# Heliostar Provides Progress Update on Ana Paula Feasibility Study Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/heliostar-provides-progress-update-on-ana-paula-feasibility-study--53c1f689-a782-46aa-89a2-9366ee42a4dd Original source: https://orestocks.com/company/HSTR.V/press-releases/6587001475607955 Publisher: orestocks Original announcement: 2026-09-21T10:30:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: Heliostar Metals Ltd. - Ticker: HSTR.V - Exchange: Unavailable - Region: Guerrero, Mexico - Primary commodity: Gold - Secondary commodities: Silver - Document categories: Other, Economic study, Metallurgy, Permitting - Extracted: 2026-09-21 10:47:47 UTC Narrative sentiment: 0.40 · Bullish ## Minestarters Atlas summary Heliostar Metals provides a progress update on the Ana Paula Feasibility Study, which is 34% complete and on track for Q2 2027. Key developments include metallurgical testing progress, throughput optimization to 2,000 tpd, and a shift in mine plan toward an underground-only operation to reduce surface impact. Reasoning: The document provides a comprehensive progress update on a major Feasibility Study, highlighting engineering optimizations and metallurgical progress, though the project remains pre-production. - Positive factor: Feasibility Study on track for Q2 2027 - Positive factor: Metallurgical testing substantially completed - Positive factor: Throughput optimization identified \(1,800 to 2,000 tpd\) - Positive factor: Transition to underground mining reduces surface footprint by 65% - Negative factor: Project still in development stage \(Feasibility Study\) - Negative factor: Permitting for underground operation \(MIA-R\) still pending submission Facts used in scoring: 2 ## Classification and evidence **PFS Complete** Polarity: positive Definition: AACE Class 3 study complete. Why it applies: The company is currently advancing a Feasibility Study, having already completed a PEA. Evidence · text > Feasibility Study remains on track for completion in Q2 2027 **Mill Route** Polarity: neutral Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\). Why it applies: The process involves grinding, flotation, bio-oxidation, and CIL. Evidence · text > amenable to recovery using conventional grinding and flotation followed by bio-oxidation and carbon-in-leach \("CIL"\) recovery **Permit Challenge Outstanding** Polarity: negative Definition: An appeal or legal challenge is unresolved, which can defer first production indefinitely. Why it applies: The company must submit a new environmental permit \(MIA-R\) for the underground mining plan. Evidence · text > the submission of another environmental permit \("MIA-R"\) ... will be undertaken by September or October 2026 **POX/BIOX Route** Polarity: neutral Definition: Pressure or bio-oxidation for refractory ore — high CAPEX and OPEX. Why it applies: the document describes a pox\_biox route \("BIOX"\) **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: 1. Some facts used in scoring do not have a stored record. ## Metallurgical Results (1) ### Fact 1 [Link to this fact](https://atlas-extractions.minestarters.com/news/heliostar-provides-progress-update-on-ana-paula-feasibility-study--53c1f689-a782-46aa-89a2-9366ee42a4dd#fact-metallurgical-facts-1) Ana Paula · gold #### Identity - Project: Ana Paula - Commodity: gold - Region: mexico - Reported Region: Guerrero, Mexico - Ticker: HSTR.V #### Test Work - Program Status: detailed - Processing Route: grinding, flotation, bio-oxidation, CIL - Sample: bulk composite of flotation concentrate #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-21T00:00:00.000Z Reasoning: Confirms metallurgical amenability using established routes. - Positive factor: Results consistent with PEA Evidence · text > amenable to recovery using conventional grinding and flotation followed by bio-oxidation and carbon-in-leach \("CIL"\) recovery #### Tags used in scoring **Mill Route** Polarity: neutral Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\). Why it applies: processing\_route matches the mill\_cil signal **POX/BIOX Route** Polarity: neutral Definition: Pressure or bio-oxidation for refractory ore — high CAPEX and OPEX. Why it applies: processing\_route matches the pox\_biox signal ## 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.