The first phase of exploration at the Crown nickel-copper-platinum group elements (PGE)-gold project in Western Australia’s Julimar district is well underway for owner Oar Resources (ASX: OAR).
The company is using a reconnaissance-focused approach to improve its understanding of the local geology within the project area.
Work includes geological mapping and rock chip sampling to test and validate an earlier interpretation of magnetic data which highlighted at least 20 separate priority target areas.
Preliminary assessment of rock chip sampling to date has identified rock types including granite, granitic-gneiss, meta sediments and pyroxenite lithologies.
The first round of samples has been sent to Oar’s laboratory for detailed geochemical and whole rock analysis to determine major elements such as gold, platinum-group elements (PGE), nickel and copper.
The lab work will also include petrography on a selection of hand specimens to provide detailed rock descriptions including information relating to mineral identification and the textural and structural relationships within the rock network.
Oar said the new data will be used to confirm infield observations and provide a “critical understanding” of the origin and geological setting of mapped lithologies.
A second round of geological mapping and rock chip sampling has been planned to further develop and define Oar’s geological model of the Crown project.
It will be followed up by geochemical soil sampling to define and refine targets ahead of a proposed maiden drilling program.
Julimar Complex location
The Crown project is located approximately 8km west of the Julimar Complex, where Chalice Mining (ASX: CHN) made the Gonneville PGE-nickel-copper-cobalt-gold discovery last year which is hosted in layered mafic-ultramafic rocks.
Crown contains numerous magnetic features interpreted to represent mafic volcanic rocks considered highly-prospective for mineralisation similar to Gonneville.
It is a greenfields project which has been largely unexplored, and remains a core focus of Oar’s exploration efforts.