The Hamersley Project is centrally located in the Hamersley Iron Province. The Project is located 50 km west of Tom Price and 22 km south of Mount Brockman in the West Pilbarra Iron Ore Region. Two granted exploration leases, E47/1868 and E47/1869 covering an area of 52.3 km2 flank the Beasley River channel iron deposit. Access to the tenements is via the sealed Nanutarra-Paraburdoo-Tom Price road and then numerous station tracks to the licence areas. (Figure 1).
Figure 1: E47/1868 and 1869 Location Map
The Project area is highly prospective for iron ore mineralization due to the occurence of the major Beasley River goethite-hematite channel iron deposit (CID) which bi-sects the two tenements. Estimated resources of the Beasley River CID are 400Mt at 56.6% Fe. The Beasley River CID is composed dominantly of massive and in part bedded goethite-hematite with beds of fine hematite-goethite gravels. The iron deposit occurs as a meandering palaeosurface. Legacy's Hamersley project area is covered by extensive Quaternary colluvium of red and brown soils. Potential channel iron deposits may occur as tributaries into the significant Beasley River channel iron deposit which abuts the project area (Figure 2) and may be present under shallow soil cover.
Figure 2: Geological map showing location of Legacy tenements. The Beasley River channel iron deposit (Tp) abuts the two tenements.
Exploration conducted by Legacy to date on the Hamersley Project includes a review of Quickbird satellite imagery and process ratio LandSat data covering the entire project area of 52.3 km2 and acquisition of aero-magnetic and radiometric geophysical surveys. Studies of the satellite imagery have defined ten iron rich targets on the tenement, some under shallow colluvial cover. These targets (highlighted in blue - Figure 3) are proximal to Beasley River channel iron deposit and have potential as iron rich tributaries. Legacy is planning on conducting detailed mapping and rock chip sampling as the inital phases of exploration over the two mineral tenements.
Figure 3: Quickbird Pan sharpened 321 satellite imagery with iron ore exploration targets (blue). The Beasley River channel iron deposit is the prominent diagonal feature between the two tenements.
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Web page updated on 22 June 2009.