Electron microprobe geochemical data for glass from the Khonkho tephra
These data are presented to geochemically characterize glass from  the informally named Khonkho tephra, an ashfall deposit that crops out at the Khonkho Wankane archaeological site in Jesus de Machaca, Bolivia.  The Khonkho tephra appears to have been emplaced by a major explosive eruption from a currently unknown …