“…Studying the formation histories of the dung deposits and their archaeological identification and significance Macphail and Goldberg (1985), Canti (1998), Canti (1999 Charles (1998), Charles et al (1998), Forbes (1998), Jones (1998), Valamoti (2013) Secondary product use -dung as building material and source of fuel Watson (1979), Kramer (1982), Miller and Smart (1984), Miller (1996), Matthews et al (1997), Anderson and Ertug-Yaras (1998), Reddy (1999), Sillar (1999), Matthews (2008) results, and there is much scepticism over analytical performance (Frahm 2013;Frahm and Doonan 2013). Inter-instrument performance of pXRF equipment has proved that between different instruments statistically identical results are not produced (Goodale et al 2012).…”