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  • AAQ Holdings Identifies Electromagnetic Targets Associated With Fraser Zone At Plumridge  0 comments
    Jan 29, 2013 6:55 PM

    AAQ Holdings (ASX: AAQ) has identified several electromagnetic target responses associated with the highly prospective Fraser Zone at its Plumridge Project.

    Preliminary data indicates at least 23 targets have been identified, including nine associated with magnetic highs in the Fraser Zone.

    A significant number of these EM targets are associated with more magnetic features interpreted to be caused by mafic/ultramafic lithologies, analogous to those hosting the Nova mineralisation further southwest along the Fraser Zone.

    The discovery was made through the acquisition of 874 line kilometres (75%) of the planned 1,170 line kilometre VTEM MAX electromagnetic survey, operated by Geotech Airborne, at the Plumridge Project.

    The Plumridge Project covers Fraser Zone rocks that have been recently highlighted as prospective for hosting intrusive nickel-copper (±cobalt ±platinoid) mineralisation by the discovery of the Nova deposit.

    The Fraser Zone is a complex zone of sheared and highly metamorphosed mafic and ultramafic rocks.

    Recent aircore drilling by International Goldfields - the vendor of the Plumridge project - in the north-eastern part of the Plumridge project encountered rocks interpreted to be ultramafic in character, underpinning the prospectivity of Fraser Zone rocks highlighted by the aeromagnetic interpretation of this area.

    The VTEM survey was commissioned to explore the Fraser Zone rocks for anomalous EM responses that may be caused by accumulations of conductive massive sulphide similar to Nova.

    Conductive graphite in metasediments of the Biranup Zone is a secondary target of the survey.

    The VTEM survey is being flown with a line spacing of 300 metres to evaluate a large area of the Fraser Zone mafic/ultramafic rocks situated in the southeastern portion of the Plumridge Project.

    A belt of mafic/ultramafic intrusions in the northwest of the Plumridge Project area is also being surveyed.

    A number of major faults are also present within the survey area, which potentially represent pathways for mineralising fluids.

    Completion of the survey has been delayed by adverse weather conditions and equipment downtime - issues which have now been resolved.

    Next steps

    A final interpretation will be carried out on the VTEM data at the completion of the survey and upon delivery of the final data, which is expected in March 2013.

    The highest priority anomalous VTEM responses identified will be modelled for size and depth extents.

    They will then be directly drilled or followed up with ground EM surveys to refine the EM anomalies and generate accurate conductor models that can be targeted with reverse circulation percussion and/or diamond core drilling.

    Albany-Fraser Orogen

    The Plumridge Project is located about 280 kilometres east-northeast of Kalgoorlie and is located within the Proterozoic Albany-Fraser Orogen on the eastern edge of the Yilgarn Craton.

    The southeastern portion of the project overlies mafic/ultramafic granulites of the Fraser Zone.

    The northwestern tenements of the project cover high grade metasediments and granitoids of the Eastern Biranup Zone, potentially including reworked Archaean material.

    Proactive Investors Australia is the market leader in producing news, articles and research reports on ASX "Small and Mid-cap" stocks with distribution in Australia, UK, North America and Hong Kong / China.

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