Results of up to 9 metres at 4.8 g/t gold from 213 metres have been received from recent drilling.
There were 16 reverse circulation holes drilled for 2,924.3 metres and two diamond holes for 168.3 metres.
All holes intersected gold mineralisation confirming the presence of an extensive mineralisation system.
This extends for a strike length of more than 500 metres, which remains open to the north and south, and at depth.
Other results include 8 metres at 2.6 g/t gold from 81 metres, 11 metres at 2.9 g/t from 120 metres, 10 metres at 2.6 g/t from 115 metres and 5 metres at 3.1 g/t from 137 metres.
Potential for major Garden Gully discovery
Results continue to support the potential for a major new discovery at Garden Gully.
Thundelarra began exploring Garden Gully in mid-2016 and to date almost 26,000 metres of drilling has been completed in 141 holes.
The project covers 78 square kilometres in the Doolgunna region, 20 kilometres from the town of Meekatharra in the state’s Murchison province.
Prospects targeted in recent drilling are Crown Prince, Crown, Lydia, Battery and Transylvania.
Other prospects within the project include Ascuns, Young, Granite Well and NW Granite Well.
Infill drilling program
The infill drilling on the most recent campaign was within the north-western part of the main Lydia shear zone.
The program of work submitted and approved was designed to test a possible extension of mineralisation towards the northwest.
Structural data from one of the holes indicates a plunge and down-dip extension of the mineralisation towards the southwest.
Deep drilling is planned
As the approved program did not contemplate this revised geological understanding, no deep drilling could be undertaken.
A new works program must be submitted and approved before these newly interpreted extensions can be tested.
The next phase of work will involve stepping collars back to the southwest along the extent of the shear zone.
Holes will be drilled deeper to test for extensions and continuity beneath the mineralisation discovered to date.
Initial resource in the pipeline
Infill holes will also be drilled, potentially at 25 metre spacing, as a basis for an initial resource calculation.
Garden Gully is a proven source of high-grade gold with 21,000 ounces produced historically at a grade of 21 g/t.
Gold was only sourced from maximum depths of 120 metres, which provides Thundelarra with potential for deposits at depth.