Blackstone Range / Michael Hills
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The 2008 field season commenced at the beginning of March which coincided with the end of the traditional business period on the Ngaanyatjarra Lands.
The following work was undertaken in March:
• Preparatory works (including grid pegging and most track clearing of target areas) were completed for the April RAB drilling programme on the Blackstone Range project.
• Rock chip sampling was conducted across the Halley’s mineralised trend and submitted for petrology work to obtain a better understanding of the genesis of the outcrop of interpreted mafic intrusions in the area.
• Soil sampling programmes were conducted within the Murray Range project, and there was further investigation of an EM anomaly
Halleys and Halleys NW Prospects
The results of lithogeochemical ratio work were received, which together with analysis of ground magnetics completed in the previous Quarter, identified a distinct fertile intrusion which is highly prospective for PGE mineralisation. The intrusion has a copper/palladium ratio of approximately 7,000, which is potentially very favourable for the occurrence of PGE mineralisation.
The RAB drilling programme for Halleys, Halleys NW and other targets along the Halleys mineralised trend was finalised after analysis of recent soil sampling results together with the abovementioned lithogeochemical ratio results and detailed ground magnetic data received in the previous Quarter.
Interpretation of ground magnetic data indicates that numerous intrusions are present along the Halleys mineralised trend. Rock samples were collected along the Halleys mineralised trend and have been submitted for petrological analysis to test the interpretation of the ground magnetic data.
Helena Prospect
The RAB drilling programme for the Helena prospect was finalised after analysis of the results of the detailed ground-magnetic survey which was conducted during the last Quarter. Ground magnetics were used to better define geological structures in the area where soil sampling is not very effective due to calcrete cover.
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