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Experimental deformation of Bure argillites was performed by indenter techniques in order to investigate the kinetics of pressure solution processes. Various parameters included in pressure solution laws were tested: solubility of the mineral in solution (calcite), diameter of the indenter, temperature and stress. None of the observed effects confirm the contribution of pressure solution. In long...
We found extensive evidence that the vertical ground accelerations produced during the largest shock (M = 6.0) of the 1997 Umbria-Marche earthquake sequence exceeded 1g in two areas close to the heavily-damaged villages of Annifo and Colle Croce. This evidence comes from the striking observation of thousands of freshly fractured and broken rocks and stones in these areas. Some of the broken stones...
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