Economic coal in this context is defined as less than 10% ash, greater than 3 m thick, greater than 1:2 coal: waste ratio, less than 300 m depth. In addition to these massive operations, 53 000 million tonnes of economic coal is unallocated at this time. Most of the States electricity is generated utilising coal from the Loy Yang, Hazelwood and Yallourn mines. The model calculated a resource of 129 000 million tonnes of coal. The coal seams in the model area are phenomenal for their size and quality. It will be used extensively in assessments of coal utilisation, land use, ground water and subsidence. It allows fast and versatile assessments of this resource and captures 90 years of knowledge that was accessible only as paper records. The digital three-dimensional model shows the distribution and quality of the brown coal in a 1100 sq km area between Moe and Rosedale - including the State's vital electricity generating resource. Product description: The SURPAC package maps coal distribution and quality.Ī new three-dimensional picture of the vast brown coal resources in the Latrobe Valley was launched in May 2003.
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