OUR PROJECTS/

Nicholson Project

Located in the renowned Carpentaria Zinc Province of north-west Queensland, the Nicholson Project stands as a high-potential Tier 1 exploration endeavour for lead-zinc deposits. This province, stretching from Mount Isa in Queensland to McArthur River in the Northern Territory, is celebrated as one of the globe's premier mineral domains, harbouring 20% of the global zinc resources. The project has significant benefits, potentially yielding vast quantities of lead, zinc, and silver, which are critical components in various industrial, energy, and technological applications. At this time, further work has been paused as the Company’s activities are focused on the Greenvale Project area.

Project Outline

  • The province is a significant source of metals, with major operations like McArthur River (zinc and lead), Mount Isa (copper, lead, zinc, and silver), and others contributing substantially to metal production. The Nicholson Project, through recent endeavours by Superior, has validated the presence of SEDEX-type lead-zinc-silver deposits, akin to those at Mount Isa and McArthur River, underscoring the project’s Tier 1 potential. 
  • The Nicholson Project, fully owned (100%), is a comprehensive exploration initiative focusing on a range of valuable minerals, including lead, zinc, silver, with potential for copper and cobalt, as well as uranium. 

The project’s highlights include:

  • Eight plus Tier 1 potential EM targets: Characterised by Mount Isa Style mineralization, these targets offer significant potential for lead, zinc, and silver deposits.
  • Walford Creek West: This area is indicative of Mount Isa Style mineralization, with a focus on sulphide deposits containing copper, lead, zinc, and cobalt.
  • Hedleys Uranium: Dedicated to uranium exploration, this part of the project underscores the diverse mineral potential within the Nicholson Project area.
Nicholson
The Carpentaria Zinc Province, with the Nicholson and Victor Project tenements in green.

Regional setting

  • Situated within the east-northeast trending Hedleys Graben, the Nicholson Project benefits from a geological setting conducive to large base metal deposits. The Fickling Group sediments within this graben share temporal similarities with those hosting significant deposits at Mount Isa and Macarthur River, highlighting the Mount Les Siltstone and Doomadgee Formation as prospective targets for exploration. 
  • Exploratory efforts have unveiled at least eight high-priority geophysical targets, indicative of the potential presence of significant stratiform base metal deposits. The project’s scope also extends to the Walford Creek West Zinc-Lead-Copper-Cobalt Prospect and the Hedleys Uranium Prospect, further diversifying its mineral potential.
Nicholson
Nicholson Project tenements and key prospect locations overlaid on regional geology.

High priority EM conductivity anomalies

  • A comprehensive airborne VTEM survey, reinterpreted in late 2018, pinpointed several conductivity targets comparable in scale to the McArthur River or Century deposits. This reevaluation has sharpened the focus on these areas, suggesting substantial SEDEX-style mineralization potential.

Drilling program – 2019

  • Superior’s strategic drilling in 2019, particularly in the Nicholson West target area, revealed promising zinc and lead mineralization. This drilling, part of an earn-in and joint venture with South32, has elevated the project’s prospectivity for hosting a significant SEDEX system. Despite South32’s withdrawal in early 2020, several prime targets remain unexplored, promising further exploration opportunities.
Nicholson
Schematic cross section of a typical northern Australian stratiform zinc-lead-silver deposit showing multiple ore lens horizons at or near the source of hydrothermal mineralising fluids and an apron of diminishing stratiform sulphide mineralisation away from the fluid source zone (Large et al., 2005). The interpreted position of the Nicholson West holes (NWDD001 and NWDD002) relative to the schematic representation of a SEDEX deposit system is also shown.

The Company considers that the 2019 drilling has upgraded the potential of the project to host a large base metal deposit. Several highest priority targets are yet to be drilled.  South32 withdrew from the joint venture on 4 March 2020.

Walford South

  • The Walford South target, characterised by coinciding VTEM, gravity, and AMT anomalies, lies near crucial fault structures. Historical drilling intersected promising stratiform pyritic shale, with geophysical modelling suggesting the potential for significant sulphide mineralization related to hydrothermal fluids. This target remains a high-priority for upcoming drilling campaigns, aiming to uncover Mount Isa style mineralization.
  • The Nicholson Project continues to solidify its position as a key player in the quest for the next significant Mount Isa style discovery within the Carpentaria Zinc Province. With a portfolio of drill-ready targets and a landscape ripe for exploration, Superior’s systematic review and planning of the geophysical data underscore the untapped potential of this region. The project, marked by its Tier 1 potential and diverse mineral prospects, is poised for significant developments in the exploration of lead-zinc-silver and other base metals within this underexplored yet highly prospective territory.
  • Activities have been paused as the Company focuses on the Greenvale Project area.
Nicholson
Well-developed stratiform pyritic shale intersected within Mount Les Siltstone from historical drilling of the Walford South VTEM anomaly by Superior Resources Limited.
Nicholson
Walford South gravity anomaly and AMT anomalies. Significant northwest and east-west trending interpreted fault structures are delineated with dashed blue lines.

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