In particular, the recent Mise a la Masse (MALM) and downhole magnetometric resistivity (DHMMR) surveys at the
Comments from Managing Director
Background and Company Strategy
Ardea's key focus continues to be the
As such, the nickel sulphide exploration strategy complements Ardea's nickel laterite development plans.
This represents one of the better nickel sulphide intercepts historically at
Mise a la Masse and Downhole Magnetometric Resistivity Geophysical Surveys
DHEM surveys on AELD0002 generated a strong off-hole response directly south and below the nickel sulphide intercept, however, it was unclear from the DHEM the up-dip extent of the sulphide horizon. Ardea's geophysical consultants, therefore, designed a Mise a la Masse (MALM) and downhole magnetometric resistivity (DHMMR) survey to better define the conductive horizon. The survey was undertaken in mid-June and results recently processed and interpreted. The MALM survey measured the surface potential generated from a downhole electrode over an area of 400m x 300m and produced a broad 550mV anomaly above and slightly south-west of the known nickel sulphide mineralisation.
The data are interpreted to indicate the sulphide body is steeply dipping to the east with a relatively short strike length (approximately 80m) and potentially comes to within 150m of surface. The strike of the body is northwest to southeast and is interpreted to extend to the southeast beyond AELD0001. The DHMMR data supported the MALM interpretation with currents flowing in a NW-SE direction along at least four different pathways creating a more complex situation to model reliably. However, the source has been interpreted as a north plunging and steeply dipping sulphide lens with a rectangular shape consistent with a lava channel morphology as distinct from a more extensive interflow sediment.
MLEM Surveys
Two anomalies associated with recent surface moving loop electromagnetic (MLEM) surveys are being followed up on the Eastern Ultramafic unit at Kalpini. These anomalies have been geophysically modelled as relatively short strike length conductive plates directly west of the nickel laterite drilling where little surface data exists.
The southern anomaly is associated with a strong copper anomaly in the nickel laterite drilling in this area with results up to 0.13% copper over 2m in two drillholes, 80m apart along strike. Surface geochemical soil programs have been completed over both areas with results pending. Surface reconnaissance indicates the anomalies are directly west or just on the contact with the ultramafic units and are not necessarily related to Kambalda style nickel sulphide occurrences. Follow-up exploration will continue.
Exploration Strategy
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Advanced-stage exploration at compelling nickel sulphide, Critical Minerals, and gold targets within the KNP Eastern Goldfields world-class nickel-gold province, with all exploration targets complementing the KNP nickel development strategy.
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