What is the main goal of the Lincoln drilling program?

The program aims to convert historical estimates into a JORC-compliant mineral resource and explore high-grade zones at depth.

How does site infrastructure impact the drilling program?

Upgraded electrical systems and dewatering efforts improve access and operational efficiency, ensuring safe and effective drilling.

Why is Haranga Resources significant in the ASX mining sector?

Haranga's systematic exploration and resource development contribute to its recognition within ASX mining stocks , supporting growth in the Australian gold industry.

Haranga Resources Initiates Underground Drilling at Lincoln Gold Project

4 min read | November 28, 2025 12:05 PM AEDT | By Team Kalkine Media

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Haranga Resources Initiates Underground Drilling at Lincoln Gold Project — Image source: Shutterstock

Haranga Resources Mobilises Underground Diamond Drill Rig

Haranga Resources (ASX:HAR) has recently mobilised a Gen II underground diamond drill rig to its wholly owned Lincoln gold project in California. This development represents a key milestone as the company advances toward a JORC-compliant mineral resource. The mobilisation of the drill rig, which arrived on site on 27 November, signifies the beginning of an intensive drilling campaign aimed at expanding and validating the existing mineralisation at Lincoln.

The drilling program is scheduled to commence on the nightshift following site preparation and contractor onboarding. This initiative forms part of Haranga's broader strategy to convert historical foreign estimates into a fully recognised JORC mineral resource, marking an important step in the growth trajectory of the project.

Resource Conversion and Exploration Growth

The Lincoln drilling program is designed to provide a comprehensive evaluation of the underground resource. The campaign includes a series of HQ-sized drill holes that focus on converting historical estimates into a compliant JORC resource. The program is flexible, allowing for expansion depending on initial drilling outcomes.

A significant portion of the effort is directed at assessing structural repetitions and extensions beneath the current resource estimate, with the goal of expanding the known mineralised footprint. The project is also reviewing the potential application of a lower cut-off grade, considering prevailing gold market conditions. This approach could optimise resource definition and provide a clearer picture of the Lincoln project's long-term potential.

The commencement of underground drilling reflects a dedicated effort by the project team, providing the first opportunity in decades to explore high-grade repetitions at depth. This initiative is expected to generate valuable insights for the future development of the Lincoln gold project.

Dewatering and Site Access Enhancements

Access to deeper drilling platforms at Lincoln requires careful management of water levels within the mine. The ongoing dewatering process for the Stringbean Alley Decline is progressing at the maximum permitted rate, enabling drill platforms to be prepared for the underground program. Recent heavy rainfall temporarily restricted water discharge, causing slight delays to mobilisation, but work has resumed, and access to key mine areas is now approaching completion.

Alongside drilling, significant underground electrical system upgrades have been completed. The installation of high-voltage switchgear and refurbishment of a mobile power centre enhance operational safety and reliability. Additional infrastructure recovery and access improvements are progressing in tandem with the drilling program, ensuring that Haranga maintains a safe and efficient working environment.

Strategic Significance in ASX Mining Stocks

The Lincoln project underscores Haranga's position within the ASX mining stocks sector. The company's systematic approach to resource conversion, combined with underground infrastructure enhancements, positions it for continued growth and recognition within the ASX stock market.

Investors and market watchers are observing developments closely, as underground drilling offers insights into the project's potential to contribute to the broader Australian gold sector. By targeting deeper mineralised zones, Haranga aims to strengthen its footprint in the competitive mining landscape, which includes listings across the ASX100 and ASX300.

Project Outlook and Market Implications

The Lincoln gold project demonstrates a methodical approach to exploration and resource development. By converting historical estimates to JORC-compliant resources, the project aligns with industry standards, enhancing transparency and credibility. The combination of underground drilling, site upgrades, and resource evaluation positions the project as a noteworthy asset within the Australian mining sector.

Additionally, Haranga's activities contribute to broader discussions around ASX dividend stocks, as resource-rich companies continue to influence market dynamics. The Lincoln project exemplifies the type of operational initiatives that can underpin long-term value creation within the mining sector.

Frequently Asked Questions

What is the main goal of the Lincoln drilling program?

The program aims to convert historical estimates into a JORC-compliant mineral resource and explore high-grade zones at depth.
How does site infrastructure impact the drilling program?

Upgraded electrical systems and dewatering efforts improve access and operational efficiency, ensuring safe and effective drilling.
Why is Haranga Resources significant in the ASX mining sector?

Haranga's systematic exploration and resource development contribute to its recognition within ASX mining stocks, supporting growth in the Australian gold industry.

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