New assays from a recently completed soil sampling program by Intra Energy Corporation Ltd (ASX:IEC) at the Maggie Hays Hill Project in Western Australia’s Lake Johnston Greenstone Belt, have identified further compelling lithium anomalies.
The key lithium anomaly is 2,500 metres in length and 300 metres wide and a second is 1,300 metres long by 300 metres wide. The results feature lithium values of up to 248ppm lithium oxide, associated with tantalum and caesium.
“We are very pleased with the results of the final part of the soil program at Maggie Hays, which has delineated two new compelling lithium targets that are also highly anomalous in caesium and tantalum, key pathfinder elements used to identify pegmatites in the spodumene enrichment zone,” said Intra Energy managing director Ben Dunn.
“The new large-scale lithium targets extend over strike lengths of 2,500 metres and 1,300 metres respectively. IEC has now identified multiple lithium targets and has scheduled a drilling program for the June quarter.”
Maggie Hays Hill Project is adjacent to the Maggie Hays mine, processing infrastructure and camp recently acquired by Mineral Resources as a regional lithium processing hub.
The project is also 25 kilometres north of the Burmeister Spodumene deposit held by TG Metals and 25 kilometres northwest of the Medcalf Spodumene deposit held by Charger Metals Ltd and Rio Tinto (ASX:RIO).
New anomalies
The final 754 assay results from the recent soil geochemical program have identified two new, large-scale, high-priority lithium anomalies at the southern end of the tenement.
The company says that the Maggie Hays Hill lithium anomaly, which spans around 2,500 metres by 300 metres, is strongly associated with outcropping fertile late-stage pegmatites deposited in dilational fractures mainly within mafic amphibolites.
The Lake Hope anomaly (approximate area 1,300 by 300 metres) is associated with the internal boundary between low-lying intrusive granites which is obscured by surficial lake sediments but is observed in the radiometric data.
Southern end of tenement E63/2039 highlighting the strong association between lithium - tantalum assay results and mapped outcropping pegmatites covering 2,500 metres of strike at the MHH lithium anomaly.
Both new lithium anomalies are associated with highly anomalous lithium values and elevated tantalum and caesium, pathfinder elements normally found in the lithium enrichment zone in pegmatites.
Pegmatite rock chip samples, previously reported from the Maggie Hays Hil lithium anomaly location, contain very high levels of tantalum and one specimen contained spodumene crystals.
Next steps
The company has scheduled an RC drilling program for the current quarter, subject to timely heritage and regulatory approvals.
It is now actively engaging with the Ngadju Native Title Aboriginal Corporation to complete a heritage survey as soon as practicable to enable access tracks and drilling pads to be prepared.
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