The Perseverance orebody is at the stratigraphic base of the ultramafic complex and is composed of high grade massive and heavily disseminated sulphides, within an extensive sheet of weak sulphides similar to the ore at Mt Keith. The massive sulphides display strong tectonite fabrics and are located in a structurally complex position within the weakly mineralised zone, occurring as a series of steeply dipping, north striking, individual, fault bounded sheets that are the result of physical remobilisation into fault related lodes and dilatant fold hinges. The same structures have divided the main disseminated mineralisation into a series of vertically stacked imbricate lenses. The enveloping disseminated sulphides form a distinct shoot plunging at 70° to the south to more than 1100 m below surface. In contrast the individual structurally controlled massive sulphides shoots strike north and dip steeply to the west.
The heavily disseminated ores of the central zone at Perseverance consistently contain >1.5% Ni (>20 vol.% sulphides) with sulphide aggregates that have a consistent net or semi-net texture and ~4:1 pyrrhotiteentlandite ratio. The central zone is flanked by the marginal zone which displays systematic decimetre to metre scale layering defined by variations in sulphide content from pyrrhotite to pentlandite dominant bands. These two higher grade zones (the central and marginal) are enclosed by the lower grade dissemination sheet which consists of weakly disseminated sulphides typically containing 0.5 to 0.7% Ni and <5 vol.% sulphides, characterised by lobate aggregates of pyrrhotiteentlandite (<2:1)
This deep hole that is being drilled seems to be placed at a point where the fault and the enormous "Mulga Monster" EM anomaly coincide . Could it be a "Structurally Complex Position" that is being probed at this "Pivotal" point it time .
ASX public holiday (NSW) tomorrow but I am assuming ongoing drilling in WA (thanks guys) .
Very excited buster of crusts here.
I don't know,
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