Superior Resources Limited (ASX:SPQ) has commenced its 2022 diamond drilling programme at its Bottletree Copper Prospect, located within the company’s 100%-owned Greenvale Project in Queensland.
The programme comprises initially eight deep diamond holes for a total of 3,700 metres. The drill holes are targeting the core of at least one large interpreted Cu-Au-Mo porphyry system that is coincident with a 1.5km x 1km soil copper anomaly and a 1km-wide induced polarisation (IP) chargeability anomaly.
The first hole, BTDD005, has been collared 300m to the west of BTDD004, which was completed in 2021. BTDD004 was drilled to 658.9m and returned an impressive main copper zone of 224m @ 0.40% Cu, 0.05g/t Au, 0.9ppm Ag, 3.5ppm Mo (molybdenum) within an overall mineralised zone of 632m @ 0.21% Cu, 0.03g/t Au, 0.60ppm Ag, 18.0ppm Mo.
Core from BTDD004 is variably mineralised with quartz-chalcopyrite vein sets and disseminated chalcopyrite including the strongly mineralised 224m interval. S
ystematic drilling during 2018 and 2021 targeted the most intense IP chargeability anomaly, which is now considered to represent structurally-controlled mineralisation that is distal to at least one large Cu-Au-Mo mineralised porphyry system.
Although considered distal to a core porphyry system, significant amounts of copper mineralisation exists, with hole BTDD001 (collared 500m east of BTDD004) returning an overall intersection of 552.6m @ 0.16% Cu, 0.02g/t Au, 0.7g/t Ag from 132m to the end of hole at 684.6m.
Structural information from the extensive mineralisation in BTDD004, together with multi-element soil geochemistry data, detailed surface alteration mapping and remodelled IP data, indicate that the core of a buried porphyry system lies to the west of BTDD004, where better mineralisation is expected.
The current programme will test high priority porphyry core targets as well extensive near-surface copper mineralisation that appear to be associated with several interpreted buried porphyry intrusions.
“We have just commenced the company’s most anticipated and exciting drilling programme, targeting what we interpret to be the core zones of multiple copper-gold-molybdenum porphyry intrusions,” Managing Director, Peter Hwang, said.
“We have reached this point after only two diamond drilling programs. Notably, last year’s program provided numerous ground-breaking findings, including drill hole intersections of very extensive porphyry-style copper-gold mineralisation.
“Our step-by-step approach to this program focuses initially on a compelling and strong central zone of copper-gold-molybdenum soil anomalism, which is supported by a newly remodelled large chargeability anomaly, airborne magnetics and satellite imagery-interpreted intrusion centres.
“All of this sits down-dip and behind the massive 632 metres of copper mineralisation returned from BTDD004.
“However, the chargeability anomaly is large and extends for about one kilometre, so apart from having very large size potential, we do have a lot of ground to cover.
“Apart from the drilling, we will also be extending last year’s multi-element soil geochemistry program westwards as indications are that porphyry mineralisation extends significantly further than the 1.5 kilometre soil copper zone that originally defined Bottletree.
“We will also be extending the MIMDAS IP survey to cover the expanded prospect area.
“We have an exciting few months ahead of us and we will be updating the market regularly as we receive significant visual and laboratory results.”
For further information please visit: https://www.superiorresources.com.au/
