Miramar Resources Ltd (ASX:M2R) has intersected high-grade gold mineralisation in the northernmost diamond drill hole at Glandore East within the Glandore Project in the Eastern Goldfields of Western Australia.
Thus far, in conjunction with historical drilling results, Miramar has confirmed the presence of bedrock gold mineralisation related to multiple NE-trending structures crosscutting the granodiorite/mafic contact over a strike length of around 600 metres and to a vertical depth of about 180 metres.
The highlight so far is hole GDDD007, which intersected narrow high-grade gold mineralisation of 6 metres at 1.39 g/t including 0.4 metres at 18.0 g/t from 64 metres.
GDDD007 was drilled about 75 metres north of GDDD004, which also intersected high-grade mineralisation (0.8 metres at 12.6 g/t including 0.4 metres at 23.0 g/t).
Read: Miramar Resources unearths high-grade gold up to 23 g/t in step-out drilling at Glandore East
The bedrock gold mineralisation at Glandore East underlies a large supergene gold footprint, outlined in aircore drilling over around 1 kilometre of strike, and remains open along strike and at depth.
There are no effective diamond drill holes north of GDDD007.
Glandore East showing diamond drilling and aircore gold footprint (red outline).
Pleasing results
“The initial drilling program at Glandore East has confirmed the presence of primary gold mineralisation within multiple northeast-trending structures, with four out of the six effective holes successfully intersecting high-grade bedrock gold mineralisation beneath the supergene gold layer,” Miramar executive chairman Allan Kelly said.
Kelly said Miramar was pleased with the results at Glandore East and particularly encouraged by the last hole.
“Our aim now is to locate where the volume of gold mineralisation might increase, potentially as a result of a change in rock type,” Kelly added.
“In my experience, the competency contrast between the more brittle granodiorite intrusion and the more ductile and chemically reactive mafic units, complicated by the multiple northeast-trending structures, provides an ideal setting for gold mineralisation,” he said.
“The last hole is also encouraging, as it appears to contain more extensive alteration and a wider low-grade gold halo, so we are potentially moving in the right direction.”
All diamond drilling completed by Miramar at Glandore East.
What’s next for Miramar
The initial Glandore East diamond drilling program has now been completed.
The multiple NE-trending structures remain poorly drill tested to date, especially where they enter the eastern mafic units, which are considered to be a more prospective host rock for significant gold mineralisation than the granodiorite.
As such, Miramar plans to complete a more detailed ground or UAV magnetic survey in the first quarter of 2023 to help refine the position of these structures and to aid targeting of further drill holes.