radiocarbon dating mortar

In an optimal situation, remains of ancient buildings, whether as isolated ruins or incorporated in later structures, can be dated from samples of no more than a few grams of mortar. An additional source of contamination may be introduced when the builder decides to make mortar rather than plain lime. However, two archaeological samples sampled from an altar in a cave showed a14C higher than pMC, suggesting that these mortars were still active, leading to conclusion that mortars from caves, due to specific conditions during mortar hardening, are not representative for radiocarbon dating. Privacy policy. Privacy Copyright. This approach is based on the significance of a complete characterization of the studied samples and the research focused on two complex architectural case studies: the churches of Santa Maria Maggiore Lomello, Pavia and Santa Maria Torba, Varese. This phenomenon provides a built-in clock for dating most human foods and many raw materials for tools, weapons, ornaments and buildings.

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