ASX 200 Edges Lower as Small Caps Make Headlines with Exploration, Drilling and Tech Progress

3 min read | July 25, 2025 06:33 PM AEST | By Team Kalkine Media

Highlights

  • Green360 begins production of metakaolin
  • Kairos and Aurum report strong drilling updates
  • St George scales up rare earths exploration

The S&P/ASX 200 index dropped modestly as market momentum eased, while the small-cap space stayed active with significant developments across mining, technology, and biotechnology.

Green360 Technologies (ASX:GT3) has commenced the production of high-reactivity metakaolin at its Pittong Operation in Victoria. Using high-purity kaolin feedstock, the company is now moving forward in supplying green cement materials, an advancement that supports growing demand for sustainable construction inputs.

Kairos Minerals (ASX:KAI) continues to make strides at its Mount York Gold Project in Western Australia. The company shared early results from its extensive drilling campaign, with initial holes indicating encouraging gold mineralisation. The broader campaign aims to build momentum toward further resource updates.

St George Mining (ASX:SGQ) has expanded its drill program at the Araxá Project in Brazil, following a successful capital raise. With new funding, the company is progressing its rare earths and niobium exploration with increased intensity. The strategy is aimed at positioning the project in the evolving critical minerals landscape.

Nexus Minerals (ASX:NXM) has also been active, revealing its maiden RC drilling outcomes from the Payns Prospect at the Wallbrook Gold Project. The findings provide valuable insights into the geology of the area, contributing to its longer-term exploration plans.

Race Oncology (ASX:RAC) marked a clinical milestone by treating the first patient with its reformulated cancer treatment candidate, RC220. Designed to enhance application across broader tumour categories, this step reflects the company’s ongoing push into therapeutic innovation.

Meanwhile, West Wits Mining updated its Definitive Feasibility Study for the Qala Shallows segment of the Witwatersrand Basin Project. The revised outlook underlines the project’s economic potential as it moves closer to the development phase.

Aurum Resources (ASX:AUE) announced high-grade gold intercepts at the BMT3 deposit within the Boundiali Gold Project in Côte d'Ivoire. These results are part of a large-scale drilling effort targeting an expanded mineral resource base.

Lanthanein Resources (ASX:LNR) provided its latest quarterly update, detailing progress at the Lady Grey Project. With recent drilling achievements and a refreshed board structure, the company is setting a strong foundation for upcoming campaigns.

Orthocell (ASX:OCC) shared news of board reshuffles to enhance its commercial focus, particularly in the United States. These changes are aligned with the company's strategy to expand market access for its nerve repair product.

Asian Battery Metals (ASX:AZ9) is preparing to restart drilling at its Oval Cu-Ni discovery in Mongolia. New electromagnetic survey results have outlined promising target zones, with the next drilling phase set to commence shortly.

This dynamic landscape within the small-cap arena showcases the breadth of exploration, innovation, and strategic execution currently unfolding across multiple sectors of the ASX.


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