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Location: 20 km SE from Muswellbrook, New South Wales, Australia
Lemington Road, Off New England HighwayPO Box 294SingletonNew South Wales, Australia2330
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The resource coal targeted for extraction at Ravensworth Operations includes seams of the Foybrook and Burnamwood Formations, which form part of the Wittingham Coal Measures. The coal seams targeted extend from the shallow Broonie Seams, through the Bayswater, Lemington, Pikes Gully, Arties, Liddell and Barrett Seams, to the Hebden Seam. The strata dips gently (<5 degrees) to the south-east within the mine towards the Bayswater Syncline and flattens to the south-west around the Ravensworth North monocline. A thin igneous dyke runs through the pit area on a north-easterly orientation and intersects a small volcanic plug in the north of the pit area. This volcanic breccia has been well defined by drilling.Spoil material is regularly tested to determine the quality of material for rehabilitation. Recent soil testing on spoil material from Ravensworth indicates the following:- Spoil material tested was alkaline, highly saline and strongly sodic;- The effective cation exchange capacity (eCEC) is moderate, indicating good nutrient retention and holding capacity;- Certain soils are dispersible due to their sodicity and magnicity and should be managed accordingly;- Phosphorus levels are suited to P sensitive plantings, including Australian natives; and- Where required, Gypsum will be applied to assist in balancing the cations and preventing dispersion.
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