Aspects of secondary ion mass spectrometry (SIMS) depth profiling for obsidian hydration dating / Steven W. Novak and Christopher M. Stevenson -- Obsidian hydration chronometrics using SIMS and optical methods from 26-year temperature-controlled exposures / Wallace Ambrose and Steven W. Novak -- The SIMS-SS obsidian hydration dating method / Ioannis Liritzis and Nikolaos Laskaris -- Temperature correction for obsidian hydration dating / Alexander K. Rogers -- Obsidian dating and source exploitation studies in Africa : implications for the evolution of human behavior / Stanley H. Ambrose -- Provenance of Peruvian Wari obsidian : comparing INAA, LA-ICP-MS, and portable XRF / Patrick Ryan Williams, Laure Dussubieux, and Donna J. Nash -- New perspectives on obsidian procurement and exchange at Tiwanaku, Bolivia / Michael D. Glascock and Martin Giesso -- Volcanic glass procurement and use in the late Paleolithic, Central Primorye, Far East Russia / Trudy Doelman, Robin Torrence, Vladimir Popov, Nikolai Kluyev, and Igor Sleptsov -- Obsidian provenance at several Italian and Corsican archaeological sites using the non-destructive x-ray fluorescence method / Anna Maria De Francesco, Marco Bocci, Gino Mirocle Crisci, and Vincenzo Francaviglia -- Polynesian volcanic glass : uses, sourcing, and distribution / Marshall Weisler -- Glass vessels in Sub-saharan Africa : a compositional study of samples from Mtwapa, Kenya / Laure Dussubieux and Chapurukha M. Kusimba -- On the provenance of Roman glasses / Caroline M. Jackson -- Characterization and provenance of archaeological glass artifacts from mainland and Aegean Greece / Konstantinos G. Beltsios, Artemios Oikonomou, Nikolaos Zacharias, and Pavlos Triantafyllidis -- The provenance of ancient man-made glass : raw materials and the use of chemical and isotopic analytical techniques / Julian Henderson -- Thoughts on natural and manufactured glass studies in a 21st-century archaeology / M. Steven Shackley.