Latest Niobium Mining News

Page 1 of 3
St George Mining has delivered a major upgrade to its Araxá Project in Brazil, increasing measured and indicated resources by 155% and confirming the world's largest undeveloped niobium resource alongside rare earths.
Maxwell Dee
Maxwell Dee
11 Aug 2026
St George Mining has delivered its most impressive drill results yet at the Araxá Rare Earths and Niobium Project, revealing a new record intercept of 207 metres of continuous high-grade mineralisation from surface. These findings bolster the case for a straightforward open-pit operation and reinforce Araxá’s status as South America’s largest, highest-grade carbonatite-hosted rare earth resource.
Maxwell Dee
Maxwell Dee
29 July 2026
Energy Transition Minerals (ASX:ETM) has completed its purchase of the Penouta Tin-Tantalum-Niobium mine in Spain, advancing its ambition to become a key European critical minerals producer with plans to restart operations.
Maxwell Dee
Maxwell Dee
21 July 2026
Australian Rare Earths (ASX: AR3) has discovered a promising niobium-rare earth carbonatite system at its Overland Project, marked by significant mineralisation in a single drill hole and linked to a large magnetic anomaly.
Maxwell Dee
Maxwell Dee
8 July 2026
Magnum Mining has significantly increased its exploration footprint around the Piracanjuba rare earth clay discovery in Brazil, securing 14 new permits and advancing a major drilling campaign targeting a large-scale deposit.
Maxwell Dee
Maxwell Dee
4 June 2026
Magnum Mining has advanced its auger drilling campaign at the Piracanjuba North Target, completing 161 holes over 7.4 km² and preparing for key Exploration Target and JORC Resource milestones later this year.
Maxwell Dee
Maxwell Dee
1 June 2026
Energy Transition Minerals (ASX: ETM) has appointed Alexander B. Gray, a former senior US national security official, to its Strategic Advisory Board, enhancing its geopolitical clout and US engagement as it pushes forward with its Greenland rare earths project.
Maxwell Dee
Maxwell Dee
26 May 2026
Energy Transition Minerals has released a JORC-compliant Mineral Resource Estimate for its Penouta tin-tantalum-niobium mine in Spain, reinforcing its strategic role in Europe's critical minerals supply chain and setting the stage for a project restart.
Maxwell Dee
Maxwell Dee
4 May 2026
Encounter Resources (ASX:ENR) has reported a major 83% increase in the Green deposit’s inferred niobium resource at its Aileron project, lifting the combined inferred mineral resource by 54%. Meanwhile, copper-gold drilling advances in the Paterson Province as the company targets Havieron-style systems.
Maxwell Dee
Maxwell Dee
30 Apr 2026
Oceana Metals is set to transform its portfolio with the acquisition of the Serra Negra rare earths and niobium project in Brazil, backed by a $20 million placement to fund aggressive exploration.
Maxwell Dee
Maxwell Dee
28 Apr 2026
Magnum Mining and Exploration Limited has initiated a large-scale auger drilling program at its Piracanjuba prospect within the Azimuth Rare Earth Element Project in Brazil, aiming to define an Exploration Target and a JORC Mineral Resource Estimate by late 2026.
Maxwell Dee
Maxwell Dee
10 Apr 2026
St George Mining Limited (ASX: SGQ) has announced exceptional diamond drilling results from its Araxá Rare Earths and Niobium Project in Brazil, including the thickest intercept to date of 178.7m at 4.34% TREO and 0.75% Nb2O5 from surface. These results reinforce Araxá's status as a world-class undeveloped resource with potential for dual revenue streams from rare earths and niobium.
Maxwell Dee
Maxwell Dee
7 Apr 2026

Browse the archive

Full archive