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JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH, vol.112, pp.83-103, 2001 (SCI-Expanded)
Natural fracture patterns of producing geothermal formations in south-western Turkey are mapped at different scales. The fractal dimensions of different fracture network properties, such as spatial distribution, density, connectivity, orientation, and length are measured by different methods. Analysis of the natural fracture patterns from giga to microscales identifies the descending behavior of box-counting fractal dimension with respect to the scale. It is observed that the fracture networks represent scale-invariant properties, but fractal dimensions might notably differ when the mass dimension is measured applying different methods. Anisotropic nature of fracture networks is also included in the fractal analysis. (C) 2001 Elsevier Science B.V. All rights reserved.