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Hydrotalcite and Hydrocalumite in Mortar Binders from the Medieval Castle of Portilla (Álava, North Spain): Accurate Mineralogical Control to Achieve More Reliable Chronological Ages

Ponce Antón, Graciela; Ortega Cuesta, Luis Ángel; Zuluaga Ibargallartu, María Cruz; Alonso Olazabal, Ainhoa; Solaun Bustinza, José Luis (MDPI, 2018-08)

Mortars from different stratigraphic units at Portilla Castle (Alava, North Spain) have been analyzed for mineralogical characterization before radiocarbon dating. The mortar binder at Portilla Castle is composed not only ...

A Middle Palaeolithic wooden digging stick from Aranbaltza III, Spain

Ríos Garaizar, Joseba; López Bulto, Oriol; Iriarte Avilés, Eneko; Pérez Garrido, Carlos; Piqué, Raquel; Aramburu Artano, Arantza; Iriarte Chiapusso, María José; Ortega Cordellat, Illuminada; Bourguignon, Laurence; Garate, Diego; Líbano, Iñaki (Public Library of Science, 2018-03-28)

Aranbaltza is an archaeological complex formed by at least three open-air sites. Between 2014 and 2015 a test excavation carried out in Aranbaltza I I I revealed the presence of a sand and clay sedimentary sequence formed ...