On 8-10 September 2015 the 10th International Symposium on Knappable Materials: On the Rocks will be held at the University of Barcelona (Spain). Further information is available at http://www.ub.edu/cherts-symp2015/. Papers of interest to Nestor readers will include:

M. Bogdana and B. Horejs, "Raw Material Choice Matters – Obsidian vs. Chert Lithic Technology at Neolithic Çukuriçi Höyük in Western Anatolia"

S. Tohumcu, "The Chipped Stone Industry of Aktopraklik Höyük (6000 – 5800 BC): Raw Material, Technology and Typological Features"

S. Karageorgiou, A. Kostaki, M. Vavelidis, and S. Andreou, "Raw Material Sources Of Knapped Stone Tools From The Excavation Of The Prehistoric Site At Toumba Thessaloniki, Greece"