# Pacific Bay Minerals Ltd Files Technical Report and Signs Extension on Letter of Intent to Acquire Pereira-Velho Gold Property in Alagoas State, Brazil Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/pacific-bay-minerals-ltd-files-technical-report-and-signs-extension-on-letter-of--2b5e0985-c995-4216-9e19-3586a67642d8 Original source: https://money.tmx.com/en/quote/PBM/news/7529902745947473/pacific-bay-minerals-ltd-files-technical-report-and-signs-extension-on-letter-of Publisher: tmx Original announcement: 2025-05-29T12:30:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: Pacific Bay Minerals Ltd - Ticker: PBM - Exchange: TSX - Region: Alagoas State, Brazil - Primary commodity: Gold - Secondary commodities: Copper - Document categories: Resource update, Agreement transaction, Metallurgy - Extracted: 2026-09-18 15:17:56 UTC Narrative sentiment: 0.40 · Bullish ## Minestarters Atlas summary Pacific Bay Minerals Ltd has signed an extension to its Letter of Intent to acquire 100% of the Pereira-Velho gold project in Brazil and filed a related NI 43-101 technical report. The report includes historical resource estimates from 2023 and preliminary metallurgical results showing high recovery potential for oxide ore via heap leach. Reasoning: The announcement combines a strategic acquisition move \(LOI extension\) with the release of a technical report containing historical resource data and preliminary metallurgical results. While the acquisition is positive, the resource data is explicitly flagged as historical and unverified under NI 43-101. - Positive factor: Extension of LOI to acquire 100% interest in Pereira-Velho gold project - Positive factor: Filing of NI 43-101 technical report - Positive factor: Encouraging metallurgical recovery results \(up to 94.8% for oxide\) - Positive factor: Strategic location near Serrote Copper Mine - Negative factor: Historical resource estimate is not current and lacks NI 43-101 validation - Negative factor: Uncertainty regarding historical QA/QC and estimation methodology - Negative factor: Sulphide zones show refractory behavior Facts used in scoring: 4 ## Classification and evidence **Nearology Play** Polarity: neutral Story-specific tag Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: Project is positioned 25km from the Serrote Copper Mine. Evidence · text > strategically positioned just 25 kilometers from the Serrote Copper Mine **Historical Estimate Only** Polarity: negative Definition: Estimate pre-dates or does not comply with current JORC/NI 43-101 standards — requires verification drilling. Why it applies: The resource estimate provided is from a 2023 ANM filing and is not current or NI 43-101 compliant. Evidence · text > These estimates are not current and should not be relied upon. A Qualified Person has not done sufficient work to classify the historical estimates as current mineral resources under NI 43-101 **No QA/QC Disclosure** Polarity: negative Story-specific tag 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 company explicitly states that the reliability of the historical estimate is uncertain due to lack of QA/QC information. Evidence · text > reliability of the estimate is uncertain due to the lack of available information on QA/QC protocols **Refractory Ore** Polarity: negative Definition: Ore requires oxidation/pressure treatment before recovery — a processing and recovery risk. Why it applies: Sulphide-rich zones displayed refractory behavior. Evidence · text > sulfide-rich zones displayed refractory behavior **Heap Leach Route** Polarity: neutral Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected. Why it applies: the document describes a heap\_leach route \("heap leach"\) **Single Domain Only** Polarity: negative Definition: Testing limited to one composite or domain — representativeness not established. Why it applies: only one composite was tested ## Extracted facts Stored fact records: 4. Some facts used in scoring do not have a stored record. ## Resource Estimates (3) ### measured [Link to this fact](https://atlas-extractions.minestarters.com/news/pacific-bay-minerals-ltd-files-technical-report-and-signs-extension-on-letter-of--2b5e0985-c995-4216-9e19-3586a67642d8#fact-resource-facts-0) Pereira-Velho · gold Historical result Needs review: historical\_restatement #### Identity - Project: Pereira-Velho - Commodity: gold - Region: brazil - Reported Region: Alagoas State, Brazil - Ticker: PBM #### Resource scope - Estimate type: resource - Resource group id: resource:c920ea4e2ede8ec632a6 - Material type: oxide #### Resource Data - Category: measured - Tonnes: 1156000 - Grade: 0.64 - Grade Unit: g/t - Contained Metal: 23700 - Contained Unit: oz #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2023-01-01T00:00:00.000Z #### Dates - Event date: 2025-05-29T00:00:00.000Z Reasoning: Historical measured resource reported in 2023 ANM filing. - Negative factor: Historical data - Negative factor: Unverified QA/QC Evidence · text > 23,700 ounces \( 1,156,000 tons at 0.64 g/t Au \) of gold in the Measured category #### Tags used in scoring **Measured Resource** Polarity: positive Definition: Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves. Why it applies: category is "measured" **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 **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports **Stale Estimate** Polarity: negative Definition: Effective date is >2 years old — data currency concern, may not reflect current geological understanding. Why it applies: effective date is 2.4 years before this release ### indicated [Link to this fact](https://atlas-extractions.minestarters.com/news/pacific-bay-minerals-ltd-files-technical-report-and-signs-extension-on-letter-of--2b5e0985-c995-4216-9e19-3586a67642d8#fact-resource-facts-1) Pereira-Velho · gold Historical result Needs review: historical\_restatement #### Identity - Project: Pereira-Velho - Commodity: gold - Region: brazil - Reported Region: Alagoas State, Brazil - Ticker: PBM #### Resource scope - Estimate type: resource - Resource group id: resource:4cc36bf4eb6e403d7345 - Material type: oxide #### Resource Data - Category: indicated - Tonnes: 969000 - Grade: 0.66 - Grade Unit: g/t - Contained Metal: 44200 - Contained Unit: oz #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2023-01-01T00:00:00.000Z #### Dates - Event date: 2025-05-29T00:00:00.000Z Reasoning: Historical indicated resource reported in 2023 ANM filing. - Negative factor: Historical data Evidence · text > 44,200 ounces of gold \( 969,000 tons at 0.66 g/t Au \) in the Indicated category #### Tags used in scoring **Indicated Resource** Polarity: positive Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves. Why it applies: category is "indicated" **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 **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports **Stale Estimate** Polarity: negative Definition: Effective date is >2 years old — data currency concern, may not reflect current geological understanding. Why it applies: effective date is 2.4 years before this release ### inferred [Link to this fact](https://atlas-extractions.minestarters.com/news/pacific-bay-minerals-ltd-files-technical-report-and-signs-extension-on-letter-of--2b5e0985-c995-4216-9e19-3586a67642d8#fact-resource-facts-2) Pereira-Velho · gold Historical result Needs review: historical\_restatement #### Identity - Project: Pereira-Velho - Commodity: gold - Region: brazil - Reported Region: Alagoas State, Brazil - Ticker: PBM #### Resource scope - Estimate type: resource - Resource group id: resource:df80e4b7d95f4c60453a - Material type: oxide #### Resource Data - Category: inferred - Tonnes: 2098000 - Grade: 0.6 - Grade Unit: g/t - Contained Metal: 40500 - Contained Unit: oz #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2023-01-01T00:00:00.000Z #### Dates - Event date: 2025-05-29T00:00:00.000Z Reasoning: Historical inferred resource reported in 2023 ANM filing. - Negative factor: Historical data Evidence · text > 40,500 ounces \( 2,098,000 tones at 0.6 g/t Au \) in the inferred category #### Tags used in scoring **Inferred Resource** Polarity: negative Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: category is "inferred" **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 **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports **Stale Estimate** Polarity: negative Definition: Effective date is >2 years old — data currency concern, may not reflect current geological understanding. Why it applies: effective date is 2.4 years before this release ## Metallurgical Results (1) ### column leach [Link to this fact](https://atlas-extractions.minestarters.com/news/pacific-bay-minerals-ltd-files-technical-report-and-signs-extension-on-letter-of--2b5e0985-c995-4216-9e19-3586a67642d8#fact-metallurgical-facts-3) Pereira-Velho · gold #### Identity - Project: Pereira-Velho - Commodity: gold - Region: brazil - Reported Region: Alagoas State, Brazil - Ticker: PBM #### Test Work - Program Status: preliminary - Test Type: column leach - Processing Route: column leach - Sample: oxidized mineralization #### Recovery - Recovery: 94.8 % - Recovery Basis: actual\_test #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2025-05-29T00:00:00.000Z Reasoning: High recovery achieved in column leach tests on oxide material. - Positive factor: High recovery for oxide Evidence · text > Column leach tests returned ... up to 94.8% \( 3 mm crush\) #### Tags used in scoring **Heap Leach Route** Polarity: neutral Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected. Why it applies: processing\_route matches the heap\_leach signal **High Recovery** Polarity: positive Definition: Recovery at or above the exceptional band for the commodity and processing route. Why it applies: 94.8% is at or above the exceptional band \(75%\) ## 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.