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Archer Materials drilling confirms near-surface kaolin at Franklyn project

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Archer Materials Ltd - Archer Materials drilling confirms near-surface kaolin at Franklyn project
Rock chip samples from one-metre intervals in three drill holes.

Archer Materials Ltd (ASX:AXE) has confirmed the presence of near-surface kaolin mineralisation in drilling of the Franklyn Halloysite-Kaolin Project in South Australia.

The results have upgraded the kaolin potential of the project, which is around 220 kilometres north of Adelaide, while the company also hopes the halloysite potential will be improved.

There were 21 aircore holes were drilled for 676 drill metres and an average depth of 32 metres per hole with most intersecting the target mineralisation.

Intervals in excess of 30% alumina were received for -20µm screened fractions with a cluster of five holes returning grades above 36%.

Kaolin closer to surface

This program was originally designed to drill 18 holes to an average depth of 47 metres but the kaolin was found to be closer to the surface than originally anticipated meaning that shallower drill holes were required.

All holes were drilled adjacent to or on existing tracks to avoid the need to excavate new tracks and minimise costs.

Kaolin mineralisation at Franklyn covers an extensive area and the positioning of the existing tracks allowed Archer to drill test the weathered granite that forms the kaolin mineralisation.

Consistent with previous results

The samples collected by Archer appear to be consistent with the results from early explorers and confirm the presence of the previously discovered kaolin mineralisation.

As well as confirming this, the program has provided samples for halloysite determination, the analysis of which is ongoing.

Archer considers that the intervals above 30% alumina are significant at this early stage of exploration.

Summary of screened assay results for Franklyn Halloysite-Kaolin Project drilling.

Halloysite tests

Composite bulk samples have been prepared and submitted for XRD testing to determine halloysite content.

Archer expects to receive and report the results from the halloysite test work in the next four weeks.

Depending on the outcome of this work the individual metre intervals from the composite samples being reported will be submitted for follow-up work.

Taken with the pending halloysite results, the upgrade of kaolin will be an area for the future focus of exploration.

Exploration target

Archer has calculated an exploration target at the Franklyn project of 45–91 million tonnes at a grade of 30–36% alumina (-45 µm size fraction).

This target is in addition to the Eyre Peninsula Kaolin Project exploration target of 55-130 million tonnes at a grade of 33–36% alumina (-53 µm size fraction).

The potential quantity and grade of the exploration targets are conceptual in nature.

There has been insufficient exploration to estimate a resource and it is uncertain if further exploration will result in the estimation of a resource at Franklyn or Eyre Peninsula.

A submission has been made to the government regulator regarding undertaking a similar type of drill program at targets on the Eyre Peninsula, with additional landowner approvals being sought.

It is anticipated that this program will be completed within the first quarter of 2020.

Archer is a materials technology company developing materials in quantum computing, biotechnology,

and lithium-ion batteries as well as exploring for minerals that would support this work.

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