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Diatreme Resources confirms Galalar's potential to become source of premium silica

Recent laboratory results have confirmed the project's resource grade, quality and continuity.

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Galalar is 200 kilometres north of Cairns in the same dune system as Cape Flattery silica mine

Diatreme Resources Limited (ASX:DRX) has received new test results from its Galalar Silica Project, confirming the potential to become a source of premium-grade silica for growing Asian markets.

Recent testing showed the project can meet the exacting specifications of high-end manufacturers and processors, including grain size being in a 30–120 mesh size range and iron content below 100ppm.

This low iron level is in high demand by manufacturers with limited available producers of significant volumes.

99% silica grade

The average down-hole grade was 99% silica with iron and titanium minerals exceptionally low, averaging 0.1%.

Excellent recovery rates were obtained for the final product of around 79% from raw sand feed and showed the potential to obtain secondary, high-value heavy mineral sands (HMS) by-product streams during mining, adding to the project's value.

New data adds confidence

Diatreme CEO Neil McIntyre said: “This new data further adds to our confidence in Galalar’s potential to become a source of valuable premium-grade silica.

“We look forward to progressing this further, working closely with our partners and traditional owners, Hopevale Congress and other stakeholders to ensure maximum benefits for the local community.”

The new results will be used to undertake a reassessment of the project's inferred resource by independent firm Ausrocks, which will be completed later this month.

Drilling program design

The drilling program was conducted within the existing defined silica resource boundary and was designed to:

  • Increase the resource footprint and size with additional drilling to the southeast and northeast;

  •  Decrease the sample interval size to 1 metre downhole to better define the geological context;

  • Increase drill density to 50 x 100-metre spacing;

  • Measure in-situ moisture to better quantify variation in moisture downhole variation; and

  • Provide additional samples for additional bulk sample test work

- Jessica Cummins

 

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