Australasian Metals Limited (ASX: A8G) has identified further lithium mineralisation at the Mt Peake Lithium Project, in the Northern Arunta pegmatite province, Northern Territory, Australia.
“Our sampling programme and mapping is continuing to generate encouraging results and we are greatly increasing our understanding of the different phases of intrusion in this area,” Managing Director, Dr Qingtao Zeng, said.
“Our geologists have identified lithium mineralisation on every sampling survey to date and the latest >1.0% Li2O rock chip sample gives us increasing confidence on the lithium enrichment within our tenements.
“The high lithium content indicates that the pegmatites in our area have fractionated enough to concentrate up lithium and related elements and there could be several parallel lithium-bearing pegmatite dykes in shallow depth waiting for us to drill.”
Dr Zeng said dutcropping bedrock in the northwest corner of EL32830 is rare due to the dominant alluvial cover, which provides limited access to probe the geology directly.
“With our ongoing field mapping and sampling surveys, the company has again confirmed lithium mineralisation in the surface through another sample (MP10127) with 1.15% Li2O and 226 ppm.
“This is consistent with the previously reported JC-001 sample which contained 1.61% Li2O and 223 ppm Ta. MP10127 was taken ~800m to the southeast of JC001. The exact relationship between these two mineralised samples is still unknown due to the limited outcrop and will be a focus of investigation in the near future.”
Diamantina Laboratories were engaged for a petrological study on sample MP10127. One of the minerals identified was montebrasite (LiAl(PO4) (OH,F)) a lithium phosphate that is amenable to processing to produce a saleable product.
Next Steps
• Soil geochemistry will be infilled around the areas of anomalism and will also be extended to the south-east to cover the area sample MP10127 was taken.
• Rock chip sampling will be ongoing across the project where there is outcrop exposure.
• Soil and rock chip geochemistry will be combined with the previously conducted Deep Ground Penetrating Radar survey to develop a more complete understanding of the geology and mineralisation.
• Work has begun on the submission of a Mine Management Plan in order to obtain authorisation under the Mining Management Act (NT) to carry out activities that could lead to significant disturbances. This will enable the company to conduct drilling activities.
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