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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

LOCATION

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

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

The large complex is interpreted to be ~26km long and ~7km wide and considered prospective for nickel, copper and platinum group elements. However, it had never been explored for these metals.

Chalice commenced a systematic, greenfield exploration program in mid-2019 in the southern portion of the Project on private land, targeting high-grade Ni-Cu-PGEs. This included 200m-spaced Moving Loop Electromagnetic (MLEM) with selective 100m infill lines, targeted soil geochemistry over high-priority MLEM conductors, and geological mapping which failed to identify any bedrock exposures over the area of interest.

Two MLEM conductors were shown to be associated with anomalous nickel-in-soils and preferentially located along the margins of a  ~2km x 0.5km discrete magnetic anomaly interpreted as a potential feeder zone located near the southern extent of the intrusive complex – recently defined as the Gonneville Intrusive. 

The Gonneville Intrusive is modelled as a ~1.6km long x ~0.7km wide chonolith (irregular shaped intrusive body - Figure 2) - a favourable geometry for large-scale magmatic sulphide deposits globally including Jinchuan in China and Kabanga in Tanzania.

The recent discoveries by Chalice confirm Julimar is a significant nickel-palladium discovery within a new Ni-Cu-PGE province, just an hour's drive from Perth, Western Australia. 

EXPLORATION

An initial RC drill program commenced in Q1 2020 and resulted in the discovery of high-grade nickel copper-cobalt-PGE mineralisation at the Gonneville Intrusive. Drilling to date has established the Gonneville Intrusive has widespread zones of PGE mineralisation as well as several wide zones of highgrade Ni-Cu-Co-PGE. 

PGE mineralisation has been confirmed in 13 RC holes drilled to date over the ~1.6km x 0.7km Intrusive and disseminated sulphides (trace to 3% on average) have been identified up to ~450m below surface. Disseminated sulphide zones intersected to date have a grade range of 0.5-1.1g/t PGEs, <0.2% Ni, <0.15% Cu and <0.05% Co. In general, metal content appears to show a positive correlation with sulphur content.

High-grade massive or matrix sulphide zones intersected to date are up to ~30m wide and have a grade range of 3-12g/t PGEs, 0.5-3.3% Ni, 0.4-1.2% Cu and 0.03-0.18% Co.

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

All holes drilled to date have intersected mineralisation.  All mineralised zones are interpreted to have a steep westerly dip and remain wide open.

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

 

NEXT STEPS

A ~20,000m Phase 2 Reverse Circulation (RC) drill program commenced in late May 2020, to scope out the extent of the Intrusive on a 200m x 80m grid pattern and to test new high-grade targets at the southern end of the Intrusive. 

Diamond drilling and down-hole EM continues to target high-grade Ni-Cu-PGE zones. A SQUID EM survey is also in progress, aiming to provide a deeper detection capacity than the previous ground MLEM survey.

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.  

DIAMOND CORE

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

ACQUISITION TERMS

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