Pumice as a Time Witness Technische Universität WienJune 23,2008 Three different pumice samples A chemist of Vienna University of Technology demonstrates how chemical fingerprints of volcanic eruptions and numerous pumice lump finds from archaeological excavations illustrate relations between individual advanced civilisations in the Eastern Mediterranean. Thanks to his tests and to the provenancing of the respective pumice samples to partially far-reaching volcanic eruptions, it became possible to redefine a piece of cultural history from the second millenium B.C. Vienna (TU). During the Bronze Age, between the years 3000 and 1000 B.C., the Mediterranean was already intensely populated. Each individual culture,...