Recharge Metals Limited (ASX: REC) has intersected zones of massive sulphides, blebby sulphides and disseminated sulphide mineralisation in diamond drilling activities at the Brandy Hill South Project located within the Archaean Gullewa Greenstone Belt in Western Australia.
Two diamond drillholes have now been completed for a combined total of 843.8m. BHRCD027 and BHRCD028 are the first holes that Recharge has collared west of the Salt Creek Shear and were designed to test the modelled DHTEM conductor (BHD026-3).
Both holes intercepted a mafic-ultramafic complex, intruded by felsic porphyry, including extensive zones of massive, semi- massive to disseminated sulphides within holes BHRCD027 and BHRCD028.
The zones of massive sulphides, blebby sulphides and disseminated sulphide mineralisation broadly coincided with the location of the position of the high-order conductor (~7,000 siemen) BHD026-3.
Recharge is currently completing the remaining three holes testing other DHTEM modelled conductors.
“Recharge is very pleased to announce the successful interception of the modelled DHTEM conductor (BHD026-3) including extensive zones of massive, semi- massive to disseminated pyrite, chalcopyrite and pyrrhotite.
“Significantly, both holes were collared in untested ground west of the Salt Creek Shear – a great result for Recharge.
“We now look forward to completing three further diamond holes testing the remaining DHTEM conductor and receiving the assay results from the eight pre-collar holes.”
Five (5) diamond holes were designed to test the two high-order conductors (2,400 siemens and 7,000 siemens) identified from drillhole BHD026 and other DHTEM conductors identified from drillhole BHRC017.”
BHRCD027 was completed to a depth of 450.5m. Preliminary observations of the drill core identified the following stratigraphic sequence;
I. ultramafic lithologies (komatiitic basalts to dunites) to 368.9m,
II. 368.9 to 395.82m – strongly pyrite-pyrrhotite-chalcopyrite mineralised felsic porphyry (the potential source of the DTEM anomaly),
III. 395.82 to 439.00m – well laminated to bedded tuffaceous sediments including BIF, and
IV. 439.0 to 450.50m – gabbro (End of Hole)
All lithologies were variably foliated (weak to strong) and altered (K-metasomatised). Mineralisation consisting dominantly of pyrite-pyrrhotite-chalcopyrite was also variable but the best host to mineralisation is logged as a felsic porphyry. Mineralisation is hosted by quartz stockwork veining as disseminations to blebby aggregates and veins.
BHD028 was drilled to a depth of 393.3m. Preliminary observations from the drill core identified following stratigraphic sequence,
I. Mafic and ultramafic lithologies (komatiitic basalts to gabbro) to 163.8m,
II. 163.38 to 167.80m – strongly pyrite-pyrrhotite-chalcopyrite mineralised massive sulphide
III. 167.80 to 393.3– Mafic and ultramafic lithologies (gabbro, porphrytic basalts, and komatiite) (End of Hole)
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