THE DRILL SERGEANT: RareX Limited (ASX: REE) has been encouraged by initial results from an initial phase of 1500m of reverse circulation (RC) drilling at the company’s Cummins Range rare earths project in the Kimberley region of Western Australia.
RareX explained the RC drilling was designed to test both the company’s geological interpretation prior to the commencement of the diamond drilling and to test areas for new mineralised trends.
“The program has proven to be successful on both counts, highlighting the exceptional scope to grow the Cummins Range Mineral Resource,” RareX said in its ASX announcement.
“Drilling on the north-western end of the Main Fault Zone exceeded expectations and has intersected wide zones of high-grade rare earths.”
The drilling returned a cumulative down-hole width of 88 metres in hole CRX0063, including a higher-grade zone of 41m at 2.4 per cent total rare earth oxide (TREO) and 0.51 per cent niobium (Nb205), including 10m at 4.1 per cent TREO and 0.74 per cent Nb2O5 in the interpreted Main Fault position.
A secondary zone below this also intersected 28m at 0.8 per cent TREO and 0.24 per cent Nb2O5 in fresh rock to the end-of-hole.
“The holes were drilled perpendicular to the Main Fault at 50 degrees azimuth and, from geological interpretations, the drilled intersections are true width,” RareX added.
“A follow-up diamond drill hole is being planned to test for mineralisation down-dip of this intercept.
“Diamond drilling down-dip of these high-grade intercepts will assist the Company’s geological team to better understand the geological controls on the Main Fault Zone and to target further diamond drill holes.”
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