staging.minestarters.com/news/white-cliff-reveals-fresh-copper-front-at-rae-s-bornite-hills--4687476f-feb4-44f2-bb41-3cb9b4647400#fact-drill-facts-2) Rae · copper Needs review: drill\_no\_hole\_id #### Identity - Project: Rae - Commodity: copper - Region: canada - Reported Region: canada - Ticker: WCN #### Geometry - Grade: 0.35 - Grade Unit: % - Intercept: 1.14 m - From: 238.1 m - To: 239.24 m - Intercept Depth: 238.1 m #### Classification - Sample Type: drill - Group ID: Rae:238.1-239.24 #### QA/QC - QA/QC Disclosed: Yes - QP Signed: No - QA/QC Methods: standards, blanks #### Deleterious - Deleterious Flag: No #### Metal Equivalent - Assumptions Disclosed: No #### Review - Needs Review: Yes - Review Reason: drill\_no\_hole\_id - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-21T00:00:00.000Z Reasoning: Low grade intercept used to identify regional horizon. - Positive factor: identifies regional copper-bearing horizon - Negative factor: low grade Evidence · text > 1.14m at 0.35% copper from 238.1m #### 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 ### Fact 4 [Link to this fact](https://atlas-staging.minestarters.com/news/white-cliff-reveals-fresh-copper-front-at-rae-s-bornite-hills--4687476f-feb4-44f2-bb41-3cb9b4647400#fact-drill-facts-3) Rae · copper Needs review: drill\_no\_hole\_id #### Identity - Project: Rae - Commodity: copper - Region: canada - Reported Region: canada - Ticker: WCN #### Geometry - Grade: 0.19 - Grade Unit: % - Intercept: 4.46 m - From: 204.7 m - To: 209.16 m - Intercept Depth: 204.7 m #### Classification - Sample Type: drill - Group ID: Rae:204.7-209.16 #### QA/QC - QA/QC Disclosed: Yes - QP Signed: No - QA/QC Methods: standards, blanks #### Deleterious - Deleterious Flag: No #### Metal Equivalent - Assumptions Disclosed: No #### Review - Needs Review: Yes - Review Reason: drill\_no\_hole\_id - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-21T00:00:00.000Z Reasoning: Low grade intercept used to identify regional horizon. - Positive factor: identifies regional copper-bearing horizon - Negative factor: low grade Evidence · text > 4.46m at 0.19% from 204.7m #### 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 ## 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.