Designed for the mine of the future: Why South32 selected the Jameson Concentrator for Hermosa
Original announcement by globalminingreview on
- Company
- South32
- Ticker
- Unavailable
- Exchange
- Unavailable
- Region
- Arizona, USA
- Primary commodity
- Zinc
- Secondary commodities
- Manganese, Silver
- Document categories
- Metallurgy, Other
- Extracted
- 2026-09-12 02:44:46 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
South32 has selected Glencore Technology's Jameson Concentrator for its Hermosa project in Arizona. The technology was chosen for its compact footprint, energy efficiency, and suitability for remote, automated operations.
Reasoning: The document is a news article discussing the selection of specific processing technology (Jameson Concentrator) for the Hermosa project, rather than reporting new metallurgical test results or resource updates.
Positive factors
- Selection of Jameson Concentrator for Hermosa project
- Projected 30% energy savings
- Reduced footprint (60% of conventional)
- Improved automation readiness via fast residence times
Facts used in scoring: 3
Classification and evidence
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: The article discusses the selection of a concentrator for a flotation circuit.
Evidence · text
“reduced the flotation circuit from an alternative of approximately 22 conventional flotation cells to just 11 Jameson Cells”
Single Domain Onlynegative
Testing limited to one composite or domain — representativeness not established.
Why it applies: only one composite was tested
Extracted facts
Stored fact records: 3. Some facts used in scoring do not have a stored record.
Metallurgical Results (3)
flotationHermosa · zincView all detailsHide details
Identity
- Project
- Hermosa
- Commodity
- zinc
- Region
- usa_az
- Reported Region
- Arizona, USA
Test Work
- Program Status
- optimization
- Test Type
- flotation
- Processing Route
- Jameson Concentrator flotation
- Sample
- Hermosa project ore
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-13T00:00:00.000Z
Reasoning: Mention of zinc as a target metal for the project's processing design.
Positive factors
- Technology selection for zinc production
Evidence · text
“Hermosa is a critical minerals project designed to supply zinc, manganese, silver”
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the mill_cil signal
flotationHermosa · manganeseView all detailsHide details
Identity
- Project
- Hermosa
- Commodity
- manganese
- Region
- usa_az
- Reported Region
- Arizona, USA
Test Work
- Program Status
- optimization
- Test Type
- flotation
- Processing Route
- Jameson Concentrator flotation
- Sample
- Hermosa project ore
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-13T00:00:00.000Z
Reasoning: Mention of manganese as a target metal for the project's processing design.
Positive factors
- Technology selection for manganese production
Evidence · text
“Hermosa is a critical minerals project designed to supply zinc, manganese, silver”
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the mill_cil signal
flotationHermosa · silverView all detailsHide details
Identity
- Project
- Hermosa
- Commodity
- silver
- Region
- usa_az
- Reported Region
- Arizona, USA
Test Work
- Program Status
- optimization
- Test Type
- flotation
- Processing Route
- Jameson Concentrator flotation
- Sample
- Hermosa project ore
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-13T00:00:00.000Z
Reasoning: Mention of silver as a target metal for the project's processing design.
Positive factors
- Technology selection for silver production
Evidence · text
“Hermosa is a critical minerals project designed to supply zinc, manganese, silver”
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the mill_cil 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.