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The document summarizes an experimental study on the welding of rhyolitic ash from the Rattlesnake Tuff. Experiments were conducted at atmospheric pressure from 600-1200°C and at 5 MPa and 600°C while varying run time and water content. The 5 MPa experiments most closely matched textures in natural welded samples. Both compaction and viscous deformation contributed to densification and welding. A few tenths of a percent of water promoted welding by lowering glass viscosity, while more water inhibited weldin

Author

NonataMarques

Language

EN