# Alta Copper Files NI 43-101 Technical Report Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/alta-copper-files-ni-43-101-technical-report--85bda5fd-9e54-448b-9511-3ed474825cdb Original source: https://money.tmx.com/en/quote/ATCU/news/4677055488977332/alta-copper-files-ni-43-101-technical-report Publisher: tmx Original announcement: 2024-06-11T20:36:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: Alta Copper Corp. - Ticker: ATCU - Exchange: TSX - Region: Northern Peru - Primary commodity: Copper - Secondary commodities: None reported - Document categories: Drill results, Economic study - Extracted: 2026-09-17 11:38:28 UTC Narrative sentiment: 0.60 · Bullish ## Minestarters Atlas summary Alta Copper Corp. has filed a NI 43-101 Technical Report and Preliminary Economic Assessment \(PEA\) for its 100% owned Cañariaco Copper Project in Northern Peru. The 2024 PEA highlights a large-scale porphyry copper project with projected annual production of 158,000 tonnes of copper in its first 10 years. Reasoning: The filing of a new Preliminary Economic Assessment \(PEA\) for a large-scale copper project represents a significant technical and economic milestone for the company. - Positive factor: Robust economic results from 2024 PEA - Positive factor: Large-scale porphyry copper project - Positive factor: Long-life operation with 158,000 tpa Cu production in first 10 years - Positive factor: Significant exploration upside in Norte, Sur, and Quebrada Verde Facts used in scoring: 3 ## Classification and evidence **PEA Only** Polarity: neutral Definition: Only Class 4 / Initial Assessment economics available. Not bankable. Why it applies: The document announces the filing of a Preliminary Economic Assessment \(PEA\). Evidence · text > technical report titled "Cañariaco Copper Project NI 43-101 Technical Report & Preliminary Economic Assessment". **Step-Out Extension** Polarity: positive Definition: Mineralization extended beyond the previously known limit. Why it applies: The company identifies opportunities to delineate additional resources and expand known zones through further drilling. Evidence · text > delineate additional mineral resources; support both an increase and/or expansion of known resources ## Extracted facts Stored fact records: 2. Some facts used in scoring do not have a stored record. ## Drill Results (2) ### 07-135 [Link to this fact](https://atlas-extractions.minestarters.com/news/alta-copper-files-ni-43-101-technical-report--85bda5fd-9e54-448b-9511-3ed474825cdb#fact-drill-facts-1) Cañariaco · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: 07-135 - Project: Cañariaco - Commodity: copper - Region: peru - Reported Region: peru - Ticker: ATCU #### Geometry - Grade: 0.55 - Grade Unit: % - Intercept: 10 m - From: 711 m - To: 721 m - Hole Depth: 721 m - Intercept Depth: 711 m #### Classification - Sample Type: drill - Group ID: 07-135:711-721 #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2007-01-01T00:00:00.000Z #### Dates - Event date: 2024-06-11T00:00:00.000Z Reasoning: Historical drill hole intercepts are mentioned to demonstrate depth potential. - Positive factor: Mineralization at depth Evidence · text > DDH 07-135 bottomed in 0.55% Cu \(over last 10 metres\) at 721 metres #### 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 ### 07-141 [Link to this fact](https://atlas-extractions.minestarters.com/news/alta-copper-files-ni-43-101-technical-report--85bda5fd-9e54-448b-9511-3ed474825cdb#fact-drill-facts-2) Cañariaco · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: 07-141 - Project: Cañariaco - Commodity: copper - Region: peru - Reported Region: peru - Ticker: ATCU #### Geometry - Grade: 0.38 - Grade Unit: % - Intercept: 10 m - From: 760 m - To: 770 m - Hole Depth: 770 m - Intercept Depth: 760 m #### Classification - Sample Type: drill - Group ID: 07-141:760-770 #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2007-01-01T00:00:00.000Z #### Dates - Event date: 2024-06-11T00:00:00.000Z Reasoning: Historical drill hole intercepts are mentioned to demonstrate depth potential. - Positive factor: Mineralization at depth Evidence · text > DDH 07-141 bottomed in 0.38% Cu \(over last 10 metres\) at 770 metres #### 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 ## 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.