The Croydon project is located in the Mallina Basin between Karratha and Port Hedland. The region contains De Grey Mining’s 8.5Moz Hemi discovery.
The Mallina Basin has the potential to emerge as a major gold province and CZR’s Croydon project covers approximately 40km strike of the Mallina Basin, about 50km south-east of Hemi.
During the December quarter CZR completed a ground-based gravity survey, targeting large intrusions that may host gold mineralisation similar to Hemi. Approximately 80% of the survey was completed before the end of the field season in December, and due to wet weather since, the remainder of the survey has been delayed until the June quarter.
During the March quarter, initial modelling has been completed on high priority targets, with gravity inversion modelling completed on the Top Camp prospect and Eastern Targets (Murph-Martin).
Top Camp: Gravity anomaly detected below gold mineralisation at Top Camp - priority target for intrusion related gold mineralisation.
Recent RC and diamond drilling intersected primary gold mineralisation at the Top Camp prospect, including:
Bottom Camp: 1km geochemical anomaly, similar to Top Camp, within a folded limb of Mallina sediments and complex gravity response.
Eastern Zone: Gravity anomalies identified along a NE trend, in a similar geological setting to Hemi. Currently limited surface geochemistry (due to sand cover) and no drilling.
The next phase of work will include:
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