![]() ![]() ![]() Much of Victoria has heat flow values as can be expected for typical Palaeozoic continental areas (60 – 70 mW/m 2). This new data will assist in better understanding geothermal resource potential, assist in hydrocarbon maturity modelling for oil and gas prospectivity and also shows correlation to the fundamental crustal architecture of Victoria. ![]() Over much of western and central Victoria, the close spacing of the expanded new data allows for meaningful interpolation between the data points to create a map of surface heat flow. This report presents the new heat flow estimates that significantly expand on the ten previously published geothermal heat flow estimates based on similar temperature logs and thermal conductivity measurements. Precision temperature logs from 242 bores (totalling approximately 74,000 logged metres) resulted in 175 heat flow estimates considered to be of reliable quality. During this time, extensive geothermal data was directly collected and also compiled from exploration companies and university research. To assess Victoria’s geothermal resource potential, the Geological Survey of Victoria led the Geothermal Atlas Project between 20. ![]()
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