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Resource Development Group Ltd (ASX:RDG) has provided an update to the mineral resource estimate (MRE) for its Ant Hill manganese project in Western Australia, reporting a tonnage increase from 3.1 million tonnes (Mt) to 8.58 million tonnes.
Of that total, 4.48Mt is in the indicated category – 17.88% manganese, 25.97% iron, and 23.66% silicon dioxide – with an additional 4.10Mt inferred (18% manganese, 24.7% iron and 25.2% silicon dioxide).
The project, which is close to Nullagine in WA’s northwest, has yet to be fully drilled across the mesa outcrop which forms the basis of its deposit, but the company expects similar grades are likely to be found in undrilled areas.
RDG said the increase in tonnage was partly due to the fact this MRE included areas outside of the pit optimisation shell which had provided the main data for the last estimate in December 2019. This time, new zones – particularly in the Northern Area – were also reported.
Drilling work comprising 744 holes (mostly reverse circulation (RC), but also diamond and closely spaced ‘grade control’ type) has been progressed.
RDG has been trading at 1.8 cents.
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