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Location: 30 km SE from Moranbah, Queensland, Australia
Level 28, 259 George StSydneyNew South Wales, Australia2000
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Winchester South is located in Queensland near the township of Moranbah in the Central part of the Bowen Basin which contains numerous important coal producing intervals in the Permian stratigraphy. The sequences of economic interest for open cut mining include the Leichhardt seams and the Vermont Upper seam of the late Permian Rangal Coal Measures as well as the and Vermont Middle Lower seam of the Fort Cooper Coal Measure. The Goonyella Middle seams of the Moranbah Coal Measures are potential targets for underground mining. The main host-rock types of these sub-groups are sandstone, siltstone with minor stratigraphic layers of conglomerate, and tuffaceous bands.Structurally the deposit is dominated by the north-south Winchester Syncline which has been itself affected by reverse and normal faulting.The open cut portion (Rangal and Fort Cooper seams) of the deposit is located within the subcrops along the syncline margin.DimensionsThe Rangal and Fort Cooper seams resources trends ~15 km northwest-southeast following the Winchester South syncline and is ~6km wide at its maximum. The seams’ depth below topography is generally less than 150 m.The Moranbah Coal Measures resource in the south-west of the project area trends northwest southeast for ~10 km with a width of ~3 km and a depth from ~400 m to ~650 m below the topographic surface for the Moranbah Coal Measures seams.