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Julimar Nickel-Copper-PGE Project

Location Avon Region, Western Australia
Development Stage Advanced Exploration - new discovery in March 2020
Acquired Staked in 2018 and subsequently expanded
Ownership 100%
Project Area >2,000km²


The 100%-owned Julimar Nickel-Copper-PGE Project was staked in early 2018 and is located ~70km north-east of Perth on private farmland and State Forest. 

The Project has direct access to major highway, rail, power and port infrastructure in one of the world’s most attractive mining jurisdictions – Western Australia.



The Project was staked as part of Chalice's global search for high-potential nickel sulphide exploration opportunities. Chalice interpreted the possible presence of an unrecognised layered mafic-ultramafic intrusive complex at Julimar based on high resolution regional magnetics. 

The large complex is interpreted to be ~26km long and has been confirmed as highly prospective for nickel, copper and platinum group elements (PGE's). Prior to Chalice, the area had never been explored for these metals, and geological mapping of the area was limited due to extensive transported cover.

Chalice interpreted two potential 'feeder' zones within the Julimar Complex as initial areas of interest, one situated at the southern end of the complex on private farmland (the Gonneville Intrusion) and the other situated mid-way along the complex within the Julimar State Forest. Exploration activities have been confined to private land only, with the approval process to gain access to the Julimar State Forest for low impact, non-ground disturbing exploration activities ongoing.

The recent discoveries by Chalice confirm Julimar is an exceptional PGE-nickel-copper-cobalt discovery within a completely new mineral province in Western Australia

Julimar Project - 3D Model - June 2020

Watch the 3D Model of the Gonneville Intrusive here.


Chalice commenced a systematic, greenfield exploration program in mid-2019 in the southern portion of the Project, on private farmland, targeting high-grade nickel, copper and PGE’s. 

An initial RC drill program commenced in Q1 2020 and resulted in the discovery of high-grade PGE-nickel-copper-cobalt mineralisation at the newly named Gonneville Intrusion. 

Five high-grade massive / matrix / heavily disseminated sulphide zones (G1-5) have been intersected to date over a ~550m x ~350m area. The discrete high-grade massive and matrix-rich PGE-Ni-Cu-Co zones comprise sulphide-rich accumulations (20-100%   sulphide). Massive-matrix sulphide intersections typically have a grade range of 3-15g/t Pd-Pt-Au, 0.5-3.3% Ni, 0.4-4.5% Cu and 0.03-0.27% Co. 

Widespread disseminated PGE-Ni-Cu mineralisation has also been intersected in many drill holes that have tested the broader footprint of the Gonneville Intrusion and this mineralisation is typically associated with low abundance of disseminated sulphides (trace to 3% on average).  

Disseminated sulphide zones intersected to date typically have a grade range of 0.5-2.0g/t PGE, 0.1-0.2% Ni, 0.05-0.15% Cu and 0.01-0.03% Co. Disseminated sulphides have been intersected down to ~450m below surface to date, and the depth extent of the Intrusion is still unknown. 

Weathering extends down to ~30-40m below surface and a well-developed saprolite profile after serpentinite contains elevated PGE grades (typically ranging from 1.2-4.5g/t PGE) from near surface to a depth of ~25m.

Early stage metallurgical testwork completed to date on selected high-grade and disseminated sulphide mineralisation samples has returned promising flotation results, giving initial encouragement that the sulphide-hosted mineralisation at Gonneville will be amenable to conventional flotation under standard conditions. 

Tests completed on a composite of oxide mineralisation samples has also returned promising results, with the extraction of PGEs and gold achieved through oxidative leaching under standard conditions. 

An airborne electromagnetic (EM) survey was recently completed over the entire Julimar Complex. Three new large EM anomalies were identified – Hartog, Baudin and Jansz. The Hartog EM Anomaly extends ~6.5km directly north of the Gonneville Intrusion into the Julimar State Forest. 

For further information including the latest assay results please click on the following ASX Announcements: 



Chalice is continuing its approach of simultaneously exploring and evaluating the zones of high-grade PGE-Ni-Cu-Co+/-Au mineralisation and the extensive PGE-Ni-Cu zones associated with disseminated sulphides within the ~1.6km x 0.8km Gonneville Intrusion. 

Ongoing and planned activities at Julimar include:


  • Resource definition drilling – a ~70,000m RC/diamond drill program is underway. Step-out drilling continues on an 80m x 80m spaced grid over the high-grade areas, with infill then to a 40m x 40m spaced grid. Drilling to a 200m x 80m spaced grid will be extended to the west over the disseminated sulphide zones to a depth of ~250m. A third RC rig is expected to mobilise to site shortly. 
  • EM Geophysics (DHEM and ground EM) – DHEM continues to play a key role in identifying potential high-grade targets for follow-up drilling and will be completed on selected holes and in areas of wide-spaced drilling. It is important to note the lack of an EM target does not preclude the presence of high-grade mineralisation, based on the drill results received to date.
  • Metallurgical testwork – A second phase of metallurgical testwork has commenced. This program will focus on rougher and differential flotation of fresh PGE-Ni-Cu-Co sulphide mineralisation and oxidative cyanide leaching of oxide Pd-Pt-Au mineralisation.
  • Geochemistry and Geochronology – the Company has engaged the Geological Survey of WA (GSWA) and a consultant specialist to conduct initial litho-geochemical and metallogenesis studies. This work aims to improve our geological understanding of the Gonneville discovery and enhance our internal targeting capability as we look to expand our exploration activities across our large land holding in the West Yilgarn Ni-Cu-PGE Province. 
  • Julimar State Forest Access – the majority of the ~26km long Julimar Complex is interpreted to lie within the State Forest and is yet to be explored. The permitting process to conduct low impact, non-ground disturbing exploration activities to identify potential additional mineralised areas on granted tenure within the Julimar State Forest is ongoing. The primary purpose of this first phase of activities is to effectively screen large areas with minimal impact. Exploration activities will have negligible impact on vegetation, fauna or recreational activities.

For the latest information please refer to our Investor Presentation and ASX Announcements.

For information on Chalice's activities within the local area, please refer to our Fact Sheets on the Community - Western Australia page.  


See gallery for JD013 specimen samples (239-264m) and JD002 core photos (30.4-100.3m downhole). To view the full Appendix please click on the following ASX Announcement: 


The Julimar Nickel Project was staked in early 2018 and is 100% owned.