# Redcastle Resources opens high-grade Queen Alexandra pit expansion Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/redcastle-resources-opens-high-grade-queen-alexandra-pit-expansion--fc05ba4b-08db-4a4a-915c-c8b9636a2a4f Original source: https://stockhead.com.au/resources/redcastle-resources-opens-high-grade-queen-alexandra-pit-expansion/ Publisher: stockhead Original announcement: 2026-09-07T01:20:02.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: Redcastle Resources - Ticker: RC1 - Exchange: Unavailable - Region: Western Australia - Primary commodity: Gold - Secondary commodities: None reported - Document categories: Drill results, Permitting - Extracted: 2026-09-07 03:01:50 UTC Narrative sentiment: 0.80 · Bullish ## Minestarters Atlas summary Redcastle Resources reported high-grade gold grade-control results from its Queen Alexandra project in WA, including intercepts up to 67.7 g/t Au. The results, combined with the recent grant of mining lease M39/1171, support the potential for a larger pit expansion. Reasoning: High-grade grade-control intercepts and a new mining lease grant significantly de-risk and expand the potential scale of the Queen Alexandra pit. - Positive factor: high-grade gold intercepts - Positive factor: expansion of mining lease M39/1171 - Positive factor: improved grade distribution definition - Positive factor: support for pit enlargement - Negative factor: field operations currently suspended Facts used in scoring: 6 ## Classification and evidence **Bonanza Intercept** Polarity: positive Definition: Exceptionally high-grade zone, well above the deposit-type norm. Why it applies: Intercepts of 67.7 g/t, 46.9 g/t, and 36.6 g/t significantly exceed the exceptional threshold for gold. Evidence · text > including 1m at 67.7g/t Au **Mill Route** Polarity: neutral Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\). Why it applies: the document describes a mill\_cil route \("CIL"\) ## Extracted facts Stored fact records: 6. Some facts used in scoring do not have a stored record. ## Drill Results (6) ### Fact 1 [Link to this fact](https://atlas-staging.minestarters.com/news/redcastle-resources-opens-high-grade-queen-alexandra-pit-expansion--fc05ba4b-08db-4a4a-915c-c8b9636a2a4f#fact-drill-facts-0) Queen Alexandra · gold Needs review: drill\_no\_hole\_id #### Identity - Project: Queen Alexandra - Commodity: gold - Region: australia\_wa - Reported Region: australia\_wa - Ticker: RC1 #### Geometry - Grade: 37.52 - Grade Unit: g/t - Intercept: 2 m - From: 37 m - To: 39 m - Intercept Depth: 37 m #### Classification - Sample Type: drill - Group ID: Queen\_Alexandra:37-39 - Mining Method: open\_pit #### Location - Location: Queen Alexandra - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, blanks #### Deleterious - Deleterious Flag: No #### Review - Needs Review: Yes - Review Reason: drill\_no\_hole\_id - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-07T00:00:00.000Z Reasoning: 37.52 g/t over 2m is a strong high-grade intercept for grade control. - Positive factor: high grade intercept #### 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 2 [Link to this fact](https://atlas-staging.minestarters.com/news/redcastle-resources-opens-high-grade-queen-alexandra-pit-expansion--fc05ba4b-08db-4a4a-915c-c8b9636a2a4f#fact-drill-facts-1) Queen Alexandra · gold Needs review: drill\_no\_hole\_id #### Identity - Project: Queen Alexandra - Commodity: gold - Region: australia\_wa - Reported Region: australia\_wa - Ticker: RC1 #### Geometry - Grade: 67.7 - Grade Unit: g/t - Intercept: 1 m #### Classification - Sample Type: drill - Mining Method: open\_pit #### Location - Location: Queen Alexandra - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, blanks #### Deleterious - Deleterious Flag: No #### Review - Needs Review: Yes - Review Reason: drill\_no\_hole\_id - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-07T00:00:00.000Z Reasoning: 67.7 g/t is an exceptionally high grade intercept. - Positive factor: bonanza grade #### 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 3 [Link to this fact](https://atlas-staging.minestarters.com/news/redcastle-resources-opens-high-grade-queen-alexandra-pit-expansion--fc05ba4b-08db-4a4a-915c-c8b9636a2a4f#fact-drill-facts-2) Queen Alexandra · gold Needs review: drill\_no\_hole\_id #### Identity - Project: Queen Alexandra - Commodity: gold - Region: australia\_wa - Reported Region: australia\_wa - Ticker: RC1 #### Geometry - Grade: 12.47 - Grade Unit: g/t - Intercept: 5 m - From: 27 m - To: 32 m - Intercept Depth: 27 m #### Classification - Sample Type: drill - Group ID: Queen\_Alexandra:27-32 - Mining Method: open\_pit #### Location - Location: Queen Alexandra - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, blanks #### Deleterious - Deleterious Flag: No #### Review - Needs Review: Yes - Review Reason: drill\_no\_hole\_id - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-07T00:00:00.000Z Reasoning: 12.47 g/t over 5m is a very strong intercept. - Positive factor: strong grade and width #### 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/redcastle-resources-opens-high-grade-queen-alexandra-pit-expansion--fc05ba4b-08db-4a4a-915c-c8b9636a2a4f#fact-drill-facts-3) Queen Alexandra · gold Needs review: drill\_no\_hole\_id #### Identity - Project: Queen Alexandra - Commodity: gold - Region: australia\_wa - Reported Region: australia\_wa - Ticker: RC1 #### Geometry - Grade: 46.9 - Grade Unit: g/t - Intercept: 1 m #### Classification - Sample Type: drill - Mining Method: open\_pit #### Location - Location: Queen Alexandra - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, blanks #### Deleterious - Deleterious Flag: No #### Review - Needs Review: Yes - Review Reason: drill\_no\_hole\_id - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-07T00:00:00.000Z Reasoning: 46.9 g/t is an exceptionally high grade intercept. - Positive factor: bonanza grade #### 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 5 [Link to this fact](https://atlas-staging.minestarters.com/news/redcastle-resources-opens-high-grade-queen-alexandra-pit-expansion--fc05ba4b-08db-4a4a-915c-c8b9636a2a4f#fact-drill-facts-4) Queen Alexandra · gold Needs review: drill\_no\_hole\_id #### Identity - Project: Queen Alexandra - Commodity: gold - Region: australia\_wa - Reported Region: australia\_wa - Ticker: RC1 #### Geometry - Grade: 8.21 - Grade Unit: g/t - Intercept: 6 m - From: 28 m - To: 34 m - Intercept Depth: 28 m #### Classification - Sample Type: drill - Group ID: Queen\_Alexandra:28-34 - Mining Method: open\_pit #### Location - Location: Queen Alexandra - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, blanks #### Deleterious - Deleterious Flag: No #### Review - Needs Review: Yes - Review Reason: drill\_no\_hole\_id - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-07T00:00:00.000Z Reasoning: 8.21 g/t over 6m is a strong intercept. - Positive factor: strong grade and width #### 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 6 [Link to this fact](https://atlas-staging.minestarters.com/news/redcastle-resources-opens-high-grade-queen-alexandra-pit-expansion--fc05ba4b-08db-4a4a-915c-c8b9636a2a4f#fact-drill-facts-5) Queen Alexandra · gold Needs review: drill\_no\_hole\_id #### Identity - Project: Queen Alexandra - Commodity: gold - Region: australia\_wa - Reported Region: australia\_wa - Ticker: RC1 #### Geometry - Grade: 36.6 - Grade Unit: g/t - Intercept: 1 m #### Classification - Sample Type: drill - Mining Method: open\_pit #### Location - Location: Queen Alexandra - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, blanks #### Deleterious - Deleterious Flag: No #### Review - Needs Review: Yes - Review Reason: drill\_no\_hole\_id - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-07T00:00:00.000Z Reasoning: 36.6 g/t is an exceptionally high grade intercept. - Positive factor: bonanza grade #### 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.