Low grade gold mine boosts recovery with STEINERT sorting technology
Original announcement by globalminingreview on
- Company
- Navachab Gold Mine
- Ticker
- Unavailable
- Exchange
- Unavailable
- Region
- Namibia
- Primary commodity
- Gold
- Secondary commodities
- None reported
- Document categories
- Metallurgy, Other
- Extracted
- 2026-08-21 03:19:38 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Navachab Gold Mine in Namibia has successfully implemented STEINERT's next-generation dry sorting technology to upgrade its low-grade gold operations. The new multi-sensor sorting system has doubled the ore grade and throughput while reducing operational costs to one-quarter of previous dense media separation (DMS) methods.
Reasoning: The implementation of sensor-based sorting technology has significantly improved economic viability by doubling grade and throughput while reducing costs.
Positive factors
- doubling of ore grade
- doubling throughput
- 1/4 of previous operational costs
- environmentally friendly (dry sorting)
Facts used in scoring: 2
Classification and evidence
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: The sorting technology is used to feed downstream CIP (Carbon-in-Pulp) plants.
Evidence · text
“the dry sorting plant sorts 200 tph to detect material falling below the CIP plant cut-off grade”
Extracted facts
Stored fact records: 2. Some facts used in scoring do not have a stored record.
Metallurgical Results (2)
sensor-based sortinggoldView all detailsHide details
Identity
- Commodity
- gold
Test Work
- Program Status
- optimization
- Test Type
- sensor-based sorting
- Processing Route
- dry sorting
- Sample
- low-grade stockpiles preconcentrated via STEINERT XSS T sorters
Reagents
- Reagent Notes
- dry sorting process, requires minimum of water
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-01-13T00:00:00.000Z
Reasoning: The technology has successfully converted 10 million tonnes of previously uneconomical stockpiles into valuable ore.
Positive factors
- preconcentrated over 10 million t of low-grade stockpiles
Evidence · text
“Over the last decade, these sorters have preconcentrated over 10 million t of low-grade stockpiles and turned it into valuable ore”
sensor-based sortinggoldView all detailsHide details
Identity
- Commodity
- gold
Test Work
- Program Status
- optimization
- Test Type
- sensor-based sorting
- Processing Route
- dry sorting
- Sample
- dry sorting plant throughput
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-01-13T00:00:00.000Z
Reasoning: The sorting plant operates at 200 tph, facilitating higher throughput for downstream processing.
Positive factors
- doubling throughput
- 200 tph sorting rate
Evidence · text
“the dry sorting plant sorts 200 tph to detect material falling below the CIP plant cut-off grade”
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.