Researchers analysed the copper from Ötzi the Iceman’s axe, identifying its place of origin in central Italy. It seems the object made a long way from its place of mining to the place in Northern Italy, where the Bronze Age frozen body was found.
Rectangular copper mask, believed to be 3000 years old, that was found in Argentina is among the oldest metal man-made artefacts from South America.
Underwater archaeologists have recovered 47 lumps of orichalcum – an alloy primarily consisting of copper, zinc and small percentages of nickel, lead, iron. The cargo was recovered off the coast of Gela in southern Sicily.
Chemical analysis a nail found in a remote grave of a member of the ill-fated expedition of Sir John Franklin, John Hartnell, found on Beechey Island, revealed zinc deficiency in the body of the deceased.
Researchers discovered evidence for industrial pollution in Jordan that originated 7000 years ago due to early stages of developing metallurgy in the period of transition from Late Neolithic to Chalcolithic.
Buffalo Trace Distillery unearthed remnants of the O.F.C. Distillery dating to 1873 while renovating a building in Frankfort, Kentucky, USA. The discovery was made as the long used storage building was prepared for renovation.
Chilean researchers documented over 150 rock art paintings in the Coquimbo Region, South of Atacama Desert in northern Chile. Specialised digital analysis software was used to detect colours and patterns unobservable in normal conditions by human eye.
Excavations at the the Copper Age settlement near the village Pazardzhik, southern Bulgaria, dated back to the circa 4500-4600 BC revealed a golden bead.