Morphological algorithms for the analysis of the microstructure and estimation of the physical properties of volcanic geological specimens are described. Various properties of materials, such as bulk viscosity, rigidity, tensile and compressive strengths, etc., depend on the microstructure of the material, which is typically composed of a mosaic of interlocking particles of different phases. The images of the geological microstructure are first separated into their constituent phases. The phase images can then be processed to estimate the percentage contribution of each phase, the total boundary per phase, phasephase contact boundaries, particle size distributions for each phase and angle of contact between particles. These morphological image measurements can then be used to characterize the physical properties of magma.
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