# SONORO FILES UPDATED PRELIMINARY ECONOMIC ASSESSMENT  FOR THE CERRO CALICHE PROJECT

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/sonoro-files-updated-preliminary-economic-assessment-for-the-cerro-caliche-proje--59783d1d-49e6-4f7a-ae84-46a5b09eee57

Original source: https://finance.yahoo.com/sectors/energy/articles/sonoro-files-updated-preliminary-economic-120000127.html

Publisher: yahoo\_press

Original announcement: 2026-04-15T12:00:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Sonoro Gold Corp.

- Ticker: SGO

- Exchange: TSXV

- Region: Sonora, Mexico

- Primary commodity: Gold

- Secondary commodities: None reported

- Document categories: Resource update, Other

- Extracted: 2026-08-21 00:01:38 UTC

Narrative sentiment: 0.20 · Bullish

## Minestarters Atlas summary

Sonoro Gold Corp. has filed an updated Preliminary Economic Assessment \(PEA\) and Mineral Resource Estimate for the Cerro Caliche Gold Project in Sonora, Mexico. The report was prepared in accordance with NI 43-101 standards and has an effective date of December 4, 2025.

Reasoning: The company has filed an updated PEA and Mineral Resource Estimate, which is a standard de-risking milestone for a project, though specific grade/tonnage changes are not detailed in this announcement text.

- Positive factor: Updated PEA filing

- Positive factor: NI 43-101 compliant

Facts used in scoring: 0

## Classification and evidence

**PEA-Supporting**

Polarity: neutral

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

Why it applies: The announcement explicitly states the filing of an Updated Preliminary Economic Assessment \(PEA\).

Evidence · text

> Updated Mineral Resource Estimate and Preliminary Economic Assessment on the Cerro Caliche Gold Project

**NI 43-101 Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard.

Why it applies: The report was prepared in accordance with National Instrument 43-101 requirements.

Evidence · text

> prepared in accordance with the requirements of National Instrument 43-101

## Extracted facts

Stored fact records: 0. Some facts used in scoring do not have a stored record.

No stored fact records are available for this extraction.

## 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.