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  • Enterprise Metals Defines Three Nickel Sulphide Targets At Fraser Range 0 comments
    Jun 21, 2013 3:10 AM

    Enterprise Metals (ASX: ENT) has defined three priority nickel sulphide targets within its wholly owned Fraser Range Exploration License 63/1281 in Western Australia.

    In summary, nickel soil anomalies that were located in E63/1281, 20-40 kilometres south of Sirius Resources' (ASX:SIR) Nova nickel discovery are now supported by bedrock EM conductors.

    This HeliTEM data has been integrated with the regional and infill soil geochemical data, and three high priority targets for follow up, Highway, Heart and Plato, have been selected on the basis of geochemistry and more conductive basement.

    Final HeliTEM data is pending over Exploration Licences 63/1282 and 1283.

    Fraser Range soil results

    In 2012, the company completed regional 800 metre x 400 metre grid based multi-element soil sampling over the four tenements of the project area, which defined a number of nickel/copper anomalous areas.

    In late 2012 it commenced a 200 metre x 100 metre grid based multi-element soil sampling over these anomalous areas and this infill sampling continued in early 2013, and results from this work in E63/1281 are now available.

    Helitem survey in more depth

    In March 2013, Enterprise completed a helicopter borne electromagnetic survey (HeliTEM) designed to cover the areas of anomalous nickel/copper soil geochemistry.

    The final processed HeliTEM data has revealed a number of late-time electromagnetic responses coincident with nickel soil anomalies.

    Late-time EM responses in airborne EM data are typically reflective of bedrock conductors rather than near surface influences.

    Plato nickel target

    The HeliTEM over Plato displays a more conductive basement lithology (Figure 3) associated with the anomalous nickel geochemistry in soils.

    The infill soil sampling program defined a coherent area of Ni-Cu-Co anomalism, with individual maximum values of up to 252ppm Ni, 46ppm Cu and 32ppm Co.

    Heart nickel target

    The HeliTEM over the Heart anomaly also displays a more conductive basement, which appears to be structurally and/or ithologically controlled.

    A total of 583 infill soil samples were taken from the Heart anomaly area. Line spacing of the sampling program was 200m apart north/south, with samples taken every 100m east/west.

    The infill soil sampling program at Heart has defined a coherent "heart shaped" area of Ni anomalism with associated Cu-Co. anomalism, with individual maximum values of up to 141ppm Ni, 48ppm Cu and 43ppm Co.

    Highway nickel target

    At the Highway anomaly, just north of the Eyre Highway within tenement E63/1281, the HeliTEM image displays a more conductive basement lithology spatially consistent with the nickel soil geochemical target.

    A total of 418 infill soil samples were taken at Highway. Line spacing of the sampling program was 200m apart north/south, with samples taken every 100m east/west. The infill soil sampling program has defined a coherent area of Ni anomalism. The 4 acid digest analysis yielded individual maximum values of up to 114ppm Ni, 56ppm Cu and 27ppm Co.

    The Highway target is anomalously high in arsenic (As) with values up to 212ppm. The As anomaly is coherent and coincides with anomalous Bi, Mo, Ni, Pb and Sb and is centred over a large magnetic low. On the periphery of the magnetic low, other anomalous elements include Cd, Co, Cu, Mn, Sc, Sn, Ti and W.

    Other regional geochemical targets

    Within E63/1282, follow-up infill soil sampling has also been completed over the McPherson's anomaly, and final geochemical results and heli-borne EM data are awaited.

    The McPherson's anomaly lies SW along strike from the West Nova ground EM anomaly recently announced by Sirius Resources.

    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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