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Jericho Deposit Growth Raises Questions on Resource Expansion and Development Timing

Mining By Maxwell Dee 3 min read

AIC Mines has reported significant high-grade copper and gold intercepts from recent drilling at its Jericho copper deposit in North Queensland, boosting confidence in the resource and its development potential.

  • High-grade copper-gold intercepts confirmed at Jericho’s J1 and J2 lenses
  • Mineralisation remains open along strike and at depth, indicating growth potential
  • Drilling results support proximity to planned Jericho Link Drive and Eloise processing plant
  • Ongoing drilling and assays expected to further define resource base
  • Results align with JORC Code standards, underpinning resource confidence

Jericho Deposit Drilling Delivers Encouraging Results

AIC Mines Limited (ASX:A1M) has announced a series of promising drilling results from its Jericho copper deposit, located just four kilometres south of its operating Eloise copper mine in North Queensland. The latest resource definition and extension drilling has returned multiple high-grade copper and gold intercepts, reinforcing the deposit’s potential and proximity to key infrastructure.

The Jericho deposit features two main mineralised lenses, J1 and J2, which extend over a strike length of approximately five kilometres and remain open both along strike and at depth. Recent drilling at the northern end of the deposit, particularly within the Jolly shoot on the J1 Lens and the Tucker shoot on the J2 Lens, has intersected significant mineralisation grades, including copper concentrations exceeding 2% over several metres, accompanied by gold and silver credits.

Strategic Significance of Results

These intercepts are especially noteworthy because they occur near the planned Jericho Link Drive, which will connect the deposit to the Eloise processing facility. This proximity offers operational flexibility and potential cost efficiencies for early ore development. Managing Director Aaron Colleran highlighted that the results increase orebody confidence and add high-grade mineralisation closer to existing infrastructure, a key factor in advancing the project’s development timeline.

Furthermore, the drilling program has confirmed the continuity of mineralisation in priority areas such as Matilda North, where the first ore is expected to be mined. The ongoing drilling campaign aims to upgrade the resource base and improve geological understanding, with additional assay results anticipated in the coming months.

Robust Methodology and Compliance

AIC Mines has conducted its drilling and sampling in strict accordance with the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves (JORC Code 2012). The company employs industry-standard diamond and reverse circulation drilling techniques, rigorous sample preparation, and quality assurance protocols. Independent verification by competent persons ensures the reliability of the reported results, which underpin the company’s resource estimates and future exploration plans.

The Jericho deposit’s geological setting, characterized by iron sulphide copper-gold mineralisation within Proterozoic basement rocks, continues to reveal high-grade shoots that could materially enhance the overall resource. The deposit remains open, and AIC Mines is actively pursuing further extensional drilling to delineate additional mineralisation.

Outlook and Market Implications

While the announcement does not include updated resource estimates or production guidance, the positive drilling results contribute to a growing body of evidence supporting Jericho’s development potential. Investors and analysts will be watching closely for forthcoming assay results and resource updates, which could influence AIC Mines’ valuation and project timelines. The company’s focus on building a portfolio of gold and copper assets in Australia aligns with broader market interest in base metals and precious metals amid evolving global supply dynamics.

Bottom Line?

Jericho’s expanding high-grade zones position AIC Mines for a potentially accelerated path to production, but key assay results and resource updates remain forthcoming.

Questions in the middle?

  • How will the new drilling results impact the upcoming resource estimate and mine plan at Jericho?
  • What is the timeline for completing the Jericho Link Drive and integrating Jericho ore into Eloise processing?
  • Could further drilling reveal additional high-grade shoots that materially increase Jericho’s resource size?