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Costerfield

Gold · Australia

Costerfield is a gold project in Australia, at the production stage, held by Alkane Resources (TSX: ALK).

15 news releases are filed under it here.

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Key facts

CompanyAlkane Resources (TSX: ALK)
CommodityGold
LocationAustralia
StageProduction

News releases15 on file

  1. Aug 24, 2026

    New High-Grade Domain Discovered at Cuffley

    A new high-grade gold-antimony pod has been identified in the Cuffley Lode infill area at the Costerfield property in Victoria, Australia, in a sparsely drilled zone previously thought to be low grade. Assays include 580.9g/t gold and 24% antimony over 0.61m (ETW 0.54m) in AD270, 168.9g/t gold and 33.5% antimony over 0.9m in AD265, and from the Sub KC domain 192g/t gold over 0.17m in CSK043. The C

    Drill results
  2. Jul 14, 2026

    Alkane Extends High Grade Gold Trend at Brunswick South

    An additional 91 holes have been drilled at the Brunswick South deposit at the Costerfield Operation in central Victoria, Australia, located 400m south of the previously mined Brunswick vein and 200m from planned underground access. Intercepts include 50.1g/t gold and 26.2% antimony over 2.17m (ETW 1.08m) in BD468, 109.9g/t gold and 3.1% antimony over 0.65m in BD433, and 25g/t gold over 1.7m in BD

    Drill results
  3. Jul 6, 2026

    Costerfield – True Blue Exploration Update

    An additional 33 holes have been drilled at the True Blue deposit, 2 km west of underground workings at the Costerfield Operation in central Victoria, Australia, since the 15 October 2025 resource and reserve statement, mainly infilling the upper portion of the deposit. Freeman (700) vein results include 57.6g/t gold and 25.4% antimony over 0.25m (ETW 0.17m) in TB055 and 30.1g/t gold and 14.8% ant

    Drill results
  4. Jun 5, 2026

    Alkane's Stevie Child wins Exceptional Young Woman in Resources Award

    Stevie Child, an undergraduate mining engineer at Alkane's Costerfield Operations, won the Exceptional Young Woman in Resources category at the Victorian Women in Resources Awards. Victorian award winners advance as finalists at the 2026 Women in Resources National Awards hosted by the Minerals Council of Australia in September.

    Corporate
  5. Apr 9, 2026

    Alkane Nagambie earn-in transaction secures approvals

    All conditions precedent for the earn-in joint venture between Nagambie Resources and Alkane's subsidiary Costerfield Operations have been satisfied following shareholder approval on 9 April 2026, with Alkane subscribing for 166,666,667 Nagambie shares at $0.015 each for $2.5 million. A 12 month option period has commenced over Nagambie's MIN 5412 and EL 5511 tenements, under which Alkane can spen

    Acquisition
  6. Feb 25, 2026

    Alkane Advances Near-Mine Kendal Deposit with High Grade Antimony-Gold Intercepts at Costerfield

    Infill and extension drilling at the Kendal deposit adjoining the mined Youle deposit at the Costerfield Operation in central Victoria, Australia returned 132.2 g/t gold and 19.8% antimony over 1.94m (ETW 1.04m) in PD222 and 25.3 g/t gold and 42.8% antimony over 1.71m in PD220 from the 501 vein, plus 267.5 g/t gold and 5.6% antimony over 2.3m (ETW 1.22m) in BC464 from the 520 vein, which spans ove

    Drill results
  7. Jan 30, 2026

    Proposed Investment and Earn-in with Nagambie Resources

    A proposed investment and earn-in agreement with Nagambie Resources covers Nagambie's core gold-antimony project in Victoria, located about 40km northeast of Alkane's Costerfield operations. Under the proposed structure, Alkane would invest in the project and gain exposure to additional gold and antimony production, with potential to process Nagambie ore through the existing Costerfield treatment

    Acquisition
  8. Aug 18, 2025

    Upcoming Guidance and Costerfield and Björkdal Clarification

    FY2026 production guidance is expected to be released in September following a review of the combined entity's budget after the merger with Mandalay Resources Corporation, with the consolidated 2025 Annual Resources and Reserves Statement to follow when available. Alkane has begun converting the NI 43-101 mineral resource and reserve estimates for Costerfield and Björkdal to JORC Code estimates, e

    Corporate
  9. Jul 21, 2025

    Mandalay Extends High-Grade True Blue Discovery and Deploys Additional Drill Rigs at Costerfield Gold-Antimony Mine

    Drill results
  10. Jul 9, 2025

    Mandalay Resources Reports Steady Q2 Production, US$101M Cash and Crucial Investment to Support Growth at Costerfield

    Mandalay Resources reported steady second-quarter production and US$101 million in cash, along with investment to support growth at the Costerfield operation.

    Corporate
  11. Mar 28, 2025

    Mandalay Resources Corporation Announces Filing of Annual Information Form and Updated NI 43-101 Technical Reports For its Björkdal and Costerfield Operations

    Mandalay Resources Corporation has filed its Annual Information Form and updated NI 43-101 technical reports for its Björkdal and Costerfield operations, as announced on 28 March 2025.

    News
  12. Jan 28, 2025

    Mandalay Intercepts 578 g/t Gold and 20% Antimony over 0.47 Metres at True Blue, a Potential Costerfield Mine Extension

    Drilling at True Blue, a potential extension of the Costerfield mine, returned 578 g/t gold and 20% antimony over 0.47 metres, according to Mandalay Resources. The release also references gold intercepts below the San Antonio resource at Tomingley and a target release date for Mandalay's fourth quarter and year-end 2024 financial results and conference call.

    Drill results
  13. Sep 10, 2024

    Mandalay Resources Reports High-Grade Antimony and Gold Intercepts, Advancing Costerfield Resource Expansion

    Drill results
  14. Mar 28, 2024

    Mandalay Resources Corporation Announces Filing of AIF 2024 and Updated NI 43-101 Technical Report for its Costerfield Operation

    News
  15. Feb 22, 2024

    Mandalay Resources Provides 2023 Year-End Mineral Reserves and Resources Update for the Costerfield Mine, alongside an Interim Mineral Reserves Update for the Björkdal Mine

    Resource update

Related

Other Alkane Resources projects

  • Björkdal · Gold · Sweden
  • Boda-Kaiser Project · Gold · Australia
  • Northern Molong Porphyry Project · Gold · Australia
  • Peak Hill Gold Mine · Gold · USA
  • Tomingley Gold Project · Gold · USA
Alkane Resources profile →Alkane Resources news →Reading an NI 43-101 →