Long-term corrosion of copper alloys in the soil: new aspects of corrosion morphology in archaeological vessels from south-western Iran

Heritage Science

Table 3 Results of XRD analysis of corrosion layers in twenty-two samples from twenty-one copper-based vessels from Deh Dumen; XXX: major phase, XX: minor phase, X: trace phase

	Cuprite Cu₂O	Tenorite CuO	Malachite Cu₂CO₃(OH)₂	Paratacamite Cu₂(OH)₃Cl	Atacamite Cu₂(OH)₃Cl	Brochantite Cu₄SO₄(OH)₆	Copper Cu	Quartz SiO₂	Calcite CaCO₃
DD-01	XXX	XX
DD-02	XXX	X	X		XX			X
DD-03	XXX	X	XX		X		XX	X	X
DD-04	XXX	X	XX	X	X		XX
DD-05	XXX	X	XX	X	X		XX	X
DD-06	XXX	X	XX	X	X		XX	X
DD-07	XXX	X	XX	X	X		XX	X	XX
DD-08	XXX	X	XX	X	XX		XX	XX	X
DD-09	XXX	X	XX	X	X		X	X
DD-10	XXX	X	X		XX		XX	X
DD-11	XXX	X	XX	X	X		X		X
DD-12	XXX		XX		X
DD-13	XXX		XXX	X	X			X	XX
DD-14	XXX	X	XX	X	X		X		X
DD-15	XXX	X	XX				XX		X
DD-16	XXX		XX					XX	XX
DD-17	XXX		XX				X	XX
DD-18	XXX		XXX
DD-19	XXX		XXX
DD-20	XXX	X	XX	X	X	X	X	X
DD-21	XXX	X	XX					X
DD-22	XXX	X	XX	X	X