Radar Iron (ASX: RAD) has identified a number of new hematite mineralisation targets at its Johnston Range Project that require further drill testing and will also start a new drilling campaign this month.
The new targets were identified following receipt of all assays from the reverse circulation drilling campaign completed in August where 117 holes totalling 6406 metres were drilled to better define the Muldoon resource and first pass testing of a number of prospects in the Johnston Range area.
Seven holes were completed in a new area containing at least three separate banded iron formation (BIF) units. Four of these holes returned significant mineralised intercepts – the best being 22 metres at 56.9% iron. This BIF unit has been mapped as extending over 500 metres.
The Muldoon East prospect also returned anomalous results that were patchy in nature. Potential exists to identify a number of discrete zones of mineralisation along the trend. Drilling is scheduled to commence after further interpretation.
Other isolated intercepts provide encouragement that further drill testing will prove up potential DSO quality mineralisation.
Near the northern end of Muldoon drilling at a 200 metre long BIF returned a best intercept of 12 metres at 55.1% iron while to the north of Muldoon (Rowling and Shipley Prospects), an 8 kilometre extent of multiple BIF outcrop with numerous zones of anomalous hematite enrichment has been identified.
The largest new zone of potential mineralisation lies about 3 kilometres to the north of Muldoon and is a 700 metre long outcrop of BIF in which a single hole returned 14 metres at 54.4% iron. Intercepts of 14 metres at 54.7% iron and 6 metres at 55.4% iron were received a further 3 kilometres north on a 200 metres long BIF outcrop (Figure 4).
The drilling campaign also provided better definition of the existing Muldoon mineralisation, indicating a greater thickness to the south than previously recognised.
This could result in an increased resource from the current JORC Inferred Resource of 2.1 million tonnes at 57.6% iron once further geological modelling is undertaken.
The drilling also made a number of encouraging isolated intercepts that provide further possible targets.
Managing director Jonathan Lea said Radar is maintaining its focus on becoming a hematite producer when the Port of Esperance is expanded.
“In addition to the ongoing exploration and drilling programs, a number of studies are continuing in order to meet requirements for mine planning and project approval.”
New drilling campaign
Radar’s September drilling campaign is designed to test existing targets at Johnston Range and also at first pass testing of a number of prospects in the Evanston and Jackson project areas.
This will further define the hematite resource in the Johnston range area .
Following ground magnetic surveying and targeting using all available information, a number of areas in the Evanston and Jackson Project areas will be targeted and prioritised for first pass drill testing.
The drilling is focussed solely on testing the hematite potential of these targets.
Radar has also acquired a new 9 square kilometre tenement near the apex of the Johnston Range syncline in a structurally favourable setting.
E77/1961, within the Johnston Range Project area (Figure 5), contains 18 widely spaced reverse circulation drill holes that were completed by a previous explorer.
The best result was 10 metres at 58.6% iron from 8 metres down hole.
The banded iron in the tenement exhibits substantial folding and faulting and hence lies in a structurally attractive zone for mineralisation. The tenement is perceived as having the potential for a similar mineralisation style to the Muldoon prospect and drill hole targeting will be undertaken in coming months.
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