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- Geophysical survey confirms sediment depths up to 50m
- Ground penetrating radar identifies multiple new source-to-sink valleys for future exploration
- Twenty-one GPR survey lines completed across five priority shoreline target areas
- Multiple newly identified sediment-filled valleys interpreted
Dalaroo Metals (ASX:DAL) has identified critical minerals exploration potential with the successful completion of independent surveys across the Blue Lagoon rare earth project in southern Greenland.
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CEO, John Morgan, said the Ground Penetrating Radar (GPR) and Single Beam Echo Sounder (SBES) surveys represent a major step in defining the scale, geometry and continuity of the Blue Lagoon sedimentary basin, providing the first comprehensive three-dimensional understanding of the rare earth-bearing system.
“The completion of this independent geophysical survey marks another significant milestone in the systematic advancement of the Blue Lagoon rare earth project,” Mr Morgan said.
“Our 2025 exploration program confirmed widespread rare earth mineralisation within shoreline sediments. This latest work now demonstrates that those sedimentary environments are substantially thicker than originally understood, with sediment accumulations extending to approximately 50 metres in several priority areas.
“Importantly, the survey has done much more than simply define sediment thickness. It has identified numerous previously unrecognised sediment-filled valleys extending beyond the current exploration footprint. These valleys represent additional source-to-sink pathways draining the surrounding REE-enriched alkaline granites and provide exciting new exploration opportunities well beyond the main Blue Lagoon basin.”
Mr Morgan told shareholders that together with the company’s geological mapping, surface geochemistry and ongoing mineralogical studies, the GPR results significantly strengthen its geological model and reinforce the company’s view that Blue Lagoon represents a district-scale sediment-hosted critical minerals system.
“With the geological framework now becoming increasingly well defined, our focus will turn to systematic testing of these newly identified sedimentary environments through auger drilling, bulk sampling and continued evaluation of the broader Blue Lagoon district,”he said.
“Every phase of exploration continues to strengthen our geological understanding of Blue Lagoon and increase our confidence in the scale of this emerging critical minerals system. The systematic application of geochemistry, geological mapping and geophysics is providing a strong technical foundation for the next stage of exploration.”
Exploration manager, Trystan Hughes, said the GPR survey provides Dalaroo with a significantly improved understanding of the geometry, thickness and continuity of the Blue Lagoon sedimentary basin.
“The GPR survey has significantly advanced our understanding of the Blue Lagoon sedimentary system and has provided valuable information that simply could not be obtained through surface mapping alone,” he said.
“From a geological perspective, one of the most encouraging outcomes is the confirmation that several shoreline environments contain thick sediment accumulations extending to approximately 50 metres. This provides important evidence that the basin has the capacity to preserve substantial volumes of sediment capable of hosting heavy mineral concentrations.
“Equally exciting has been the recognition of numerous sediment-filled valleys extending from the surrounding alkaline granite terrain into the Blue Lagoon basin. During the field season, geological mapping identified many of these eastern valleys as important drainage systems transporting weathered material from the fertile source granites.”
DAL was down 4.48% to 6.4¢. Mkt cap $22.12M.
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