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Lanthanein Resources Ltd (ASX: LNR) (Lanthanein or the Company) is pleased to announce the brightness results from the first pass Aircore drilling program at Koolya Kaolin Project in Western Australia (Koolya Project). A wide spaced drill program completed in December 2022, with drillholes spaced 500m apart, covered 15km of prospective kaolin rich granite and intersected widespread kaolin of varying thickness, with a best result of 30m thick bright white kaolin from 4m depth (KAC014).
- Brightness (ISO B) analysis completed with exceptional results up to 94.57% (sample KAC543)
- Kaolin assays show very low contained deleterious elements
- Best visual result of 30m of kaolin from 4m depth in KAC014 (see Figure 1 below)
- XRD analysis to define Kaolinite/Halloysite content to be completed Q2, 2023
- Anomalous Rare Earth vales of up to 1220pmm TREO
Figure 1. High quality Kaolin intersected 30m of bright white kaolin from 4m depth (KAC014).
Mr Brian Thomas, Lanthanein Technical Director commented “The exceptional brightness results in samples from our first pass Aircore drilling at Koolya Project is a great result. There is a significant areal extent of high quality bright white kaolin to support the potential for a significant kaolin resource and high purity alumina feedstock project to be delineated with further drilling.
These recent results are in line with our expectations following the exceptional visual results in drill samples. High purity kaolin is of growing importance as a critical feedstock in the processing of High Purity Alumina (HPA) which is being used in Li‐ion batteries, LED lighting, Semiconductors and Sapphire glass. Samples are also currently being analysed by X‐Ray Diffraction (XRD) to quantify the Kaolinite/Halloysite content. Halloysite can be used in nano technologies for a range of industry applications including carbon sequestration, agriculture, energy, and health.
We are also greatly encouraged by the presence of REEs with values of up to 1220ppm TREO. Exploring for critical minerals and rare earths is of paramount importance for our company as we aim to find the future facing minerals used in the global clean energy transition.”
Analysis was completed on the samples to quantify the specific characteristics (Table 1) such as ISO Brightness, Alumina content, and rare earth elements (REE). Further analysis will be undertaken to better quantify the presence of Kaolinite and Halloysite using XRD analysis. A total of 10 samples had ISO‐Brightness > 79.35 and four samples > 800ppm TREO (Table 1 and 2).
Following these positive results further infill and step out drilling will be undertaken in Q2 & 3 to assist with the generation a mineral resource estimate by Q4, 2023.
Figure 2. Koolya Project location showing the Trans Railway line running through southern area of project.
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