Green Technology Metals Ltd (ASX:GT1, OTC:GTMLF) has enhanced the confidence of its flagship Seymour Lithium Project in Canada through an updated mineral resource estimate (MRE) that has increased the total resource by 13% in the indicated category to 10.3 million tonnes at 1.03% lithium oxide.
The updated MRE incorporates additions to the resources at the North Aubry and South Aubry deposits, where 163 diamond drill holes for 34,728 metres were completed and 47 holes for 15,210 metres were used to update the mineral resource.
This brings the combined global resource base across the company’s eastern and western hubs in Ontario to 24.9 million tonnes at 1.13% lithium oxide, with the potential for more after the completion of a 58-hole diamond drilling program currently underway at both the deposits.
The Canada-focused multi-asset lithium business has drilled 13 holes for 3,000 metres, with assays pending.
The North and South Aubry MRE.
Upgrade potential
“We are pleased with the mineral resource and confidence increase to our flagship Seymour Project, a result of a refined geological interpretation,” GT1 chief executive officer Luke Cox said.
“We eagerly anticipate further enhancements to the resource as we continue our ongoing +7,000-metre drilling program and with the commencement of drilling at the newly acquired Junior Lithium Project in Q1 2024.”
Project underexplored
The North and South Aubry deposits make up the two principal areas of the Seymour Project, which is near the township of Armstrong and approximately 230 kilometres north of the port city of Thunder Bay.
The project features nine interpreted stacked pegmatite units of varying thicknesses — seven in North Aubry and two in South Aubry — and is largely underexplored.
The northern area of the deposit spans a maximum horizontal extent of 800 metres and is 390 metre wide.
Drilling by GT1 has already extended the North Aubry deposit by more than 350 metres from the deepest previous drill holes in the area.
South Aubry consists of an upper and a lower pegmatite extending up to 740 metres.
Pegmatites here have varying thickness, from under 1 metre to 22 metres, with a maximum depth of 130 metres below surface.
Aubry pegmatites viewed from the northwest.
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