Koryx Copper Provides Project Development Update for the Haib Copper Project in Southern Namibia

Original announcement by tmx on

Company
Koryx Copper Inc.
Ticker
KRY
Exchange
TSX
Region
Namibia
Primary commodity
Copper
Secondary commodities
Molybdenum, Gold
Document categories
Metallurgy, Economic study, Permitting
Extracted
2026-09-18 06:40:10 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Koryx Copper has provided a development update for the Haib Copper Project in Namibia, highlighting metallurgical optimizations using Coarse Particle Flotation (CPF) and material sorting. These enhancements are expected to increase throughput and processing grades while simplifying the flowsheet by eliminating the sulphide heap leach circuit. The company is targeting the publication of a Pre-feasibility Study (PFS) by late 2026 and environmental approval in 2027.

Reasoning: The announcement details significant metallurgical optimization via CPF and sorting technologies that could improve project economics, supporting the upcoming PFS.

Positive factors

  • Successful testing of Coarse Particle Flotation (CPF) and material sorting to reject waste
  • Potential for significant throughput and grade improvements in upcoming PFS
  • Elimination of sulphide heap leach circuit simplifies flowsheet and reduces capex
  • Progress in environmental permitting with specialist studies completed

Negative factors

  • Copper loss (4-11%) associated with CPF coarse tailings rejection

Facts used in scoring: 3

Classification and evidence

Mill Routeneutral

Processing via mill or concentrator (CIL, CIP, tank leach, flotation).

Why it applies: The project envisages conventional crushing, milling, and sulphide flotation.

Evidence · text

“envisaged to produce a Cu and Mo concentrate via large-scale open pit mining and mainly conventional crushing, milling and sulphide flotation”

Heap Leach Routeneutral

Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: The project includes a 3Mtpa oxide/transitional heap leach circuit.

Evidence · text

“3Mtpa of crushed oxide and transitional material will be processed by copper heap leaching”

PFS Completepositive

AACE Class 3 study complete.

Why it applies: The company is fast-tracking towards a Pre-feasibility Study (PFS) publication by end of 2026.

Evidence · text

“Continued fast tracking towards publication of a Pre-feasibility Study (“PFS”) before the end of 2026.”

POX/BIOX Routeneutral

Pressure or bio-oxidation for refractory ore — high CAPEX and OPEX.

Why it applies: the document describes a pox_biox route ("pressure oxidation")

Multi-Domain Testedpositive

Variability across ore domains (oxide, transition, fresh) has been addressed.

Why it applies: 2 distinct composites were tested

Extracted facts

Stored fact records: 2. Some facts used in scoring do not have a stored record.

Metallurgical Results (2)

Fact 1copperRecovery: 89 %View all details
Link to this fact

Identity

Commodity
copper
Region
namibia
Reported Region
Namibia
Ticker
KRY

Test Work

Sample
CPF tailings (150 to 425µm size fraction)

Recovery

Recovery
89 %
Recovery Basis
actual_test

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-03T00:00:00.000Z

Reasoning: The recovery is calculated as the lower bound of the reported loss range.

Positive factors

  • Enables coarser grind and higher throughput

Negative factors

  • Significant copper loss (up to 11%)

Evidence · text

“The >150µm CPF tailings, representing approximately 25 to 30% of the mill feed, can be rejected ahead of flotation feed with approximately 4 to 11% additional loss of copper.”

Tags used in scoring

Byproduct Commodityneutral

The tested commodity is a byproduct rather than the primary economic driver.

Why it applies: the release describes a byproduct credit

Fact 2copperRecovery: 72.5 %View all details
Link to this fact

Identity

Commodity
copper
Region
namibia
Reported Region
Namibia
Ticker
KRY

Test Work

Sample
transitional/oxide ore (column leach)

Recovery

Recovery
72.5 %
Recovery Basis
actual_test

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-03T00:00:00.000Z

Reasoning: Recovery is the midpoint of the reported 70-75% range.

Positive factors

  • Demonstrates potential for solubilising copper in transitional/oxide material

Evidence · text

“Three column leach tests were completed on a transitional/oxide ore sample... demonstrated the potential to solubilise 70 to 75% of copper in the sample over this period.”

Tags used in scoring

Low Recoverynegative

Recovery below the weak band for the commodity and processing route.

Why it applies: 72.5% is below the weak band (80%)

Byproduct Commodityneutral

The tested commodity is a byproduct rather than the primary economic driver.

Why it applies: the release describes a byproduct credit

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.