Summary (from https://newsrush.ai/m_65.html):Interim Phase 2 Metallurgy Green Lights Sybella REO
3 June 2024 9:19 AM | 23 Pages
The interim results of Red Metal's second phase metallurgical study at the Sybella rare earth oxide discovery indicate promising low-cost, low-capital heap leach processing potential.Summary
- Red Metal reports positive interim results from Phase 2 metallurgical studies at the Sybella project.
- Key findings suggest low-cost, low-capital heap leach processing is feasible.
- High REO extractions achieved with low levels of sulphuric acid.
- Coarser crush sizes (-10mm to -15mm) show high REO recoveries with lower acid consumption.
- Acid consumption rates optimized to lower levels.
- Breakthrough pH 3 leach result on fresh granite has vast tonnage potential.
- Preparations for further column leach tests and impurity removal trials are underway.
- Broad spaced step-out drilling is about 50% complete.
- Phase 1 results showed high rare earth extractions averaging 78% for neodymium and 79% for praseodymium.
Highlights
- Low-cost, low-capital heap leach processing is feasible.
- High REO extractions with low levels of sulphuric acid.
- Coarser crush sizes (-10mm to -15mm) provide high REO recoveries.
- Optimized acid consumption rates.
- Breakthrough pH 3 leach result on -15mm fresh granite over 56 days.
- Broad spaced step-out drilling about 50% complete.
Positives
- Feasibility of low-cost, low-capital heap leach processing.
- High REO recoveries with coarse crush sizes.
- Optimized acid consumption rates.
- Breakthrough result at pH 3 leach on fresh granite.
- Positive Phase 1 and Phase 2 test results.
- Ongoing drilling and preparations for further tests.
Negatives
- High iron extraction in low pH settings for fresh granite.
- Need for longer residence times in weaker acid settings.
Key Dates
- 3 June 2024: Announcement of interim Phase 2 metallurgical results.
- 1 February 2024: Previous announcement of Phase 1 results.
- 18 March 2024: Follow-up announcement of Phase 1 results.
- 13 May 2024: Initiation of step-out drilling.
- 21 August 2023: Initial RC drilling program announcement.
Alerts
- Contains better than expected results: yes
- Contains worse than expected results: no
- Contains expected results: no
- Sentiment: positive
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- Ann: Interim Phase 2 Metallurgy Green Lights Sybella REO
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