Kairos Minerals Ltd (ASX: KAI) has received multi-element results for all 18 drill holes from its Lucky Sump RC drilling at the 100%-owned Mt York Project in the Pilbara Region of Western Australia.
“The Lucky Sump drill results have shown extremely enriched values of tantalum over 7.0m in drill hole KMYC216 that was targeting surface spodumene (lithium) pegmatites grading up to 1.91% Li2O1,” Managing Director, Dr Peter Turner, said.
“We have mapped more pegmatites north-west of Lucky Sump at our Zakanaka Prospect within the fertile LCT-pegmatite zone and will continue to map the northern licence around our Iron Stirrup pit where significant lithium soil anomalies occur 1 km to the east of Pilbara Minerals’ Pilgangoora pits.
“While we continue to do the necessary fieldwork at Mt York for lithium, we are also driving forward with lithium exploration at our Roe Hills Project, 100km east of Kalgoorlie in a developing lithium district hosting the significant Manna Li-Ta deposit.
“Kairos has begun extensional and infill deep soil sampling over our Roe Hills North area close to the Manna Li-Ta deposit bordering the Cardunia syenogranite and infilling our numerous surface lithium anomalies including our significant 2,600m long Li-Cs-Be Black Cat anomaly where drilling is expected in H1, 2023.”
Dr Turner said the drilling results from these 18 holes indicate very high tantalum values in the thickest intersected pegmatite in hole KMYC216 immediately under Lucky Sump where spodumene-bearing pegmatite samples grading up to 1.91% Li2O were previously sampled and reported from surface.
The tantalum values were extraordinarily high. The best result was 7.0m @ 605 ppm Ta from 49m including 1.0m @ 2,143 ppm Ta from 53m in KMYC216 with corresponding lithium values of 7.0m @ 146 ppm Li (0.03% Li2O).
KMYC216 was drilled below Lucky Sump where the discovery was made of five surface rock chip samples that returned values of 1.91%, 1.56%, 0.58%, 0.16% and 0.04% Li2O1. The relatively low lithium values in KMYC216 can be explained by internal zonation within the LCT pegmatite(s) that have been intersected at depth.
Further pegmatites have been mapped northwest of Lucky Sump towards Zakanaka and the northern licence will be mapped in the 2023 field season where the re-processed soil geochemistry shows a number of high-priority lithium targets which may correspond to spodumene-bearing pegmatites only 1km to the east of the Pilgangoora Lithium Mine.
Drill-testing of any new pegmatites is envisaged at the end of H1, 2023.
Interestingly, several significant gold values (1.0m @ 2.18 g/t Au from 122m in KMYC213; 1.0m @ 2.66 g/t Au from 66m in KMYC214 & 12m @ 0.46 g/t Au from 140m in KMYC226) were reported adjacent to pegmatites raising the possibility that Lucky Sump is not only prospective for Lithium-Caesium-Tantalum (LCT) pegmatites but also gold in extensional zones close to the Mt York Gold Project that is close by.
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