Kalkine: Resolution Minerals Expands Critical Minerals Portfolio with Horse Heaven Project Amid ASX200 Momentum

June 11, 2025 01:53 PM AEST | By Team Kalkine Media
 Kalkine: Resolution Minerals Expands Critical Minerals Portfolio with Horse Heaven Project Amid ASX200 Momentum
Image source: shutterstock

Highlights 

  • Resolution secures strategic project in Idaho rich in critical minerals 
  • Strong gold, silver, tungsten, and antimony potential identified 
  • Project aligns with rising global interest in critical resources 

Resolution Minerals (ASX:RML) has acquired the historic Horse Heaven project in Idaho’s renowned Stibnite mining district, aiming to capitalise on increasing global demand for critical minerals such as antimony and tungsten. The move reinforces the company’s strategic expansion into the US minerals sector at a time when many governments are actively seeking to localise their supply chains for vital resources. 

Strategic Asset Acquisition 

The Horse Heaven project spans a significant 56-square-kilometre area covered by 699 US federal lode mining claims. It includes both historical production zones and promising unexplored extensions. Two main mineralised fault zones – Antimony Ridge and Golden Gate – present compelling opportunities for further development. 

The Antimony Ridge Fault Zone hosts known mineralisation across 1.2 kilometres, featuring a current resource of 70,000 ounces of gold at an average grade of 0.69g/t. Meanwhile, the Golden Gate Fault Zone boasts a larger 3.5-kilometre mineralised stretch with 216,000 ounces of gold at 0.93g/t. 

In addition to gold, the project has revealed encouraging assays of silver and antimony. Sampling has returned results including 3.68g/t gold, 303g/t silver, and 2.72% antimony over 4 metres, and up to 19.15% antimony over 1 metre. Such findings suggest significant tonnage potential, making the project an attractive addition to Resolution’s portfolio. 

Exploration and Development Plans 

Resolution plans to fund this acquisition through a $1.9 million share placement. The proceeds will support ongoing exploration at Horse Heaven and across its existing assets, along with working capital. 

The total consideration for the Horse Heaven vendor includes $1 million in cash and an issuance of 444 million shares, alongside 222 million options with an exercise price of $0.018, expiring in July 2028. 

Critical Minerals Demand and Market Context 

The acquisition comes at a time of surging global demand for critical minerals, with governments placing increasing emphasis on securing domestic sources of elements like tungsten and antimony. This trend is reflected in investor interest across the mining sector, especially among those looking for growth opportunities linked to the energy transition and supply chain security. 

In the broader market context, companies exploring and developing assets like Horse Heaven are attracting attention from participants interested in long-term exposure to the evolving commodity landscape. These developments also echo the dynamics seen in ASX dividend stocks, where strategic investments are increasingly viewed through a lens of both capital growth and future-facing sector exposure. 

The momentum of the ASX200 index further highlights the growing role of resource companies in driving market performance, as investors continue to watch the space for developments tied to global economic shifts and sustainability goals. 

Resolution’s entry into the US critical minerals space via the Horse Heaven acquisition positions it for potentially significant upside in an evolving and high-demand market segment. 


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