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Hummingbird Resources provides Kouroussa Gold Mine update

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Global Mining Review,

Hummingbird Resources plc has provided an update on its mine development progress and results from the final assays received from the 2021 Resources and Reserves infill drilling programme at the Kouroussa Gold Mine in Guinea.

Hummingbird Resources provides Kouroussa Gold Mine update

Kouroussa development update

The development and construction of the company’s second gold mine, Kouroussa, is now over 50% completed and remains on time and budget to achieve first gold pour by the end of 2Q23, which will more than double Hummingbird’s gold production profile.

Key construction updates are as follows:

  • Construction progress
    • Five CIL tanks and two leach tanks have been erected.
    • Plant workshop completed and processing plant store nearing completion, with construction of other processing plant building infrastructure commencing.
    • Tower crane operational and ready to be used for structural, mechanical, and piping installations.
    • Mining camp earthworks and all concrete slabs for building infrastructure completed.
    • Building and camp infrastructure has commenced for: accommodation; camp mess facilities; offices; and main entrance road works.
    • Civil works in progress in the following areas: oxide ore crushing, reclaim, milling, reagents, oxygen plant, detox, and services.
    • Structural steel installation and pre-assemblies commenced on the oxygen plant and reagent areas.
    • On track to reach over 1 million lost time injury (LTI) free hours in early September.


  • Long lead items and operation readiness
    • All long lead items for the project have been ordered with increasing deliveries on site occurring for installation in 2H22, in particular from September onwards including:
      • SAG mill; Jaw crusher; CIL agitators; mineral sizer; vibrating grizzly apron feeder; reclaim apron feeder; slurry and water pumps.
    • Operation readiness programmes being finalised in preparation for mining and first gold pour by the end of 2Q23 including:
      • Mine plan; grade control drilling plans; mining contract award; overall mining and power infrastructure implementation plans; and active recruitment for key operational positions also underway.

Further high-grade assay results at Kouroussa confirmed

Hummingbird has received the final assay results from the 2021 infill drilling campaign, which were not included in the company’s 2022 ‘Company Resources and Reserves’ update, released on 30 June 2022. These final assay results relate to 27 drill holes totalling 4138 m at Kouroussa’s key deposit Koekoe (KK).

Notable drill results from the KK deposit include:

  • 9.0 m @ 32.60 g/t from 116 m (KRCD1899).
  • 12.3 m @ 13.84 g/t from 69.7 m (KRCD1901).
  • 12.0 m @ 4.14 g/t from 98 m (KRCD1902).
  • 6.0 m @ 10.94 g/t from 122 m (KRCD1902).
  • 8.2 m @ 10.29 g/t from 92 m (KRCD1904A).
  • 7.2 m @ 10.46 g/t from 128.5 m (KRCD1909).
  • 2.0 m @ 27.10 g/t from 40 m (KRCD1914).
  • 3.1 m @ 14.28 g/t from 132 m (KRCD1914).
  • 2.0 m @ 47.77 g/t from 154 m (KRCD1915).
  • 15.1 m @ 3.48 g/t from 59 m (KRCD1935).

These, coupled with previous high-grade results, continue to demonstrate Kouroussa’s significant gold endowment, which boasts multiple high-grade zones that remain open at depth and provide further corroboration of the updated block model.

These new assays will feed into the company’s 2023 Resources and Reserves statement, which is expected to be released in 1H23.

Dan Betts, CEO of Hummingbird Resources, commented:

“Hummingbird continues to move towards our key strategic goal of being a multi-asset, multi-jurisdiction gold producer with a key milestone of over 50% of construction now completed at our second gold mine, Kouroussa, located in the prolific Siguiri Basin in Guinea.

“In addition, the latest assay results from our 2021 infill drilling campaign are very positive in terms of grade profile and confidence levels they provide us as we move towards beginning to mine at Kouroussa later this year, ahead of the all-important first gold pour by end of 2Q23.”

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