# Alta Copper Files NI 43-101 Technical Report

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/alta-copper-files-ni-43-101-technical-report--2812b31e-acff-4a12-b8b4-1c5f0c9f6232

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: Resource update, Other

- Extracted: 2026-08-24 23:07:34 UTC

Narrative sentiment: 0.60 · Bullish

## Minestarters Atlas summary

Alta Copper has filed a NI 43-101 Technical Report and Preliminary Economic Assessment \(PEA\) for its Cañariaco Copper Project in Peru. The report outlines a large-scale porphyry copper operation with projected annual production of 158,000 tonnes of copper in its first 10 years.

Reasoning: The filing of a PEA for a world-class porphyry project represents a major technical milestone, providing a formal economic baseline for the Cañariaco Project.

- Positive factor: Submission of NI 43-101 Technical Report and PEA

- Positive factor: Large scale copper production projected \(158ktpa\)

- Positive factor: Identification of deep mineralization potential

- Positive factor: Multiple expansion opportunities identified

Facts used in scoring: 2

## Classification and evidence

**PEA-Supporting**

Polarity: neutral

Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: The document announces the filing of a Preliminary Economic Assessment \(PEA\) for the Cañariaco project.

Evidence · text

> technical report titled "Cañariaco Copper Project NI 43-101 Technical Report & Preliminary Economic Assessment"

**QA/QC Disclosed**

Polarity: positive

Story-specific tag

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: The report is a NI 43-101 compliant technical report signed off by multiple independent Qualified Persons.

Evidence · text

> The qualified persons for the 2024 PEA and this News Release are identified below

## Extracted facts

Stored fact records: 2. Some facts used in scoring do not have a stored record.

## Resource Estimates (2)

### Fact 1

[Link to this fact](https://atlas-staging.minestarters.com/news/alta-copper-files-ni-43-101-technical-report--2812b31e-acff-4a12-b8b4-1c5f0c9f6232#fact-resource-facts-0)

Cañariaco · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Cañariaco
- Commodity: copper
- Region: peru
- Reported Region: Northern Peru
- Ticker: ATCU

#### Resource Data

- Grade: 0.55
- Grade Unit: %

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2007-01-01T00:00:00.000Z

#### Dates

- Event date: 2024-06-11T00:00:00.000Z

Reasoning: Intercept represents bottom of hole mineralization at depth.

- Positive factor: Mineralization at depth

Evidence · text

> DDH 07-135 bottomed in 0.55% Cu \(over last 10 metres\) at 721 metres

### Fact 2

[Link to this fact](https://atlas-staging.minestarters.com/news/alta-copper-files-ni-43-101-technical-report--2812b31e-acff-4a12-b8b4-1c5f0c9f6232#fact-resource-facts-1)

Cañariaco · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Cañariaco
- Commodity: copper
- Region: peru
- Reported Region: Northern Peru
- Ticker: ATCU

#### Resource Data

- Grade: 0.38
- Grade Unit: %

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2007-01-01T00:00:00.000Z

#### Dates

- Event date: 2024-06-11T00:00:00.000Z

Reasoning: Intercept represents bottom of hole mineralization at depth.

- Positive factor: Mineralization at depth

Evidence · text

> DDH 07-141 bottomed in 0.38% Cu \(over last 10 metres\) at 770 metres

## 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.